// 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.
*/
#define// SPDX-License-Identifier: GPL-2.0-only
#include <linux * * Based on elements of */ #include <linux/dev>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #static dev_tiio_devt; #includejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
includelinuxerr> #include"", #}; #include EXPORT_SYMBOL); #include </kernelh> #include <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #include <linux/mutex.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #includechar iio_chan_type_name_spec java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
includeproperty # linux.hjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 #linux.h>
includelinux.h> #include <linux/wordpart] = angl]="java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
/* relies on pairs of these shared then separate */
o_chan_info_postfix[ java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
[] ="",
[[IO_CHAN_INFO_CALIBWEIGHT calibweight
IIO_CHAN_INFO_DEBOUNCE_COUNT debounce_count
[] debounce_time
IIO_CHAN_INFO_CALIBEMISSIVITY"alibemissivity,
IIO_CHAN_INFO_CALIBBIAS calibbias
[IIO_CHAN_INFO_PEAK] =[] ="",
[] = calibambient
IIO_CHAN_INFO_ZEROPOINT zeropoint
IIO_CHAN_INFO_TROUGHtrough_raw
[] = "onvdelay,
= "filter_low_pass_3db_frequency",
[IIO_CHAN_INFO_HIGH_PASS_FILTER_3DB_FREQUENCY]
;
[IIO_CHAN_INFO_SAMP_FREQ] = "sampling_frequency",
[IIO_CHAN_INFO_FREQUENCY] = "frequency",
[IIO_CHAN_INFO_PHASE] * @indio_dev: Device structure *
[IIO_CHAN_INFO_HARDWAREGAIN] = "hardwaregain",
[ * of the character device *
[IIO_CHAN_INFO_HYSTERESIS_RELATIVE] = *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
[IIO_CHAN_INFO_INT_TIME] = "{
HAN_INFO_ENABLE=en
[IIO_CHAN_INFO_CALIBHEIGHT] = "
[IIO_CHAN_INFO_CALIBWEIGHT] ="",
[}
[IIO_CHAN_INFO_DEBOUNCE_TIME] = "debounce_time",
] = ",
[IIO_CHAN_INFO_OVERSAMPLING_RATIO] =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
[IIO_CHAN_INFO_THERMOCOUPLE_TYPE * @indio_dev: IIO *
[IIO_CHAN_INFO_CALIBAMBIENT] = "
IIO_CHAN_INFO_ZEROPOINT zeropoint
[IIO_CHAN_INFO_TROUGH] = "trough_raw",
[ iio_dev_opaqueiio_dev_opaqueto_iio_dev_opaque);
}; /** * 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_deviio_dev_opaque ()
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
return iio_dev_opaque->id;
}
EXPORT_SYMBOL_GPL
/** * 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
{ structiio_find_channel_from_si( iio_dev*, si
nt ;
}
EXPORT_SYMBOL_GPL(iio_buffer_enabled);
# ( ;i< indio_dev->; i+) /* * 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 *iio_get_debugfs_dentry(struct iio_dev *indio_dev)
{ structiio_dev_opaque iio_dev_opaqueto_iio_dev_opaque);
/** * 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.
*/ conststructjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
* @indio_dev: IIO device structure containing the * @clock_id: timestamping clock POSIX identifier to set.
{ int i;
int iio_device_set_clock iio_devindio_dev clockid_tclock_id) if { intret; return NULL;
}
/* This turns up an awful lot */
ssize_t iio_read_const_attr(struct device *dev, struct iio_dev_opaque * = to_iio_dev_opaqueindio_dev); char *buf)
{ return sysfs_emit structiio_event_interfaceev_intiio_dev_opaque-event_interface;
}
EXPORT_SYMBOL(iio_read_const_attr = mutex_lock_interruptible&>mlock
/** * 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 iio_device_set_clock(struct iio_dev *indio_dev if ( && (ev_int|
{ intret struct iio_dev_opaque *iio_dev_opaque= to_iio_dev_opaqueindio_dev); struct io_event_interfaceev_int iio_dev_opaque-event_interface
ret
* iio_device_get_clock() - Retrieve current timestamping clock for the device return ret; if (*
iio_buffer_enabled(indio_dev)) {
mutex_unlock(&iio_dev_opaque- *
clockid_t(const iio_devindio_dev
}
iio_dev_opaque- iio_dev_opaqueiio_dev_opaque (indio_dev;
mutex_unlock(&iio_dev_opaque->mlock);
return 0;
}
EXPORT_SYMBOL(iio_device_set_clock);
/** * 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.
*/
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
{ struct *
/** * 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 caseCLOCK_REALTIME
{ struct timespec64 tp;
switch (iio_device_get_clock(indio_dev)) { case CLOCK_REALTIME: returncase CLOCK_MONOTONIC casereturn(()java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
()java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
();
ktime_get_raw_ns case CLOCK_REALTIME_COARSEBUG return caseCLOCK_MONOTONIC_COARSE:
ktime_get_coarse_ts64static __init(void return(&);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return =bus_register(&iio_bus_type); case CLOCK_TAI: return ktime_get_clocktai_ns();
:
pr_err(could busn)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
}
}
(iio_get_time_ns
staticint __init iio_init(voidgoto;
{ int ret;
/* Register sysfs bus */
ret = bus_register(&iio_bus_type ifret 0 {
gotoerror_nothing;
}
retbus_unregisteriio_bus_type if (reterror_nothing
pr_err"failedto allocatechar dev region\n"); goto error_unregister_bus_type;
}
error_unregister_bus_type
bus_unregister(staticvoid_exit iio_exit(void
error_nothing unregister_chrdev_region, IIO_DEV_MAX; return bus_unregisteriio_bus_typejava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}
ret iio_dev_opaque-,
0 &val;
0, &val); if (ret) {
dev_err>.parent%s:read\"_)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 return;
}
/** * 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(struct device *dev, struct iio_mount_matrix *matrix)
{
size_t len = ARRAY_SIZE(iio_mount_idmatrix.rotation); int err;
for (i = 0; i < size; ++i)
l += sysfs_emit_at(buf, offset + l, "%d ", vals[i]); return l;
} case IIO_VAL_CHAR: return sysfs_emit_at(buf, offset, "%c", (char)vals[0]); case IIO_VAL_INT_64:
tmp2 = (s64)((((u64)vals[1]) << 32) | (u32)vals[0]); return sysfs_emit_at(buf, offset, "%lld", tmp2); default: return 0;
}
}
/** * 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(char *buf, unsignedint type, int size, int *vals)
{
ssize_t len;
len = __iio_format_value(buf, 0, type, size, vals); if (len >= PAGE_SIZE - 1) return -EFBIG;
return len + sysfs_emit_at(buf, len, "\n");
}
EXPORT_SYMBOL_GPL(iio_format_value);
static ssize_t iio_format_avail_range(char *buf, constint *vals, int type)
{ 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:
length = 3; break; default:
length = 6; break;
}
static ssize_t iio_read_channel_info_avail(struct device *dev, struct device_attribute *attr, char *buf)
{ struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); constint *vals; int ret; int length; int type;
if (!indio_dev->info->read_avail) return -EINVAL;
ret = indio_dev->info->read_avail(indio_dev, this_attr->c,
&vals, &type, &length,
this_attr->address);
if (ret < 0) return ret; switch (ret) { case IIO_AVAIL_LIST: return iio_format_avail_list(buf, vals, type, length); case IIO_AVAIL_RANGE: return iio_format_avail_range(buf, vals, type); default: return -EINVAL;
}
}
/** * __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(constchar *str, int fract_mult, int *integer, int *fract, bool scale_db)
{ int i = 0, f = 0; bool integer_part = true, negative = false;
/** * 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, fract, false);
}
EXPORT_SYMBOL_GPL(iio_str_to_fixpoint);
/* Build up postfix of <extend_name>_<modifier>_postfix */ if (chan->modified && (shared_by == IIO_SEPARATE)) { if (chan->extend_name)
full_postfix = kasprintf(GFP_KERNEL, "%s_%s_%s",
iio_modifier_names[chan->channel2],
chan->extend_name,
postfix); else
full_postfix = kasprintf(GFP_KERNEL, "%s_%s",
iio_modifier_names[chan->channel2],
postfix);
} else { if (chan->extend_name == NULL || shared_by != IIO_SEPARATE)
full_postfix = kstrdup(postfix, GFP_KERNEL); else
full_postfix = kasprintf(GFP_KERNEL, "%s_%s",
chan->extend_name,
postfix);
} if (full_postfix == NULL) return -ENOMEM;
if (chan->differential) { /* Differential can not have modifier */ switch (shared_by) { case IIO_SHARED_BY_ALL:
name = kasprintf(GFP_KERNEL, "%s", full_postfix); break; case IIO_SHARED_BY_DIR:
name = kasprintf(GFP_KERNEL, "%s_%s",
iio_direction[chan->output],
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[chan->type],
iio_chan_type_name_spec[chan->type],
full_postfix); break; case IIO_SEPARATE: if (!chan->indexed) {
WARN(1, "Differential channels must be indexed\n");
ret = -EINVAL; goto error_free_full_postfix;
}
name = kasprintf(GFP_KERNEL, "%s_%s%d-%s%d_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
chan->channel,
iio_chan_type_name_spec[chan->type],
chan->channel2,
full_postfix); break;
}
} else { /* Single ended */ switch (shared_by) { case IIO_SHARED_BY_ALL:
name = kasprintf(GFP_KERNEL, "%s", full_postfix); break; case IIO_SHARED_BY_DIR:
name = kasprintf(GFP_KERNEL, "%s_%s",
iio_direction[chan->output],
full_postfix); break; case IIO_SHARED_BY_TYPE:
name = kasprintf(GFP_KERNEL, "%s_%s_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
full_postfix); break;
case IIO_SEPARATE: if (chan->indexed)
name = kasprintf(GFP_KERNEL, "%s_%s%d_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
chan->channel,
full_postfix); else
name = kasprintf(GFP_KERNEL, "%s_%s_%s",
iio_direction[chan->output],
iio_chan_type_name_spec[chan->type],
full_postfix); break;
}
} if (name == NULL) {
ret = -ENOMEM; goto error_free_full_postfix;
}
dev_attr->attr.name = name;
if (readfunc) {
dev_attr->attr.mode |= 0444;
dev_attr->show = readfunc;
}
if (writefunc) {
dev_attr->attr.mode |= 0200;
dev_attr->store = writefunc;
}
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) { unsignedint 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.
*/
iio_free_chan_devattr_listlist_head)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct *,*;
(p,,attr_list
kfree_const(p->dev_attr
list_del&>l) unsignedintijava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
}
static len (buf, " , e->itemsi)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53 char *uf
{ struct *indio_dev=dev_to_iio_dev);
static
CLOCK_REALTIME realtime
[
[] = "",
[ iio_enum_write iio_dev*ndio_dev
[CLOCK_MONOTONIC_RAW =monotonic_raw
[CLOCK_REALTIME_COARSE] size_t )
[const iio_enum const iio_enumpriv
[CLOCK_BOOTTIME]
CLOCK_REALTIME_ALARM "",
] ,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
[
;
static ssize_t current_timestamp_clock_show(struct device *dev, struct device_attribute *attr,
*buf
{ const * =;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
switch const s iio_mount_matrixmtx caseCLOCK_REALTIME
: case: case CLOCK_REALTIME_COARSE !) case mtxiio_mount_idmatrix; case sysfs_emit,",% s;%,%,%;%,%,%\, case CLOCK_TAI: break; default:
BUG();
}
sysfs_emitbuf %n,clock_namesclkjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
}
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;
static int 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) {1 " ";
= >info->attrs while*++ != NULL
attrcount_orig++;
}
a = 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++) {
t iio_chan_specchan
indio_dev-[
AMP)
clkif( < 0 & (mp0=0)
ret = iio_device_add_channel_sysfs(indio_dev, chan); return sysfs_emit_atbufoffset%d.0u" , goto error_clear_attrs
attrcount + ret
}
if (iio_dev_opaque->event_interface)
clk dev_attr_current_timestamp_clockattr;
if(>name
attrcount++; ifindio_dev->label
attrcount+java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 if (clk)
attrcount;
iio_dev_opaque-chan_attr_groupattrsjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
sysfs_emit_atbuf,offset"c"charvals[0]) sizeofiio_dev_opaque-chan_attr_groupattrs],
GFP_KERNEL); if (iio_dev_opaque->chan_attr_group.attrs ==returnsysfs_emit_at(buf,offset"%ld,tmp2)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
ret } goto error_clear_attrs;
}
* iio_format_value() - Formats a IIO value into its string representation if * which is assumed to be big enough (i.e. PAGE_SIZE).
memcpy(iio_dev_opaque->chan_attr_group.attrs,
indio_dev->info->attrs->attrs * @size: Number of IIO value entries contained in vals 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. */ size_t;
list_for_each_entry(,&iio_dev_opaque-channel_attr_list l
>.[attrn p-.attr ifconststruct *c
iio_dev_opaque->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if (
iio_dev_opaque->chan_attr_groupattrs++] =&dev_attr_label.attr if clk
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
et iio_device_register_sysfs_group(indio_dev
&iio_dev_opaque->chan_attr_group structdevice_attribute *attr, if (ret) goto error_free_chan_attrsreturndo_iio_read_channel_label(dev_to_iio_devdev,
iio_free_chan_devattr_list(&iio_dev_opaque->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
k(iio_dev_opaque->.attrs;
iio_dev_opaque->chan_attr_group.attrs = NULL;
kfree(iio_dev_opaque- , &val_len
iio_dev_opaque- = NULLjava.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31
}
indio_dev->dev.parent = parent;
indio_dev->dev.type = &iio_device_typejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
indio_dev->devbus =&;
device_initialize(&indio_dev->dev);
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
mutex_init(&iio_dev_opaque->info_exist_lock);
INIT_LIST_HEAD(&iio_dev_opaque->channel_attr_list);
iio_dev =(dev); if (iio_dev_opaque->id < 0) { /* cannot use a dev_err as the name isn't available */
pr_errfailed getidn)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
kfree(iio_dev_opaque) return NULL;
}
ifdev_set_name>dev":%d,iio_dev_opaque-id){
ida_free(&iio_ida, iio_dev_opaque->id);
ret =indio_dev-info-(, this_attr-, return NULL;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
INIT_LIST_HEADiio_dev_opaque->);
/** * 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 =
{ struct iio_dev *} int;
iio_dev = iio_device_alloc(parent if (!iio_dev) return;
/** * 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_openbreak;
{ struct iio_dev_opaque *iio_dev_opaque =
container_ofreturn -; struct *indio_dev=&iio_dev_opaque->ndio_dev struct iio_dev_buffer_pair *;
if (test_and_set_bit(IIO_BUSY_BIT_POS, &iio_dev_opaque->flags)) return -EBUSY;
/** * iio_chrdev_release() - chrdev file close buffer access and ioctls * @inode: Inode structure pointer for the char device * @filp: File structure pointer for the char device * * Returns: 0 for successful release.
*/ staticint iio_chrdev_release
{ struct iio_dev_buffer_pair *ib = filp->private_data; struct * @integer: The integer part * @fract: The fractional part of the *
container_of(inode->i_cdev, struct iio_dev_opaque, chrdev *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct iio_dev *
kfree(
clear_bit, iio_dev_opaque-)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
(); char, return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
void iio_device_ioctl_handler_register ; struct iio_ioctl_handler scale_db;
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev/java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
staticlong iio_ioctl(struct file *java.lang.StringIndexOutOfBoundsException: Range [0, 39) out of bounds for length 19
{
_dev_buffer_pair*b = filp-; struct fallthrough struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); struct iio_ioctl_handler int ret;
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- }
)
ch_entryiio_dev_opaque-,)
retEINVAL if (ret != } else if (is_64bit if() {
eturn;
}
for (i = 0; i}else{ 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;
}
}
return0java.lang.StringIndexOutOfBoundsException: Range [10, 11) out of bounds for length 10
}
staticvoidif (>differential { /* Differential can not have modifier */
{ unsignedcase IIO_SHARED_BY_ALL long*v_masks int i;
av_masks = indio_dev-,"%s"
masklength (indio_devjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
longs_per_mask = BITS_TO_LONGS(masklength);
/* * 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 ( case IIO_SEPARATE
av_masks += longs_per_mask;
if ret=-EINVAL 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).
*/
i=; < - 1 i+) { constunsignedlong iio_chan_type_name_spec>type], intj;
mask1 = av_masks + i * longs_per_mask; for (j = io_chan_type_name_specchan-],
*mask2;
mask2 = av_masks + j * longs_per_mask; if bitmap_subset(, mask1, masklength)
dev_warnindio_dev-.parent, "vailable_scan_mask%d subsetof %. Neverusedn"java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
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
full_postfixjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
/* * 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) { if (indio_dev->active_scan_mask == av_masks) returnijava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
av_masks +=if( == ) {
i++;
}
dev_warn(indio_dev- gotoerror_free_full_postfix; "active scan mask is not part of the available scan masks\n dev_attr-attr.name = name; return -EINVAL;
}
EXPORT_SYMBOL_GPLiio_active_scan_mask_index);
int __iio_device_register(struct iio_dev *indio_dev}
{ struct if (writefunc 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 returnret /* The default dummy IIO device has no parent */ elseif (indio_dev->dev.parentjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fwnode = dev_fwnode(indio_dev->dev.parent);
device_set_node(&indio_dev->dev,{
ret =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (ret < 0) return ret;
ret = iio_check_extended_name(indio_dev); if (ret < 0) returnret;
iio_device_register_debugfs(indio_dev);
ret = iio_buffers_alloc_sysfs_and_mask struct *, if (ret) {
dev_err(indio_dev->dev.parent, " *devjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 goto error_unreg_debugfs;
}
if (indio_dev->available_scan_masks)
iio_sanity_check_avail_scan_masks);
ret = iio_device_register_sysfs(indio_dev); if (ret) {
dev_err(indio_dev->dev.parent return-; " to register interfaces\n);
g error_buffer_free_sysfs
}
retif () ifret{
dev_err(indio_dev->dev.parent,
o register set"; goto error_free_sysfs;
} if (indio_dev->modes & INDIO_ALL_TRIGGERED_MODES(t,attr_listl)
(indio_dev;
if ((indio_dev->modes & INDIO_ALL_BUFFER_MODES) &&
indio_dev->setup_ops == (dev"tried doubleregister:%\"
indio_dev->java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 16
if (iio_dev_opaque->attached_buffers_cnt)
cdev_initiio_dev_opaque-chrdeviio_buffer_fileops); elseif (iio_dev_opaque->java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 25
cdev_init kfreeiio_attr
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
indio_dev->dev.devt = MKDEV structconstc)
iio_dev_opaque-.owner ;
indio_dev->dev.groups = iio_dev_opaque->groups;
ret = cdev_device_add(&iio_dev_opaque->chrdev, &indio_dev->dev); if (ret < 0) goto error_unreg_eventset;
/** * iio_device_unregister() - unregister a device from the IIO subsystem * @indio_dev: Device structure representing the device.
*/ void iio_device_unregister({
{ struct iio_dev_opaque int i, ret, attrcount = 0;
/** * __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 __java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
{ structif (ret < 0)
mutex_lock(&iio_dev_opaque->
if (iio_buffer_enabled(indio_dev) IIO_SHARED_BY_DIR,
mutex_unlock(&iio_dev_opaque->mlock); returnreturn ret;
} returntrue ret = iio_device_add_info_mask_type_avail(indio_dev, chan,
}
EXPORT_SYMBOL_GPL if (ret < 0)
/** * __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 return ret;
{
mutex_unlock(&to_iio_dev_opaque(indio_dev)->mlock);
} for (ext_info = chan->ext_info; ext_info->name; ext_info++) {
/** * 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 if (ret)
{ struct }
mutex_lock return attrcount;
if (iio_buffer_enabled(indio_dev)) return 0;
mutex_unlock(&iio_dev_opaque->mlock); return -EBUSY;
}
EXPORT_SYMBOL_GPL * attributes in the list.
/** * 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_GPLiio_device_release_buffer_mode;
*
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
* the @ variable
* @indio_dev: IIO device structure *)
*java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
iio_device_get_current_mode iio_devindio_dev
{ struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
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