Blame view
drivers/leds/leds-lm3530.c
12.7 KB
0376148f3 treewide: Replace... |
1 |
// SPDX-License-Identifier: GPL-2.0-only |
b1e6b7068 leds: add driver ... |
2 3 4 5 |
/* * Copyright (C) 2011 ST-Ericsson SA. * Copyright (C) 2009 Motorola, Inc. * |
b1e6b7068 leds: add driver ... |
6 7 8 9 10 11 12 13 14 15 16 17 18 |
* Simple driver for National Semiconductor LM3530 Backlight driver chip * * Author: Shreshtha Kumar SAHU <shreshthakumar.sahu@stericsson.com> * based on leds-lm3530.c by Dan Murphy <D.Murphy@motorola.com> */ #include <linux/i2c.h> #include <linux/leds.h> #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/input.h> #include <linux/led-lm3530.h> #include <linux/types.h> |
9b2da53f7 drivers/leds/leds... |
19 |
#include <linux/regulator/consumer.h> |
54f4dedb5 drivers/leds: Add... |
20 |
#include <linux/module.h> |
b1e6b7068 leds: add driver ... |
21 22 23 24 25 26 27 |
#define LM3530_LED_DEV "lcd-backlight" #define LM3530_NAME "lm3530-led" #define LM3530_GEN_CONFIG 0x10 #define LM3530_ALS_CONFIG 0x20 #define LM3530_BRT_RAMP_RATE 0x30 |
b1e6b7068 leds: add driver ... |
28 29 30 31 32 33 34 35 36 37 38 |
#define LM3530_ALS_IMP_SELECT 0x41 #define LM3530_BRT_CTRL_REG 0xA0 #define LM3530_ALS_ZB0_REG 0x60 #define LM3530_ALS_ZB1_REG 0x61 #define LM3530_ALS_ZB2_REG 0x62 #define LM3530_ALS_ZB3_REG 0x63 #define LM3530_ALS_Z0T_REG 0x70 #define LM3530_ALS_Z1T_REG 0x71 #define LM3530_ALS_Z2T_REG 0x72 #define LM3530_ALS_Z3T_REG 0x73 #define LM3530_ALS_Z4T_REG 0x74 |
8544d0e3f leds-lm3530: remo... |
39 |
#define LM3530_REG_MAX 14 |
b1e6b7068 leds: add driver ... |
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 |
/* General Control Register */ #define LM3530_EN_I2C_SHIFT (0) #define LM3530_RAMP_LAW_SHIFT (1) #define LM3530_MAX_CURR_SHIFT (2) #define LM3530_EN_PWM_SHIFT (5) #define LM3530_PWM_POL_SHIFT (6) #define LM3530_EN_PWM_SIMPLE_SHIFT (7) #define LM3530_ENABLE_I2C (1 << LM3530_EN_I2C_SHIFT) #define LM3530_ENABLE_PWM (1 << LM3530_EN_PWM_SHIFT) #define LM3530_POL_LOW (1 << LM3530_PWM_POL_SHIFT) #define LM3530_ENABLE_PWM_SIMPLE (1 << LM3530_EN_PWM_SIMPLE_SHIFT) /* ALS Config Register Options */ #define LM3530_ALS_AVG_TIME_SHIFT (0) #define LM3530_EN_ALS_SHIFT (3) #define LM3530_ALS_SEL_SHIFT (5) #define LM3530_ENABLE_ALS (3 << LM3530_EN_ALS_SHIFT) /* Brightness Ramp Rate Register */ #define LM3530_BRT_RAMP_FALL_SHIFT (0) #define LM3530_BRT_RAMP_RISE_SHIFT (3) /* ALS Resistor Select */ #define LM3530_ALS1_IMP_SHIFT (0) #define LM3530_ALS2_IMP_SHIFT (4) /* Zone Boundary Register defaults */ |
40b1445b1 arch/arm/mach-ux5... |
70 71 72 |
#define LM3530_ALS_ZB_MAX (4) #define LM3530_ALS_WINDOW_mV (1000) #define LM3530_ALS_OFFSET_mV (4) |
b1e6b7068 leds: add driver ... |
73 74 |
/* Zone Target Register defaults */ |
40b1445b1 arch/arm/mach-ux5... |
75 76 |
#define LM3530_DEF_ZT_0 (0x7F) #define LM3530_DEF_ZT_1 (0x66) |
b1e6b7068 leds: add driver ... |
77 |
#define LM3530_DEF_ZT_2 (0x4C) |
40b1445b1 arch/arm/mach-ux5... |
78 79 |
#define LM3530_DEF_ZT_3 (0x33) #define LM3530_DEF_ZT_4 (0x19) |
b1e6b7068 leds: add driver ... |
80 |
|
bbe645320 leds-lm3530: set ... |
81 82 |
/* 7 bits are used for the brightness : LM3530_BRT_CTRL_REG */ #define MAX_BRIGHTNESS (127) |
b1e6b7068 leds: add driver ... |
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 |
struct lm3530_mode_map { const char *mode; enum lm3530_mode mode_val; }; static struct lm3530_mode_map mode_map[] = { { "man", LM3530_BL_MODE_MANUAL }, { "als", LM3530_BL_MODE_ALS }, { "pwm", LM3530_BL_MODE_PWM }, }; /** * struct lm3530_data * @led_dev: led class device * @client: i2c client * @pdata: LM3530 platform data * @mode: mode of operation - manual, ALS, PWM |
9b2da53f7 drivers/leds/leds... |
100 101 102 |
* @regulator: regulator * @brighness: previous brightness value * @enable: regulator is enabled |
b1e6b7068 leds: add driver ... |
103 104 105 106 107 108 |
*/ struct lm3530_data { struct led_classdev led_dev; struct i2c_client *client; struct lm3530_platform_data *pdata; enum lm3530_mode mode; |
9b2da53f7 drivers/leds/leds... |
109 110 111 |
struct regulator *regulator; enum led_brightness brightness; bool enable; |
b1e6b7068 leds: add driver ... |
112 |
}; |
6335f8fa9 drivers/leds/leds... |
113 114 115 116 117 118 119 120 121 122 123 |
/* * struct lm3530_als_data * @config : value of ALS configuration register * @imp_sel : value of ALS resistor select register * @zone : values of ALS ZB(Zone Boundary) registers */ struct lm3530_als_data { u8 config; u8 imp_sel; u8 zones[LM3530_ALS_ZB_MAX]; }; |
b1e6b7068 leds: add driver ... |
124 125 126 127 |
static const u8 lm3530_reg[LM3530_REG_MAX] = { LM3530_GEN_CONFIG, LM3530_ALS_CONFIG, LM3530_BRT_RAMP_RATE, |
b1e6b7068 leds: add driver ... |
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 |
LM3530_ALS_IMP_SELECT, LM3530_BRT_CTRL_REG, LM3530_ALS_ZB0_REG, LM3530_ALS_ZB1_REG, LM3530_ALS_ZB2_REG, LM3530_ALS_ZB3_REG, LM3530_ALS_Z0T_REG, LM3530_ALS_Z1T_REG, LM3530_ALS_Z2T_REG, LM3530_ALS_Z3T_REG, LM3530_ALS_Z4T_REG, }; static int lm3530_get_mode_from_str(const char *str) { int i; for (i = 0; i < ARRAY_SIZE(mode_map); i++) if (sysfs_streq(str, mode_map[i].mode)) return mode_map[i].mode_val; |
e0e021600 leds-lm3530: Fix ... |
148 |
return -EINVAL; |
b1e6b7068 leds: add driver ... |
149 |
} |
6335f8fa9 drivers/leds/leds... |
150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 |
static void lm3530_als_configure(struct lm3530_platform_data *pdata, struct lm3530_als_data *als) { int i; u32 als_vmin, als_vmax, als_vstep; if (pdata->als_vmax == 0) { pdata->als_vmin = 0; pdata->als_vmax = LM3530_ALS_WINDOW_mV; } als_vmin = pdata->als_vmin; als_vmax = pdata->als_vmax; if ((als_vmax - als_vmin) > LM3530_ALS_WINDOW_mV) pdata->als_vmax = als_vmax = als_vmin + LM3530_ALS_WINDOW_mV; /* n zone boundary makes n+1 zones */ als_vstep = (als_vmax - als_vmin) / (LM3530_ALS_ZB_MAX + 1); for (i = 0; i < LM3530_ALS_ZB_MAX; i++) als->zones[i] = (((als_vmin + LM3530_ALS_OFFSET_mV) + als_vstep + (i * als_vstep)) * LED_FULL) / 1000; als->config = (pdata->als_avrg_time << LM3530_ALS_AVG_TIME_SHIFT) | (LM3530_ENABLE_ALS) | (pdata->als_input_mode << LM3530_ALS_SEL_SHIFT); als->imp_sel = (pdata->als1_resistor_sel << LM3530_ALS1_IMP_SHIFT) | (pdata->als2_resistor_sel << LM3530_ALS2_IMP_SHIFT); } |
5e3b7c6b1 leds: lm3530: Ens... |
183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 |
static int lm3530_led_enable(struct lm3530_data *drvdata) { int ret; if (drvdata->enable) return 0; ret = regulator_enable(drvdata->regulator); if (ret) { dev_err(drvdata->led_dev.dev, "Failed to enable vin:%d ", ret); return ret; } drvdata->enable = true; return 0; } static void lm3530_led_disable(struct lm3530_data *drvdata) { int ret; if (!drvdata->enable) return; ret = regulator_disable(drvdata->regulator); if (ret) { dev_err(drvdata->led_dev.dev, "Failed to disable vin:%d ", ret); return; } drvdata->enable = false; } |
b1e6b7068 leds: add driver ... |
218 219 220 221 222 |
static int lm3530_init_registers(struct lm3530_data *drvdata) { int ret = 0; int i; u8 gen_config; |
b1e6b7068 leds: add driver ... |
223 |
u8 brt_ramp; |
b1e6b7068 leds: add driver ... |
224 225 |
u8 brightness; u8 reg_val[LM3530_REG_MAX]; |
99ad98d25 leds-lm3530: repl... |
226 |
struct lm3530_platform_data *pdata = drvdata->pdata; |
b1e6b7068 leds: add driver ... |
227 |
struct i2c_client *client = drvdata->client; |
99ad98d25 leds-lm3530: repl... |
228 |
struct lm3530_pwm_data *pwm = &pdata->pwm_data; |
6335f8fa9 drivers/leds/leds... |
229 230 231 |
struct lm3530_als_data als; memset(&als, 0, sizeof(struct lm3530_als_data)); |
b1e6b7068 leds: add driver ... |
232 |
|
99ad98d25 leds-lm3530: repl... |
233 234 |
gen_config = (pdata->brt_ramp_law << LM3530_RAMP_LAW_SHIFT) | ((pdata->max_current & 7) << LM3530_MAX_CURR_SHIFT); |
b1e6b7068 leds: add driver ... |
235 |
|
cea694ca3 drivers/leds/leds... |
236 237 |
switch (drvdata->mode) { case LM3530_BL_MODE_MANUAL: |
6335f8fa9 drivers/leds/leds... |
238 239 |
gen_config |= LM3530_ENABLE_I2C; break; |
cea694ca3 drivers/leds/leds... |
240 241 |
case LM3530_BL_MODE_ALS: gen_config |= LM3530_ENABLE_I2C; |
6335f8fa9 drivers/leds/leds... |
242 |
lm3530_als_configure(pdata, &als); |
cea694ca3 drivers/leds/leds... |
243 244 245 246 247 248 |
break; case LM3530_BL_MODE_PWM: gen_config |= LM3530_ENABLE_PWM | LM3530_ENABLE_PWM_SIMPLE | (pdata->pwm_pol_hi << LM3530_PWM_POL_SHIFT); break; } |
b1e6b7068 leds: add driver ... |
249 |
|
99ad98d25 leds-lm3530: repl... |
250 251 |
brt_ramp = (pdata->brt_ramp_fall << LM3530_BRT_RAMP_FALL_SHIFT) | (pdata->brt_ramp_rise << LM3530_BRT_RAMP_RISE_SHIFT); |
b1e6b7068 leds: add driver ... |
252 |
|
9b2da53f7 drivers/leds/leds... |
253 254 255 |
if (drvdata->brightness) brightness = drvdata->brightness; else |
99ad98d25 leds-lm3530: repl... |
256 |
brightness = drvdata->brightness = pdata->brt_val; |
b1e6b7068 leds: add driver ... |
257 |
|
bbe645320 leds-lm3530: set ... |
258 259 |
if (brightness > drvdata->led_dev.max_brightness) brightness = drvdata->led_dev.max_brightness; |
b1e6b7068 leds: add driver ... |
260 |
reg_val[0] = gen_config; /* LM3530_GEN_CONFIG */ |
6335f8fa9 drivers/leds/leds... |
261 |
reg_val[1] = als.config; /* LM3530_ALS_CONFIG */ |
b1e6b7068 leds: add driver ... |
262 |
reg_val[2] = brt_ramp; /* LM3530_BRT_RAMP_RATE */ |
6335f8fa9 drivers/leds/leds... |
263 |
reg_val[3] = als.imp_sel; /* LM3530_ALS_IMP_SELECT */ |
8544d0e3f leds-lm3530: remo... |
264 |
reg_val[4] = brightness; /* LM3530_BRT_CTRL_REG */ |
6335f8fa9 drivers/leds/leds... |
265 266 267 268 |
reg_val[5] = als.zones[0]; /* LM3530_ALS_ZB0_REG */ reg_val[6] = als.zones[1]; /* LM3530_ALS_ZB1_REG */ reg_val[7] = als.zones[2]; /* LM3530_ALS_ZB2_REG */ reg_val[8] = als.zones[3]; /* LM3530_ALS_ZB3_REG */ |
8544d0e3f leds-lm3530: remo... |
269 270 271 272 273 |
reg_val[9] = LM3530_DEF_ZT_0; /* LM3530_ALS_Z0T_REG */ reg_val[10] = LM3530_DEF_ZT_1; /* LM3530_ALS_Z1T_REG */ reg_val[11] = LM3530_DEF_ZT_2; /* LM3530_ALS_Z2T_REG */ reg_val[12] = LM3530_DEF_ZT_3; /* LM3530_ALS_Z3T_REG */ reg_val[13] = LM3530_DEF_ZT_4; /* LM3530_ALS_Z4T_REG */ |
b1e6b7068 leds: add driver ... |
274 |
|
5e3b7c6b1 leds: lm3530: Ens... |
275 276 277 |
ret = lm3530_led_enable(drvdata); if (ret) return ret; |
9b2da53f7 drivers/leds/leds... |
278 |
|
b1e6b7068 leds: add driver ... |
279 |
for (i = 0; i < LM3530_REG_MAX; i++) { |
bb982009d leds-lm3530: supp... |
280 281 282 283 284 285 286 287 |
/* do not update brightness register when pwm mode */ if (lm3530_reg[i] == LM3530_BRT_CTRL_REG && drvdata->mode == LM3530_BL_MODE_PWM) { if (pwm->pwm_set_intensity) pwm->pwm_set_intensity(reg_val[i], drvdata->led_dev.max_brightness); continue; } |
b1e6b7068 leds: add driver ... |
288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 |
ret = i2c_smbus_write_byte_data(client, lm3530_reg[i], reg_val[i]); if (ret) break; } return ret; } static void lm3530_brightness_set(struct led_classdev *led_cdev, enum led_brightness brt_val) { int err; struct lm3530_data *drvdata = container_of(led_cdev, struct lm3530_data, led_dev); |
bb982009d leds-lm3530: supp... |
303 304 305 |
struct lm3530_platform_data *pdata = drvdata->pdata; struct lm3530_pwm_data *pwm = &pdata->pwm_data; u8 max_brightness = led_cdev->max_brightness; |
b1e6b7068 leds: add driver ... |
306 307 308 |
switch (drvdata->mode) { case LM3530_BL_MODE_MANUAL: |
9b2da53f7 drivers/leds/leds... |
309 310 311 312 313 314 315 316 317 |
if (!drvdata->enable) { err = lm3530_init_registers(drvdata); if (err) { dev_err(&drvdata->client->dev, "Register Init failed: %d ", err); break; } } |
b1e6b7068 leds: add driver ... |
318 319 |
/* set the brightness in brightness control register*/ err = i2c_smbus_write_byte_data(drvdata->client, |
bbe645320 leds-lm3530: set ... |
320 |
LM3530_BRT_CTRL_REG, brt_val); |
b1e6b7068 leds: add driver ... |
321 322 323 324 |
if (err) dev_err(&drvdata->client->dev, "Unable to set brightness: %d ", err); |
9b2da53f7 drivers/leds/leds... |
325 |
else |
bbe645320 leds-lm3530: set ... |
326 |
drvdata->brightness = brt_val; |
9b2da53f7 drivers/leds/leds... |
327 |
|
5e3b7c6b1 leds: lm3530: Ens... |
328 329 |
if (brt_val == 0) lm3530_led_disable(drvdata); |
b1e6b7068 leds: add driver ... |
330 331 332 333 |
break; case LM3530_BL_MODE_ALS: break; case LM3530_BL_MODE_PWM: |
bb982009d leds-lm3530: supp... |
334 335 |
if (pwm->pwm_set_intensity) pwm->pwm_set_intensity(brt_val, max_brightness); |
b1e6b7068 leds: add driver ... |
336 337 338 339 340 |
break; default: break; } } |
40b1445b1 arch/arm/mach-ux5... |
341 342 343 |
static ssize_t lm3530_mode_get(struct device *dev, struct device_attribute *attr, char *buf) { |
e13d97865 leds-lm3530: repl... |
344 345 |
struct led_classdev *led_cdev = dev_get_drvdata(dev); struct lm3530_data *drvdata; |
40b1445b1 arch/arm/mach-ux5... |
346 |
int i, len = 0; |
e13d97865 leds-lm3530: repl... |
347 |
drvdata = container_of(led_cdev, struct lm3530_data, led_dev); |
40b1445b1 arch/arm/mach-ux5... |
348 349 350 351 352 353 354 355 356 357 358 |
for (i = 0; i < ARRAY_SIZE(mode_map); i++) if (drvdata->mode == mode_map[i].mode_val) len += sprintf(buf + len, "[%s] ", mode_map[i].mode); else len += sprintf(buf + len, "%s ", mode_map[i].mode); len += sprintf(buf + len, " "); return len; } |
b1e6b7068 leds: add driver ... |
359 360 361 362 |
static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { |
e13d97865 leds-lm3530: repl... |
363 364 |
struct led_classdev *led_cdev = dev_get_drvdata(dev); struct lm3530_data *drvdata; |
bb982009d leds-lm3530: supp... |
365 366 |
struct lm3530_pwm_data *pwm; u8 max_brightness; |
e13d97865 leds-lm3530: repl... |
367 |
int mode, err; |
b1e6b7068 leds: add driver ... |
368 |
|
e13d97865 leds-lm3530: repl... |
369 |
drvdata = container_of(led_cdev, struct lm3530_data, led_dev); |
bb982009d leds-lm3530: supp... |
370 371 |
pwm = &drvdata->pdata->pwm_data; max_brightness = led_cdev->max_brightness; |
b1e6b7068 leds: add driver ... |
372 373 374 375 |
mode = lm3530_get_mode_from_str(buf); if (mode < 0) { dev_err(dev, "Invalid mode "); |
e0e021600 leds-lm3530: Fix ... |
376 |
return mode; |
b1e6b7068 leds: add driver ... |
377 |
} |
bb982009d leds-lm3530: supp... |
378 379 380 381 382 |
drvdata->mode = mode; /* set pwm to low if unnecessary */ if (mode != LM3530_BL_MODE_PWM && pwm->pwm_set_intensity) pwm->pwm_set_intensity(0, max_brightness); |
b1e6b7068 leds: add driver ... |
383 384 385 386 387 388 389 390 391 392 |
err = lm3530_init_registers(drvdata); if (err) { dev_err(dev, "Setting %s Mode failed :%d ", buf, err); return err; } return sizeof(drvdata->mode); } |
40b1445b1 arch/arm/mach-ux5... |
393 |
static DEVICE_ATTR(mode, 0644, lm3530_mode_get, lm3530_mode_set); |
b1e6b7068 leds: add driver ... |
394 |
|
74c850394 leds: lm3550: fix... |
395 396 397 398 399 |
static struct attribute *lm3530_attrs[] = { &dev_attr_mode.attr, NULL }; ATTRIBUTE_GROUPS(lm3530); |
98ea1ea20 leds: remove use ... |
400 |
static int lm3530_probe(struct i2c_client *client, |
b1e6b7068 leds: add driver ... |
401 402 |
const struct i2c_device_id *id) { |
87aae1ea8 leds: use dev_get... |
403 |
struct lm3530_platform_data *pdata = dev_get_platdata(&client->dev); |
b1e6b7068 leds: add driver ... |
404 405 406 407 408 409 |
struct lm3530_data *drvdata; int err = 0; if (pdata == NULL) { dev_err(&client->dev, "platform data required "); |
0b873f3d5 leds: convert LM3... |
410 |
return -ENODEV; |
b1e6b7068 leds: add driver ... |
411 412 413 414 415 416 |
} /* BL mode */ if (pdata->mode > LM3530_BL_MODE_PWM) { dev_err(&client->dev, "Illegal Mode request "); |
0b873f3d5 leds: convert LM3... |
417 |
return -EINVAL; |
b1e6b7068 leds: add driver ... |
418 419 420 421 422 |
} if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { dev_err(&client->dev, "I2C_FUNC_I2C not supported "); |
0b873f3d5 leds: convert LM3... |
423 |
return -EIO; |
b1e6b7068 leds: add driver ... |
424 |
} |
0b873f3d5 leds: convert LM3... |
425 426 427 428 |
drvdata = devm_kzalloc(&client->dev, sizeof(struct lm3530_data), GFP_KERNEL); if (drvdata == NULL) return -ENOMEM; |
b1e6b7068 leds: add driver ... |
429 430 431 432 |
drvdata->mode = pdata->mode; drvdata->client = client; drvdata->pdata = pdata; |
9b2da53f7 drivers/leds/leds... |
433 434 |
drvdata->brightness = LED_OFF; drvdata->enable = false; |
b1e6b7068 leds: add driver ... |
435 436 |
drvdata->led_dev.name = LM3530_LED_DEV; drvdata->led_dev.brightness_set = lm3530_brightness_set; |
bbe645320 leds-lm3530: set ... |
437 |
drvdata->led_dev.max_brightness = MAX_BRIGHTNESS; |
74c850394 leds: lm3550: fix... |
438 |
drvdata->led_dev.groups = lm3530_groups; |
b1e6b7068 leds: add driver ... |
439 440 |
i2c_set_clientdata(client, drvdata); |
a47df97c9 leds-lm3530: Use ... |
441 |
drvdata->regulator = devm_regulator_get(&client->dev, "vin"); |
9b2da53f7 drivers/leds/leds... |
442 443 444 445 446 |
if (IS_ERR(drvdata->regulator)) { dev_err(&client->dev, "regulator get failed "); err = PTR_ERR(drvdata->regulator); drvdata->regulator = NULL; |
0b873f3d5 leds: convert LM3... |
447 |
return err; |
b1e6b7068 leds: add driver ... |
448 |
} |
9b2da53f7 drivers/leds/leds... |
449 450 451 452 453 454 |
if (drvdata->pdata->brt_val) { err = lm3530_init_registers(drvdata); if (err < 0) { dev_err(&client->dev, "Register Init failed: %d ", err); |
e0e021600 leds-lm3530: Fix ... |
455 |
return err; |
9b2da53f7 drivers/leds/leds... |
456 457 458 |
} } err = led_classdev_register(&client->dev, &drvdata->led_dev); |
b1e6b7068 leds: add driver ... |
459 460 461 |
if (err < 0) { dev_err(&client->dev, "Register led class failed: %d ", err); |
e0e021600 leds-lm3530: Fix ... |
462 |
return err; |
b1e6b7068 leds: add driver ... |
463 |
} |
b1e6b7068 leds: add driver ... |
464 |
return 0; |
b1e6b7068 leds: add driver ... |
465 |
} |
678e8a6be leds: remove use ... |
466 |
static int lm3530_remove(struct i2c_client *client) |
b1e6b7068 leds: add driver ... |
467 468 |
{ struct lm3530_data *drvdata = i2c_get_clientdata(client); |
5e3b7c6b1 leds: lm3530: Ens... |
469 |
lm3530_led_disable(drvdata); |
b1e6b7068 leds: add driver ... |
470 |
led_classdev_unregister(&drvdata->led_dev); |
b1e6b7068 leds: add driver ... |
471 472 473 474 475 476 477 |
return 0; } static const struct i2c_device_id lm3530_id[] = { {LM3530_NAME, 0}, {} }; |
d5f33d45e drivers/leds/leds... |
478 |
MODULE_DEVICE_TABLE(i2c, lm3530_id); |
b1e6b7068 leds: add driver ... |
479 480 481 |
static struct i2c_driver lm3530_i2c_driver = { .probe = lm3530_probe, |
df07cf812 leds: remove use ... |
482 |
.remove = lm3530_remove, |
b1e6b7068 leds: add driver ... |
483 484 485 |
.id_table = lm3530_id, .driver = { .name = LM3530_NAME, |
b1e6b7068 leds: add driver ... |
486 487 |
}, }; |
09a0d183e leds: convert led... |
488 |
module_i2c_driver(lm3530_i2c_driver); |
b1e6b7068 leds: add driver ... |
489 490 491 492 |
MODULE_DESCRIPTION("Back Light driver for LM3530"); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Shreshtha Kumar SAHU <shreshthakumar.sahu@stericsson.com>"); |