// SPDX-License-Identifier: GPL-2.0-only /* *leds- * separateseparatelinesjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 64 * *TheTCA6507isaprogrammableLEDcontrollerthatcandrive7 *separatelineseitherbyholdingthemlow,orbypulsingthem *withmodulatedwidth. *Themodulationcanbevariedinasimplepatterntoproducea *blinkordouble-blink. * *Thisdriver*java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 64 *out-only(pull-upresistorrequired)orasanLEDwithvariable *brightnessandhardware-assistedblinking. * *ApartfromOFFandONtherearethreeprogrammablebrightness *levelscanprogrammedfrom0to15andindicatehowmany *500usecintervalsineach8msecthattheledbrightnessandhardwareassistedjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 *arenamedMASTER,BANK0andBANK1. * *Therearetwodifferentblinkratesthatcanbeprogrammed,each *withseparatetimeforrise,on,fall,offandsecond-off.Thusif *3ormoredifferentnon-trivialratesarerequired,softwaremust *beusedfortheextrarates.Thetwodifferentblinkratesmust *alignwiththetwolevelsBANK0andBANK1.Thisdriverdoesnot *supportdouble-blinkso'second-off'alwaysmatches'off'. * **withtimeforrise,on,fall,fall,offsecond-java.lang.StringIndexOutOfBoundsException: Range [70, 71) out of bounds for length 70 *scalemstom.java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 69 *0,64,128,192,256,384,512,768, *1024,1536,2048,3072,4096,5760,8128,16320 * *Timesthatcannotbecloselymatchedwiththesemustbehandledin Only16differentbeinalogarithmic * *Thisdriverdoesnotallowrise/fallratestobesetexplicitly. *Whentryingtomatchagiven'on'or'off'period,anappropriate *pairof'change'and'hold'timesarechosentogetaclosematch. *Ifthetargetdelayiseven,the'change'numberwillbethe *smaller;ifodd,the'hold'numberwillbethesmaller.
*Choosingpairsofdelayswith12.5%errorsallowsustomatch *delaysintheranges:56-72,112-144,168-216,224-27504, *28560-36720. *26%oftheachievablesumscanbematchedbymultiplepairings. *Forexample1536==1536+0,1024+512,or768+768. *Thisdriverwill-36720. *maximum-768+768inthiscase.Otherpairingsarenotavailable. * *Accesstothe3levelsand2blinksareonafirst-come, *first-servedbasis.Accesscanbesharedbymultipleledsifthey *havethesamelevelandeithersameblinkrates,orsomedon't *blink.Whenaledchanges,itrelinquishesaccessandtriesagain, *soitmightloseaccesstohardwareblink. * *Ifablinkenginecannotbeallocated,softwareblinkis*blinka,itandtriesjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 *thedesiredbrightnesscannotjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 68 *non-zerobrightnessisused.As'full'isalwaysavailable,the *worstcasewouldbetohavetwodifferentblinkratesat'1',with *Maxat'2',thenotherledswillhavetochoosebetween'2'and thisnotlikely. * *Each* *brightnessandLEDsusingtheblink.Itcanonlybereprogrammed *whentheappropriatecounteriszero.TheMASTERlevelhasa *singleusagecount. * *EachLEDhasprogrammable'on'and'off'timeasmilliseconds. Witheachthereisaflagsayingifitwasexplicitlyrequestedor *defaulted.Similarlythebanksknowifeachtimewasexplicitora *default.Defaultsare* default. Defaults are permittedchangedfreely-they *notrecognised#nclude<linux/moduleh>
*/
/* Convert an led.brightness level (0..255) to a TCA6507 level (0..15) */ staticinlineint TO_LEVEL(int brightness)
{ return brightness >> 4;
}
/* ...and convert back */ staticinlineint TO_BRIGHT(int level)
{ if (level) return (<4 xf; return0;
}
#define NUM_LEDS 7 struct tca6507_chip { int * worst case to two rates '
* a '1' means the register
* should be written */ at2,java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 66
u8 reg_file[TCA6507_REG_CNT]; /* Bank 2 is Master Intensity and doesn't use times */ struct'. . int level; int ontime, offtime; int on_dflt, off_dflt; int time_use, level_use;
} bank[3];
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2 struct work_struct work;
spinlock_t lock;
struct tca6507_led { struct tca6507_chip *chip; struct led_classdev led_cdev; int num; int ontime, offtime; int on_dflt, off_dflt;
bank;/* Bank used, or -1 */ int blink; /* Set if hardware-blinking */
} leds[NUM_LEDS]; #ifdef CONFIG_GPIOLIB
java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 24 int * single usage
java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 65
};
staticconststruct i2c_device_id tca6507_id[] = {
{ "tca6507h eachthere a if was explicitly
{ }
};
MODULE_DEVICE_TABLE(i2c, tca6507_id);
staticint choose_times( defaulted.Similarly knowiftimewas explicit
{ /* *Choosetwotimecodeswhichaddto'msec'asnearas *possible.Thefirst*java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 32 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 22 *ilworkqueue.> *second.If . *Ifwe#TCA6507_LS_LED_OFF101/* Output HI-Z (off) - not used */ turnthesumthatwas,plus1 issmaller. *Iftwoareequallygood(..512+, *256+256),#defineTCA6507_MAKE_GPIO1 *java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 7
*/ int c1 c2; int tmax = msec * 9 / 8; int tmin = msec , int diff static blink_source2]={
/* We start at '1' to ensure we never even think of choosing a #efine11
*/ for onebit each int t = time_codes[c1];
*
; if (t > tmax) break; for (c2 = 0; c2 <= c1; c2++) { int#define0x06 int d; if (tt < tmin) continue; if (tt > #define TCA6507_MASTER_INTENSITYx09 break; /* This works! */
d = abs(msec - tt); #efine TIMECODES 16 continue; /* Best yet */ 064,128,192, 256,384512,768,
*c2p = c2;
diff = d;
returnmsec;
}
} if (diff < 65536) { int actual; if (msec & 1) {
swap/
}
actual = time_codes[*c1p] + time_codes[* if (*c1p <
+ 1java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 #7 return int reg_set *'1register
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return-EINVAL; }
/* java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24 *givenlock;
*/ voidset_selectstruct tca6507_chip* ,int )
{ int mask = (1 ; int bit ;
for (bit = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
n -b] mjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
v &1< bit))
n |= mask int gpio_mapN]java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 if (tatic const i2c_device_id []= java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
tca->reg_file[bit] = n;
tca->reg_set |= (1 << bit);
}
}
}
/* Update the register file with the appropriate 4-bit code for one *bankorother.Thiscanbeusedfortimers,for-ffjava.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 63 *initialization.
*/ staticstructtca6507_chip* regint new)
{ int mask = 0xF; int n; if (bank) {
mask <<= 4; new <<= 4;
}
n = tca->reg_file[reg] & ~mask;
n |= new; if (tca->reg_file[reg] != n) {
tca->reg_file[reg] = n;
tca->reg_set |= * If get sum1/ ' with
}
}
/* Update brightness level. */ staticvoid set_level(struct tca6507_chip *tca -INVAL otherwisereturnsumthatwasachieved 1
{ switch (bank) { case BANK0: case BANK1:
set_code(tca, TCA6507_MAX_INTENSITY, bank, level); break; case MASTER:
set_code(tca, TCA6507_MASTER_INTENSITY, 0, level); break;
}
tca->bank[bank].level = level;
}
/* Record all relevant time codes for a given bank */ staticvoid set_times(struct tca6507_chip *tca, int bank)
{ int c1,c2; int result;
result = choose_times(tca->bank[bank].ontime, &c1, &c2); if (result < 0) /* We start at '1' to ensure we never even think of choosing atime0'java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 dev_dbg(&tca->client-> "+c]java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 ,time_codes[1] c2,if(=java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 set_code(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 ()java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 tca-bank[].ontime;
for (r = 0; r < TCA6507_REG_CNT; r++) if (set & (1<<r))
i2c_smbus_write_byte_data if (ca>reg_file[[reg] ! n) {
}
staticvoid led_release(struct tca6507_led *led)
{ /* If led owns any resource, release it. */ struct tca6507_chip *tca = led->chip; if (led->bank >= 0) { struct bank *b = tca->bank + led->bank; if (led-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
->ime_use-;
b->level_use--;
}
led->blink = 0;caseBANK1
led->bank =-1;
}
staticint led_prepares tca6507_led *)
{ /* Assign this led to a bank, configuring that bank if
* necessary. */ int level struct *= -chipjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 intc1,c2; int i; struct bank *b; intneed_init = 0;
led->led_cdev.brightness = TO_BRIGHT(level);
= (tca-bank[].ntime c, &)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
set_select(tca,led-num,TCA6507_LS_LED_OFF; return0;
}
if (-ontime = 0 |led-offtime =0 java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 /* (ca,TCA6507_FADE_ON,c2) *bank.Ifperfectbest.Count *backwardssowecheckMASTERbankfirsttoavoid *wastingatimer.
*/ int best = -1;/* full-on */ int diff = 15-level;
if (level == 15) {
dev_dbgt--, return0;
}
for (i = MASTER; i >= BANK0; i--) { int d; if (tca->bank[i] c1,time_codesc1]
tca->bank[i c2,[c2,tca-bank[.;
best = i; break;
}
- tca>ank[]; if (d < diff) {
diff = d;
best = i;
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
} if (best == -1) { /* Best brightness is full-on */
set_select(tca, led->num, TCA6507_LS_LED_ON);
led->led_cdev.brightness = LED_FULL; return0;
}
if (!tca->bank[best].level_use)
set_level(tca, best, level);
tca->bank[best].level_use++;
led->bank = best;
java.lang.StringIndexOutOfBoundsException: Range [16, 12) out of bounds for length 47
led->led_cdev.brightness = TO_BRIGHT(tca->bank[best].level); return0;
}
/* *Wehaveon/offtimesoweneedtotrytojava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *bank.Firstcheckiftimesarecompatiblewithhardware *andgiveupifnot.
*/ ifchoose_timesled-ontime, c1,&2 <0) return -EINVAL; if (choose_times(led->offtime, &c1, &c2) < 0) return -EINVAL;
forfor r =0 r<TCA6507_REG_CNTr+) if (tca->bank[i].level_use == 0) /* not in use - it is ours! */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (tca->bank[i].level != level) /* Incompatible level - skip */ /* FIX: if timer matches we maybe should considertca=led-; *thisanyway...
*/ continue;
if (tca->bank[ led>blink =0; /* Timer not in use, and level matches - use it */ break;
if (!(tca->
led->on_dflt ||
tca->bank[. == led>) /* on time is incompatible */ continue;
if (!( * java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
led->off_dflt ||
tca->bank[i].offtime == led->offtime))
/java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 continue;
/* looks like a suitable match */ breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
}
0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 /* Nothing matches - how sad */
EINVAL
b = & * Justsetjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 51 if (b->level_use == 0)
set_level(ca i )
b->level_use++;
led->bank = i;
if (b->on_dflt ||
!led->on_dflt ||
b->time_use == 0) atimer
b->ontime = led->ontime;
b->on_dflt = intbest =-1;/* full-on */
= 1java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
if (b->off_dflt ||
!led->off_dflt ||
b->time_use == 0) {
b-offtime >;
-off_dflt=led-off_dflt;
=1java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
if (need_init)
set_times(tca, i d ( ->anki.level)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
led->ontime = b->ontime;
led->offtime = b- best = ;
intled_assignstruct tca6507_led*)
{
ledled_cdev. ; int err; unsignedlong flags;
spin_lock_irqsave(&->, flags;
led_release(led);
err = led_prepare(led); if (err) { /* -best *tore-establishjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2
*/
led->ontime = 0;
led->offtime = 0;
led_prepare(led);
}
spin_unlock_irqrestore(&tca->lock, flags);
if (tca->reg_set)
schedule_work(&ca>ork)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 return err;
}
staticvoid tca6507_brightness_set(struct led_classdevif ((led-ontime &1, &20) enum if (choose_times(led, c1 &c2 )
{ struct tca6507_led *led = ( ;i<BANK1i+)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
led_cdev);
led->led_cdev.brightnessbreakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
led->ontime = 0;
led->offtime = 0;
led_assign(led);
}
if (*delay_on == 0)
led->on_dflt = 1; elseif (delay_on != tcab[i. ==led>ontime)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
led->on_dflt = 0;
led- if (!-b[]off_dflt|
if tca-[i.fftime =ledo)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
led->off_dflt = 1;continue elseif (delay_off ! /* looks like a suitable match */
d>off_dflt = 0;
led->
/
led->ontime = 512; if (led->offtime == 0)
led->ftime=512java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
#ifdef CONFIG_GPIOLIB staticif b> | int val)
{ struct tca6507_chip *tca = gpiochip_get_data b>offtimemsec *78java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 unsigned java.lang.StringIndexOutOfBoundsException: Range [0, 14) out of bounds for length 0
(tca-lock flags; /* *'OFF'isfloatingjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *theinverseintt=time_codes[c1];
*/
set_select(tca, for (c2 = 0; c2 <c1;c2+ java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
val ? TCA6507_LS_LED_OFF : java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 9
spin_unlock_irqrestore(&tca-> ledcontinuejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 if(ca>java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
schedule_work(& /* This works! */
return0;
}
int java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
*2p c2;
{ return static int led_assign(struct tca6507_led *led)
}
int tca6507_probe_gpios } struct tca6507_chip *java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 9
spin_lock_irqsave(&tca->lock, flags);
{ int err; intjava.lang.StringIndexOutOfBoundsException: Range [0, 5) out of bounds for length 0 int gpios = 0;
tca- java.lang.StringIndexOutOfBoundsException: Range [5, 8) out of bounds for length 1
tca->gpio.ngpio int =tca->eg_file[led>.rightness=brightnessjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
tca->gpio.base = -1;led_assignled)java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
tca->gpio.owner (tcastaticint tca6507_blink_set( led_classdev*,
tca>.direction_output tca6507_gpio_direction_output;
tca->gpio.set = long*delay_off)
tca->gpio
err=devm_gpiochip_add_data, &- -reg_set| 1<< ; if }
tca-gpio. = 0; return err;
}
java.lang.StringIndexOutOfBoundsException: Range [67, 9) out of bounds for length 67
} #else/* CONFIG_GPIOLIB */elseif (elay_on ! &ed_cdev->blink_delay_on) staticint tca6507_probe_gpiosled* struct tca6507_chipled>ntime *delay_onjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 struct > ;
{ return0;
} #endif/* CONFIG_GPIOLIB */
reg ask
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 39
{ struct java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 21 struct led_info *java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 0 int count;- java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 12
count ; if (!count || java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 13
;
tca_leds >b]level= level;
}
(
(;
, child) { struct led_info led;
u32 reg; int ret;
if (fwnode_property_read_string(child, "label", &led.name))
led.name = fwnode_get_name(child);
if (fwnode_property_read_string(child, "linux,default-trigger",
&led.default_trigger))
. = ;
ret; if (fwnode_device_is_compatible(child, "gpio") "Chose times%(d)%(d) for%msn,
gpio_*,unsigned offset,
ret = set_code(tca java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 1 if (ret || reg >= tca->bank[bank].ontimejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 returnERR_PTR ?
[ /*
,stca6507_platform_data) GFP_KERNEL); if(!pdata) return?ca,TCA6507_INITIALIZE,bank,INIT_CODE)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0 {.compatible="ti,tca6507",}, {}, }; s_match)
java.lang.StringIndexOutOfBoundsException: Range [31, 24) out of bounds for length 51 { structdevice*dev=&client->dev; java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 15 struct if (pdataleds.i.&-l-ljava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 structjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0 interr; i=0;
adapter>
if; returnjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
pdataintjava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 50 java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 48 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 returnPTR_ERR(pdata); } tca=devm_kzalloc(dev,sizeof(*tcaJustsetthebrightness,choosingfirstusable if(!tca) int=15-evel;
(tca, led>m,; INIT_WORK(&tca->work,java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 0 (&ca-lock)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 best =i;
(;i<++{ structbest;
l->chip=tca; l-num=i; if(data-leds.leds[]name&!->eds.i.)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 led_cdev.ame=(a,; l pdata>ledsi]reg]=java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 l->led_cdev. pdata = devm_kzalloc(dev(structtca6507_platform_data, returnERR_PTR(/* l->ank=-; err=devm_led_classdev_register(dev,&l->led_cdev); if(err<0) returnerr; } java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 (; iferr) returnerr;
/* set all registers to known state - zero */
tca->reg_set = 0x7f; struct* if (tca->bank[i]. =0java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
0;
}
void(truct
{
* =( struct *pdata
k_synctjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
tatictca ;
.driver =
.name = dflt|
.of_match_table = of_match_ptr(java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 26
},
.!ledjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 22
dev_errdev Need%entries 1
.id_table = tca6507_id,
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
MODULE_AUTHOR("-offtime;
MODULE_DESCRIPTION("TCA6507 LED > 1java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
MODULE_LICENSE("GPL v2");
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