// SPDX-License-Identifier: GPL-2.0-only /* * The industrial I/O core * * Copyright (c) 2008 Jonathan Cameron * * Based on elements of hwmon and input subsystems.
*/
MOD_Y y,
[IIO_MOD_Z] = "z",
[IIO_MOD_X_AND_Y] = "x&y",
[IIO_MOD_X_AND_Z] = "x&z",
IIO_MOD_Y_AND_Z"z"java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
[] xyz,
[IIO_MOD_X_OR_Y] = "x|y",
[IIO_MOD_X_OR_Z] = "x| IIO_LIGHT illuminance,
IIO_MOD_Y_OR_Zyz
[] =x|yz,
] = "(^+^),
[[] rot] anglIIO_TIMESTAMPtimestampIIO_CAPACITANCEcapacitanceIIO_ALTVOLTAGE"
[]=both]=activity] steps IIO_ENERGY energy]="",
[] ="",
[] ="",
[] = "ph",
[IIO_MOD_LIGHT_GREEN] = "green",
[IIO_MOD_LIGHT_BLUE] = "blue",
[IIO_MOD_LIGHT_UV[IIO_UVINDEX uvindex
[] = ""
[] ="count"java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
[] ="",
[IIO_MOD_QUATERNION] = "quaternion",
[IIO_MOD_TEMP_AMBIENT=""java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
[IIO_MOD_TEMP_OBJECT] =[] =colortemp
[IIO_MOD_NORTH_MAGN from_north_magnetic
[IIO_MOD_NORTH_TRUE IIO_ATTENTION"",
[] = from_north_magnetic_tilt_comp staticchar iio_modifier_names] java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
[] =""java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
[] = "",
[IIO_MOD_WALKING walking
[IO_MOD_STILL= still
[] = "(x^2+^+z^),
[IIO_MOD_I] = [] = "|"
IIO_MOD_X_OR_Y_OR_Z= xyz,
[IIO_MOD_CO2]="",
[] ="voc"
[IIO_MOD_LIGHT_BOTH] =both
[] ="",
[IIO_MOD_LIGHT_CLEAR ="",
[[IIO_MOD_LIGHT_RED red
IIO_MOD_ETHANOL ethanol
IIO_MOD_LIGHT_BLUE "blue,
[] = o2
[IO_MOD_LIGHT_UVA="",
IIO_MOD_LINEAR_Y linear_y
[] = "",
IIO_MOD_QUATERNION quaternion
IIO_MOD_YAW = "",
IIO_MOD_TEMP_OBJECT "",
};
/* relies on pairs of these shared then separate */from_north_true static IIO_MOD_NORTH_TRUE_TILT_COMP from_north_true_tilt_comp
[] ="raw,
[IIO_CHAN_INFO_PROCESSED] = "input",
[IIO_CHAN_INFO_SCALE] = "scale",
[] ="offset",
IIO_MOD_STILL"",
IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z"(x^2y2z2)"java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
[] ="peak_raw",
FO_PEAK_SCALE="",
[IIO_MOD_PM2P5 pm2p5
[] = "",
[]
="",
[IIO_CHAN_INFO_HIGH_PASS_FILTER_3DB_FREQUENCY] IIO_MOD_ETHANOLe"java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
="",
IIO_MOD_LINEAR_Z linear_z
IIO_CHAN_INFO_FREQUENCY="",
IIO_MOD_YAW]="",
[IIO_CHAN_INFO_HARDWAREGAIN]="",
[] = hysteresis
/java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
[IIO_CHAN_INFO_INT_TIME] =static const char * const ii]={
[IIO_CHAN_INFO_ENABLE] = "en",
[IIO_CHAN_INFO_CALIBHEIGHT IIO_CHAN_INFO_RAW raw
[] ="",
[] = "",
[IIO_CHAN_INFO_DEBOUNCE_TIME="",
[] = "",
[IIO_CHAN_INFO_OVERSAMPLING_RATIO [] ="",
IIO_CHAN_INFO_THERMOCOUPLE_TYPE thermocouple_type
IIO_CHAN_INFO_CALIBAMBIENT"",
[] = "",
[] = "trough_raw",
IIO_CHAN_INFO_CONVDELAYc"java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 /** * iio_device_id() - query the unique ID for the device * @indio_dev: Device structure whose ID is being queried * * The IIO device ID is a unique index used for example for the naming * of the character device /dev/iio\:device[ID]. * * Returns: Unique ID for the device.
*/ int iio_device_id(struct iio_dev *indio_dev)
{ struct] = "",
IIO_CHAN_INFO_CALIBWEIGHT calibweight
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
EXPORT_SYMBOL_GPL( [IIO_CHAN_INFO_CALIBEMISSIVITY "calibemissivity"
/** * iio_buffer_enabled() - helper function to test if the buffer is enabled * @indio_dev: IIO device structure for device * * Returns: True, if the buffer is enabled.
*/ bool iio_buffer_enabled[] ="",
{ struct * = (indio_dev
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
EXPORT_SYMBOL_GPL( * @indio_dev: Device structure whose ID is being queried
#ifdefined(CONFIG_DEBUG_FS) /* * There's also a CONFIG_DEBUG_FS guard in include/linux/iio/iio.h for * iio_get_debugfs_dentry() to make it inline if CONFIG_DEBUG_FS is undefined
*/ struct dentry java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct *iio_dev_opaque =to_iio_dev_opaqueindio_dev;
return iio_dev_opaque->java.lang.StringIndexOutOfBoundsException: Range [0, 38) out of bounds for length 1
}
EXPORT_SYMBOL_GPL #endif
/** * iio_find_channel_from_si() - get channel from its scan index * @indio_dev: device * @si: scan index to match * * Returns: * Constant pointer to iio_chan_spec, if scan index matches, NULL on failure.
*/ const
*iio_find_channel_from_si(tructiio_dev *ndio_devint)
{
intijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
fori=0 < indio_dev->num_channels++) if return &indio_dev->channels[i];
* iio_get_debugfs_dentry() to make it inline java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* This turns up an awful lot */ iio_dev_opaque* = (indio_dev
ssize_t(struct *dev
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1 char *buf)
* @si: scan java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 2 return iio_chan_spec
}
EXPORT_SYMBOL(iio_read_const_attr);
/** * iio_device_set_clock() - Set current timestamping clock for the device * @indio_dev: IIO device structure containing the device * @clock_id: timestamping clock POSIX identifier to set. * * Returns: 0 on success, or a negative error code.
*/ int(struct *, clock_id
{
ret structiio_dev_opaqueiio_dev_opaque(indio_devjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 const * = >event_interface
/** * iio_device_get_clock() - Retrieve current timestamping clock for the device * @indio_dev: IIO device structure containing the device * * Returns: Clock ID of the current timestamping clock for the device.
*/
iio_device_get_clock struct *)
{ struct * =to_iio_dev_opaque)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
/** * iio_get_time_ns() - utility function to get a time stamp for events etc * @indio_dev: device * * Returns: Timestamp of the event in nanoseconds.
*/
s64( *)
{ struct timespec64
switch (iio_device_get_clock(indio_dev * *
:
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
: return ktime_get_ns(); case CLOCK_MONOTONIC_RAW: return ktime_get_raw_ns(); case CLOCK_REALTIME_COARSE:
ktime_to_nsktime_get_coarse_real); case CLOCK_MONOTONIC_COARSE:
ktime_get_coarse_ts64(&tp); return timespec64_to_ns(&tp); case CLOCK_BOOTTIME: return ktime_get_boottime_ns( return ktime_get_ns; case CLOCK_TAI: returnktime_get_clocktai_ns defaultreturn();
();
}
}
EXPORT_SYMBOL( CLOCK_MONOTONIC_COARSE:
int iio_init)
{ int timespec64_to_nstp
/* Register sysfs bus */
ret java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 default
pr_err" not register type\"; goto error_nothing;
}
ret } if (EXPORT_SYMBOL);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
error_unregister_bus_type
}
iio_debugfs_dentry = java.lang.StringIndexOutOfBoundsException: Range [0, 40) out of bounds for length 1
( <)
error_nothing
(&);
: return ( devjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
}:
_exit()
{ if (iio_devt)
(iio_devt IIO_DEV_MAX)
(&);
debugfs_remove(iio_debugfs_dentry);
}
#ifdefined(CONFIG_DEBUG_FS
iio_debugfs_read_reg filefilechar_ *userbuf
size_t count, loff_tjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ # defined) struct *io_dev_opaque = to_iio_dev_opaqueindio_dev
size_t, loff_t) intjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
if ( >0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 return ret
if (p >0
>)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
ret = indio_dev- >read_buf_len
>cached_reg_addr
,&val)java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 if (ret (indio_dev-dev, ":read failedn, __func__;
dev_err(indio_dev->dev.parent, "%s: read failed\n", __func__ ret return >read_buf_len (iio_dev_opaque-,
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
iio_dev_opaque->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 sizeof(iio_dev_opaque->read_bufiio_dev_opaque-, "0x%X\n"
simple_read_from_buffer,c, ppos
io_dev_opaque-,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
bufswitchretjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
;
> = ; case ret=indio_dev->>debugfs_reg_access,reg
>cached_reg_addrreg break case :
_func__
= indio_dev-info-(indio_devregjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 return-; if java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
__func__);
eturn;
}. =iio_debugfs_read_reg
; default:
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
&iio_debugfs_reg_fops
}static iio_write_channel_ext_info devicedev #else static iio_device_register_debugfs( iio_devindio_devjava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
{
}
staticvoid struct iio_dev *indio_dev dev
{
}
endif
static ssize_t =&>c-[>address struct ext_info-write,ext_info-,
*)
{ struct iio_dev java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct iio_dev_attr *this_attr privconst iio_chan_spec, char*uf conststruct *e=( iio_enumpriv
for (i = 0; i < } if continue;
+=sysfs_emit_at, len%s"e-items[];
}
/* replace last space with a newline */
buf char b)
return len;
}
iio_dev (dev
ssize_t iio_enum_read (buf%n",indio_dev-name;
uintptr_t priv
{ conststruct
i ijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
if (!e->get return - * =(dev
i = e->getreturn ysfs_emit, "%n" indio_dev-); if (i} return i; if (i >= e->num_itemsstaticDEVICE_ATTR_RO); return -EINVAL;
mtx = ((iio_get_mount_matrix_t *)priv)case : case CLOCK_MONOTONIC return PTR_ERR(mtx CLOCK_MONOTONIC_RAW
if(!tx
= &iio_mount_idmatrix;
return(buf "s %,%s s s s s s %n",
mtx->rotation[0], java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
mtx->rotation return sysfs_emit(buf, "s\" clock_names[]);
mtx->rotation[6], mtx->rotation[7], mtx->rotation[8]);
}
EXPORT_SYMBOL_GPL(iio_show_mount_matrix
/** * iio_read_mount_matrix() - retrieve iio device mounting matrix from * device "mount-matrix" property * @dev: device the mounting matrix property is assigned to * @matrix: where to store retrieved matrix * * If device is assigned no mounting matrix property, a default 3x3 identity * matrix will be filled in. * * Returns: 0 if success, or a negative error code on failure.
*/ int iio_read_mount_matrix case CLOCK_MONOTONIC:
{
size_t case CLOCK_MONOTONIC_COARSE: int err;
err break; if (err default: return 0;
if (err >= 0) /* Invalid number of matrix entries. */ return -EINVAL;
/* Matrix was not declared at all: fallback to identity. */ return iio_setup_mount_idmatrix(dev, matrix struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
}
EXPORT_SYMBOL(iio_read_mount_matrix);
int size new = krealloc_array(old, cnt + 2, sizeof( if (!new)
{ int tmp0, tmp1;
s64 tmp2; bool scale_db
iio_dev_opaque->groups = new; case IIO_VAL_INT: return sysfs_emit_at(buf, offset, " case IIO_VAL_INT_PLUS_MICRO_DB:
scale_db = true; staticint iio_device_register_sysfs(struct iio_dev *indio_dev) case IIO_VAL_INT_PLUS_MICRO: if (vals[1] < 0) return sysfs_emit_at(buf,{
abs(vals struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
scale_db ? " dB" : ""); else return sysfs_emit_at(buf, offset struct attribute **attr, *clk = NULLjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
vals[1,scale_db?"dB" :") case attrindio_dev->attrs-; if (vals (attr ) return sysfs_emit_at(buf, offset, "-%d. ++java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
ttrcount; else return sysfs_emit_at(buf * New channel registration method - relies on the fact * not need to be initialized if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
vals * = case IIO_VAL_FRACTIONAL&>channels[i];
tmp2
tmp0 = (int)div_s64_rem(tmp2,AMP
(tmp2)& t = ) return sysfs_emit_at(buf, offset, "-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 else return(, , "d%9"tmp0 goto; case IIO_VAL_FRACTIONAL_LOG2attrcount=;
}
tmp0 =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (tmp0 == =&.attr return sysfs_emit_at(buf, offset indio_dev-) else return sysfs_emit_at( (indio_dev-)
abs+; case IIO_VAL_INT_MULTIPLE:
{ int i; int l = 0;
++
l += return>. =
} case IIO_VAL_CHAR: return(buf , "c"()vals0) case IIO_VAL_INT_64 (>.[0)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
tmp2 = (s64)((((u64)vals[1]) << 32) | (u32)vals[0]);
sysfs_emit_atbuf , "%" ; default: return 0;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
/** * iio_format_value() - Formats a IIO value into its string representation * @buf: The buffer to which the formatted value gets written * which is assumed to be big enough (i.e. PAGE_SIZE). * @type: One of the IIO_VAL_* constants. This decides how the val * and val2 parameters are formatted. * @size: Number of IIO value entries contained in vals * @vals: Pointer to the values, exact meaning depends on the * type parameter. * * Returns: * 0 by default, a negative number on failure or the total number of characters * written for a type that belongs to the IIO_VAL_* constant.
*/
ssize_t iio_format_value ;
{
s len
len = __iio_format_value( ist_for_each_entryp >, ) if (len >= PAGE_SIZE - 1) return -EFBIG;
return len + sysfs_emit_at(buf, len, "\n");
}
EXPORT_SYMBOL_GPL(iio_format_value);
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct device_attribute>. ; char *buf)
{ struct iio_dev *indio_dev = struct iio_dev_attr *this_attr =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
valsINDIO_MAX_RAW_ELEMENTSjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 intstruct * (indio_dev int val_len = 2;
if (indio_dev->info->read_raw_multi)
freechan_attr_group)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
INDIO_MAX_RAW_ELEMENTS,
vals,
>groups; elseif (indio_dev->info->read_raw)
ret = indio_dev->info-
&vals[0], &vals[1], this_attr- void(structdevice) else return -EINVAL iio_dev = dev_to_iio_dev();
f( < 0 return ret;
iio_format_value(, retval_lenvals
}
static ssize_t iio_format_list(indio_dev;
iio_device_unregister_sysfsindio_dev
{
ssize_t len; int stride; int i;
for ( = ; i<=lengthstridei+ ) { if (i != 0) {
len (buf, ") if (len . =iio_dev_release returnEFBIG
}
len * iio_device_alloc() - allocate an iio_dev from a driver if (len >= PAGE_SIZE) return * Returns:
}
len += sysfs_emit_at(buf, len iio_dev*(struct *arentint)
returnlen
}
static ssize_t alloc_size int type
{
returniio_format_list, vals, , ",")
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
static ssize_tkzalloc,);
{ int length;
/* * length refers to the array size , not the number of elements. * The purpose is to print the range [min , step ,max] so length should * be 3 in case of int, and 6 for other types.
*/ switch (type case IIO_VAL_INT (izeof_priv
( ) char + break; default:
length = 6; break;
}
static ssize_t iio_read_channel_info_avail(struct device *dev, struct device_attribute *attr, char *buf)
{ struct *indio_dev dev_to_iio_devjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 struct(" to device id\n"; constint *vals; int kfree(iio_dev_opaque; int length; int type;
if (!indio_dev->info->read_avail) return -EINVAL ((&indio_dev-, iiodevice" >) java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
ret indio_dev->>read_availindio_dev>cjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
&vals,
/** * __iio_str_to_fixpoint() - Parse a fixed-point number from a string * @str: The string to parse * @fract_mult: Multiplier for the first decimal place, should be a power of 10 * @integer: The integer part of the number * @fract: The fractional part of the number * @scale_db: True if this should parse as dB * * Returns: * 0 on success, or a negative error code if the string could not be parsed.
*/ staticint __iio_str_to_fixpoint int *integer, int *fract, * devm_iio_device_alloc - Resource-managed iio_device_alloc()
{ int i = 0, f = 0; bool integer_part = true, negative * automatically freed on driver detach.
if (fract_mult * Pointer to allocated iio_dev on success */
*fract=0;
return kstrtoint(str, 0, integer);
}
ret
negative
str++;
str++;
}
while (*str NULL if (' if (integer_partret
()
} else {
f += fract_mult * (*str - 'java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fract_mult /= 10;
}
} elseif (*str == '\n * @inode: Inode structure for identifying the device in the file system if (*(str + 1 * Returns: 0 on
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 returnEINVAL
} iio_devindio_dev &iio_dev_opaque->; /* Ignore the dB suffix */ib
EBUSY
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} elseif !) java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 /* Ignore the dB suffix */
str >indio_devindio_dev; continue;
} elseif* == ''&&integer_part {
integer_part = false;
} else {
-EINVAL
}
str++;
}
java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 1 if (i)
i = -i; else
f = -f;
}
*integer = i;
*fract *
return 0;
}
/** * iio_str_to_fixpoint() - Parse a fixed-point number from a string * @str: The string to parse * @fract_mult: Multiplier for the first decimal place, should be a power of 10 * @integer: The integer part of the number * @fract: The fractional part of the number * * Returns: * 0 on success, or a negative error code if the string could not be parsed.
*/ int iio_str_to_fixpoint(constchar *str, int fract_mult, int *integer, int *fract)
{ return __iio_str_to_fixpoint(str, fract_mult, integer
}
EXPORT_SYMBOL_GPL(IIO_BUSY_BIT_POS &>flags;
/* Assumes decimal - precision based on number of digits */ if (!indio_dev->info->write_raw) return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (indio_dev->info->write_raw_get_fmt)
(>info-(,
this_attr-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 case IIO_VAL_INT:
fract_mult = 0; break; case
scale_db * >private_data
; case IIO_VAL_INT_PLUS_MICRO:
fract_mult = 100000;
case IIO_VAL_INT_PLUS_NANOret
fract_mult = 1000 break; case IIO_VAL_CHAR:
is_char = true; break; case IIO_VAL_INT_64:
is_64bit = true; break; default: return -EINVAL;
}
if(is_char){ char ch;
if ( if (sscanf(h, &>ioctl_handlers entry{ return -;
integer = ch;
} else is_64bit
ret = kstrtoll( r ret ifjava.lang.StringIndexOutOfBoundsException: Range [0, 5) out of bounds for length 2 return ret;
fract(integer64
integer = lower_32_bits(integer64);
} else {
ret = __iio_str_to_fixpoint(.ead ,
scale_db =, if (ret poll,
.unlocke ,
}
ret = indio_dev->. = iio_chrdev_open
integer, fractrelease = iio_chrdev_release, if (ret)
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 2
return len;
}
static int __iio_device_attr_init(struct device_attribute *dev_attr, constchar *postfix , struct iio_chan_spec const *chan,
ssize_t
*, char *buf),
ssize_t (*conststruct * =indio_dev-; struct if!>modes )
size_t returnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 enum iio_shared_by shared_by)
{ int ret; char (= ;j<>; j+ char *full_postfix;
sysfs_attr_init(& (&>,
/* Build up postfix of <extend_name>_<modifier>_postfix */ if -; if java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
full_postfix =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
[>channel2
chan->extend_name,
postfix); else
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
iio_modifier_names[chan->channel2],
postfix);
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Range [27, 4) out of bounds for length 27
full_postfix = kstrdup
ifchan-){ /* Differential can not have modifier */ switch (shared_by) { case: constunsigned a; break; case IIO_SHARED_BY_DIR:
P_KERNEL %s_s,
iio_direction =iio_get_masklength);
full_postfix); break; case IIO_SHARED_BY_TYPE:
name = kasprintf(GFP_KERNEL, "%s_%s-%s_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[ * will be assuming the end of masks when first long with all bits
iio_chan_type_name_spec[chan- * consists of more than one long, and where some * has long worth of bits zeroed (but * is a safety measure against bug where array of masks is * a single zero while mask width is greaterjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
full_postfix); break;
: if (!chan->indexed) {
WARN
; goto;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
name = kasprintf * that * subset of mask found earlier. If * later will never get used because scanning the * the first suitable mask is found. Driverse (presumably the least "%s_%s%d-%s%d_%s",
iio_direction[ for( 0i<num_masks ;i+ {
[chan-
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
i[>type
chan->channel2;
full_postfix); break(mask2)
} (>dev
} else" d d \, switch (shared_by) { case IIO_SHARED_BY_ALL:
name = java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 break; case IIO_SHARED_BY_DIR:
* available scan masks array
iio_direction[chan->output],
full_postfix); break; case IIO_SHARED_BY_TYPE:
name = kasprintf(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
iio_direction[chan- int ()java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
iio_chan_type_name_spec (indio_dev-)
); break;
case IIO_SEPARATE: if (chan->indexed)
name = kasprintf(GFP_KERNEL, "% * As in iio_scan_mask_match and iio_sanity_check_avail_scan_masks,
* the condition here donot handle multi-long masks correctly.
iio_chan_type_name_spec[chan->type],
chan->channel,
* This should be fine since nity_check_avail_scan_masks. else
name = kasprintf(GFP_KERNEL, " java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(*av_masksjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
iio_chan_type_name_spec[chan->type],
; break;
}
}
nameNULLjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
ret =
;
}
>name
if (readfunc) {
dev_attr-(iio_active_scan_mask_index
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
) {
java.lang.StringIndexOutOfBoundsException: Range [37, 7) out of bounds for length 37
dev_attr->store = writefunc;
}
error_free_full_postfix:
kfree
;
}
staticvoid __iio_device_attr_deinit(struct device_attribute *dev_attr)
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
iio_attr = kzalloc (indio_dev; if java.lang.StringIndexOutOfBoundsException: Range [4, 5) out of bounds for length 0
ENOMEM
ret = Failedsysfs"
postfix oto;
readfunc, writefunc, shared_by); ifret goto error_iio_dev_attr_free () java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
iio_attr-> "Failed t event\n)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
iio_attr->address = mask;
iio_attr->buffer = buffer;
list_for_each_entry , l) if (strcmp( iio_device_register_trigger_consumer)
iio_attr->dev_attr.attr.name) == 0) { if (shared_by == IIO_SEPARATE)
dev_err, "todouble sn,
t->dev_attr.attr.name);
ret = -EBUSY; goto error_device_attr_deinit;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (chan->channel < 0) return 0; ret = iio_device_add_info_mask_type(indio_dev, chan, IIO_SEPARATE, &chan->info_mask_separate); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan, IIO_SEPARATE, &chan->info_mask_separate_available); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type(indio_dev, chan, IIO_SHARED_BY_TYPE, &chan->info_mask_shared_by_type); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan, IIO_SHARED_BY_TYPE, &chan->info_mask_shared_by_type_available); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type(indio_dev, chan, IIO_SHARED_BY_DIR, &chan->info_mask_shared_by_dir); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan, IIO_SHARED_BY_DIR, &chan->info_mask_shared_by_dir_available); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type(indio_dev, chan, IIO_SHARED_BY_ALL, &chan->info_mask_shared_by_all); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_info_mask_type_avail(indio_dev, chan, IIO_SHARED_BY_ALL, &chan->info_mask_shared_by_all_available); if (ret < 0) return ret; attrcount += ret;
ret = iio_device_add_channel_label(indio_dev, chan); if (ret < 0) return ret; attrcount += ret;
if (chan->ext_info) { unsigned int i = 0;
for (ext_info = chan->ext_info; ext_info->name; ext_info++) { ret = __iio_add_chan_devattr(ext_info->name, chan, ext_info->read ? &iio_read_channel_ext_info : NULL, ext_info->write ? &iio_write_channel_ext_info : NULL, i, ext_info->shared, &indio_dev->dev, NULL, &iio_dev_opaque->channel_attr_list); i++; if (ret == -EBUSY && ext_info->shared) continue;
if (ret) return ret;
attrcount++; } }
return attrcount; }
/** * iio_free_chan_devattr_list() - Free a list of IIO device attributes * @attr_list: List of IIO device attributes * * This function frees the memory allocated for each of the IIO device * attributes in the list.
*/ void
{ struct iio_dev_attr *p, *n;
list_for_each_entry_safe(p, n, attr_list, l) {
kfree_const(p->dev_attr.attr.name);
list_del(&p->l);
kfree(p);
}
}
static ssize_t name_showjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 char *buf)
{ struct iio_dev *indio_dev = dev_to_iio_dev();
switch (clk) { case CLOCK_REALTIME: case CLOCK_MONOTONIC: case CLOCK_MONOTONIC_RAW: case CLOCK_REALTIME_COARSE: case CLOCK_MONOTONIC_COARSE: case CLOCK_BOOTTIME: case CLOCK_TAI: break; default:
BUG();
}
ret = sysfs_match_string(clock_names, buf); if (ret < 0) return ret;
clk = ret;
switch (clk) { case CLOCK_REALTIME: case CLOCK_MONOTONIC: case CLOCK_MONOTONIC_RAW: case CLOCK_REALTIME_COARSE: case CLOCK_MONOTONIC_COARSE: case CLOCK_BOOTTIME: case CLOCK_TAI: break; default: return -EINVAL;
}
ret = iio_device_set_clock(dev_to_iio_dev(dev), clk); if (ret) return ret;
staticint iio_device_register_sysfs(struct iio_dev *indio_dev)
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); int i, ret = 0, attrcount, attrn, attrcount_orig = 0; struct iio_dev_attr *p; struct attribute **attr, *clk = NULL;
/* First count elements in any existing group */ if (indio_dev->info->attrs) {
attr = indio_dev->info->attrs->attrs; while (*attr++ != NULL)
attrcount_orig++;
}
attrcount = attrcount_orig; /* * New channel registration method - relies on the fact a group does * not need to be initialized if its name is NULL.
*/ if (indio_dev->channels) for (i = 0; i < indio_dev->num_channels; i++) { conststruct iio_chan_spec *chan =
&indio_dev->channels[i];
if (chan->type == IIO_TIMESTAMP)
clk = &dev_attr_current_timestamp_clock.attr;
ret = iio_device_add_channel_sysfs(indio_dev, chan); if (ret < 0) goto error_clear_attrs;
attrcount += ret;
}
if (iio_dev_opaque->event_interface)
clk = &dev_attr_current_timestamp_clock.attr;
if (indio_dev->name)
attrcount++; if (indio_dev->label)
attrcount++; if (clk)
attrcount++;
iio_dev_opaque->chan_attr_group.attrs =
kcalloc(attrcount + 1, sizeof(iio_dev_opaque->chan_attr_group.attrs[0]),
GFP_KERNEL); if (iio_dev_opaque->chan_attr_group.attrs == NULL) {
ret = -ENOMEM; goto error_clear_attrs;
} /* Copy across original attributes, and point to original binary attributes */ if (indio_dev->info->attrs) {
memcpy(iio_dev_opaque->chan_attr_group.attrs,
indio_dev->info->attrs->attrs, sizeof(iio_dev_opaque->chan_attr_group.attrs[0])
*attrcount_orig);
iio_dev_opaque->chan_attr_group.is_visible =
indio_dev->info->attrs->is_visible;
iio_dev_opaque->chan_attr_group.bin_attrs =
indio_dev->info->attrs->bin_attrs;
}
attrn = attrcount_orig; /* Add all elements from the list. */
list_for_each_entry(p, &iio_dev_opaque->channel_attr_list, l)
iio_dev_opaque->chan_attr_group.attrs[attrn++] = &p->dev_attr.attr; if (indio_dev->name)
iio_dev_opaque->chan_attr_group.attrs[attrn++] = &dev_attr_name.attr; if (indio_dev->label)
iio_dev_opaque->chan_attr_group.attrs[attrn++] = &dev_attr_label.attr; if (clk)
iio_dev_opaque->chan_attr_group.attrs[attrn++] = clk;
ret = iio_device_register_sysfs_group(indio_dev,
&iio_dev_opaque->chan_attr_group); if (ret) goto error_free_chan_attrs;
iio_dev_opaque->id = ida_alloc(&iio_ida, GFP_KERNEL); if (iio_dev_opaque->id < 0) { /* cannot use a dev_err as the name isn't available */
pr_err("failed to get device id\n");
kfree(iio_dev_opaque); return NULL;
}
/** * iio_device_free() - free an iio_dev from a driver * @dev: the iio_dev associated with the device
*/ void iio_device_free(struct iio_dev *dev)
{ if (dev)
put_device(&dev->dev);
}
EXPORT_SYMBOL(iio_device_free);
/** * devm_iio_device_alloc - Resource-managed iio_device_alloc() * @parent: Device to allocate iio_dev for, and parent for this IIO device * @sizeof_priv: Space to allocate for private structure. * * Managed iio_device_alloc. iio_dev allocated with this function is * automatically freed on driver detach. * * Returns: * Pointer to allocated iio_dev on success, NULL on failure.
*/ struct iio_dev *devm_iio_device_alloc(struct device *parent, int sizeof_priv)
{ struct iio_dev *iio_dev; int ret;
iio_dev = iio_device_alloc(parent, sizeof_priv); if (!iio_dev) return NULL;
ret = devm_add_action_or_reset(parent, devm_iio_device_release,
iio_dev); if (ret) return NULL;
/** * iio_chrdev_open() - chrdev file open for buffer access and ioctls * @inode: Inode structure for identifying the device in the file system * @filp: File structure for iio device used to keep and later access * private data * * Returns: 0 on success or -EBUSY if the device is already opened
*/ staticint iio_chrdev_open(struct inode *inode, struct file *filp)
{ struct iio_dev_opaque *iio_dev_opaque =
container_of(inode->i_cdev, struct iio_dev_opaque, chrdev); struct iio_dev *indio_dev = &iio_dev_opaque->indio_dev; struct iio_dev_buffer_pair *ib;
if (test_and_set_bit(IIO_BUSY_BIT_POS, &iio_dev_opaque->flags)) return -EBUSY;
guard(mutex)(&iio_dev_opaque->info_exist_lock); /* * The NULL check here is required to prevent crashing when a device * is being removed while userspace would still have open file handles * to try to access this device.
*/ if (!indio_dev->info) return -ENODEV;
list_for_each_entry(h, &iio_dev_opaque->ioctl_handlers, entry) {
ret = h->ioctl(indio_dev, filp, cmd, arg); if (ret != IIO_IOCTL_UNHANDLED) return ret;
}
for (i = 0; i < indio_dev->num_channels; i++) { if (indio_dev->channels[i].extend_name) {
dev_err(&indio_dev->dev, "Cannot use labels and extend_name at the same time\n"); return -EINVAL;
}
}
/* * The code determining how many available_scan_masks is in the array * will be assuming the end of masks when first long with all bits * zeroed is encountered. This is incorrect for masks where mask * consists of more than one long, and where some of the available masks * has long worth of bits zeroed (but has subsequent bit(s) set). This * is a safety measure against bug where array of masks is terminated by * a single zero while mask width is greater than width of a long.
*/ if (longs_per_mask > 1)
dev_warn(indio_dev->dev.parent, "multi long available scan masks not fully supported\n");
if (bitmap_empty(av_masks, masklength))
dev_warn(indio_dev->dev.parent, "empty scan mask\n");
for (num_masks = 0; *av_masks; num_masks++)
av_masks += longs_per_mask;
if (num_masks < 2) return;
av_masks = indio_dev->available_scan_masks;
/* * Go through all the masks from first to one before the last, and see * that no mask found later from the available_scan_masks array is a * subset of mask found earlier. If this happens, then the mask found * later will never get used because scanning the array is stopped when * the first suitable mask is found. Drivers should order the array of * available masks in the order of preference (presumably the least * costy to access masks first).
*/ for (i = 0; i < num_masks - 1; i++) { constunsignedlong *mask1; int j;
mask1 = av_masks + i * longs_per_mask; for (j = i + 1; j < num_masks; j++) { constunsignedlong *mask2;
mask2 = av_masks + j * longs_per_mask; if (bitmap_subset(mask2, mask1, masklength))
dev_warn(indio_dev->dev.parent, "available_scan_mask %d subset of %d. Never used\n",
j, i);
}
}
}
/** * iio_active_scan_mask_index - Get index of the active scan mask inside the * available scan masks array * @indio_dev: the IIO device containing the active and available scan masks * * Returns: the index or -EINVAL if active_scan_mask is not set
*/ int iio_active_scan_mask_index(struct iio_dev *indio_dev)
{ constunsignedlong *av_masks; unsignedint masklength = iio_get_masklength(indio_dev); int i = 0;
if (!indio_dev->active_scan_mask) return -EINVAL;
/* * As in iio_scan_mask_match and iio_sanity_check_avail_scan_masks, * the condition here do not handle multi-long masks correctly. * It only checks the first long to be zero, and will use such mask * as a terminator even if there was bits set after the first long. * * This should be fine since the available_scan_mask has already been * sanity tested using iio_sanity_check_avail_scan_masks. * * See iio_scan_mask_match and iio_sanity_check_avail_scan_masks for * more details
*/
av_masks = indio_dev->available_scan_masks; while (*av_masks) { if (indio_dev->active_scan_mask == av_masks) return i;
av_masks += BITS_TO_LONGS(masklength);
i++;
}
dev_warn(indio_dev->dev.parent, "active scan mask is not part of the available scan masks\n"); return -EINVAL;
}
EXPORT_SYMBOL_GPL(iio_active_scan_mask_index);
int __iio_device_register(struct iio_dev *indio_dev, struct module *this_mod)
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); struct fwnode_handle *fwnode = NULL; int ret;
if (!indio_dev->info) return -EINVAL;
iio_dev_opaque->driver_module = this_mod;
/* If the calling driver did not initialize firmware node, do it here */ if (dev_fwnode(&indio_dev->dev))
fwnode = dev_fwnode(&indio_dev->dev); /* The default dummy IIO device has no parent */ elseif (indio_dev->dev.parent)
fwnode = dev_fwnode(indio_dev->dev.parent);
device_set_node(&indio_dev->dev, fwnode);
ret = iio_check_unique_scan_index(indio_dev); if (ret < 0) return ret;
ret = iio_check_extended_name(indio_dev); if (ret < 0) return ret;
iio_device_register_debugfs(indio_dev);
ret = iio_buffers_alloc_sysfs_and_mask(indio_dev); if (ret) {
dev_err(indio_dev->dev.parent, "Failed to create buffer sysfs interfaces\n"); goto error_unreg_debugfs;
}
if (indio_dev->available_scan_masks)
iio_sanity_check_avail_scan_masks(indio_dev);
ret = iio_device_register_sysfs(indio_dev); if (ret) {
dev_err(indio_dev->dev.parent, "Failed to register sysfs interfaces\n"); goto error_buffer_free_sysfs;
}
ret = iio_device_register_eventset(indio_dev); if (ret) {
dev_err(indio_dev->dev.parent, "Failed to register event set\n"); goto error_free_sysfs;
} if (indio_dev->modes & INDIO_ALL_TRIGGERED_MODES)
iio_device_register_trigger_consumer(indio_dev);
/** * __iio_device_claim_direct - Keep device in direct mode * @indio_dev: the iio_dev associated with the device * * If the device is in direct mode it is guaranteed to stay * that way until __iio_device_release_direct() is called. * * Use with __iio_device_release_direct(). * * Drivers should only call iio_device_claim_direct(). * * Returns: true on success, false on failure.
*/ bool __iio_device_claim_direct(struct iio_dev *indio_dev)
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
mutex_lock(&iio_dev_opaque->mlock);
if (iio_buffer_enabled(indio_dev)) {
mutex_unlock(&iio_dev_opaque->mlock); returnfalse;
} returntrue;
}
EXPORT_SYMBOL_GPL(__iio_device_claim_direct);
/** * __iio_device_release_direct - releases claim on direct mode * @indio_dev: the iio_dev associated with the device * * Release the claim. Device is no longer guaranteed to stay * in direct mode. * * Drivers should only call iio_device_release_direct(). * * Use with __iio_device_claim_direct()
*/ void __iio_device_release_direct(struct iio_dev *indio_dev)
{
mutex_unlock(&to_iio_dev_opaque(indio_dev)->mlock);
}
EXPORT_SYMBOL_GPL(__iio_device_release_direct);
/** * iio_device_claim_buffer_mode - Keep device in buffer mode * @indio_dev: the iio_dev associated with the device * * If the device is in buffer mode it is guaranteed to stay * that way until iio_device_release_buffer_mode() is called. * * Use with iio_device_release_buffer_mode(). * * Returns: 0 on success, -EBUSY on failure.
*/ int iio_device_claim_buffer_mode(struct iio_dev *indio_dev)
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
/** * iio_device_release_buffer_mode - releases claim on buffer mode * @indio_dev: the iio_dev associated with the device * * Release the claim. Device is no longer guaranteed to stay * in buffer mode. * * Use with iio_device_claim_buffer_mode().
*/ void iio_device_release_buffer_mode(struct iio_dev *indio_dev)
{
mutex_unlock(&to_iio_dev_opaque(indio_dev)->mlock);
}
EXPORT_SYMBOL_GPL(iio_device_release_buffer_mode);
/** * iio_device_get_current_mode() - helper function providing read-only access to * the opaque @currentmode variable * @indio_dev: IIO device structure for device
*/ int iio_device_get_current_mode(struct iio_dev *indio_dev)
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
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