41 static void lp55xx_reset_device(struct lp55xx_chip *chip)  in lp55xx_reset_device()  argument
43 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_reset_device()
48 	lp55xx_write(chip, addr, val);  in lp55xx_reset_device()
51 static int lp55xx_detect_device(struct lp55xx_chip *chip)  in lp55xx_detect_device()  argument
53 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_detect_device()
58 	ret = lp55xx_write(chip, addr, val);  in lp55xx_detect_device()
64 	ret = lp55xx_read(chip, addr, &val);  in lp55xx_detect_device()
74 static int lp55xx_post_init_device(struct lp55xx_chip *chip)  in lp55xx_post_init_device()  argument
76 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_post_init_device()
81 	return cfg->post_init_device(chip);  in lp55xx_post_init_device()
98 	struct lp55xx_chip *chip = led->chip;  in lp55xx_store_current()  local
107 	if (!chip->cfg->set_led_current)  in lp55xx_store_current()
110 	mutex_lock(&chip->lock);  in lp55xx_store_current()
111 	chip->cfg->set_led_current(led, (u8)curr);  in lp55xx_store_current()
112 	mutex_unlock(&chip->lock);  in lp55xx_store_current()
147 			struct lp55xx_chip *chip, int chan)  in lp55xx_init_led()  argument
149 	struct lp55xx_platform_data *pdata = chip->pdata;  in lp55xx_init_led()
150 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_init_led()
151 	struct device *dev = &chip->cl->dev;  in lp55xx_init_led()
182 			pdata->label ? : chip->cl->name, chan);  in lp55xx_init_led()
197 	struct lp55xx_chip *chip = context;  in lp55xx_firmware_loaded()  local
198 	struct device *dev = &chip->cl->dev;  in lp55xx_firmware_loaded()
199 	enum lp55xx_engine_index idx = chip->engine_idx;  in lp55xx_firmware_loaded()
207 	mutex_lock(&chip->lock);  in lp55xx_firmware_loaded()
209 	chip->engines[idx - 1].mode = LP55XX_ENGINE_LOAD;  in lp55xx_firmware_loaded()
210 	chip->fw = fw;  in lp55xx_firmware_loaded()
211 	if (chip->cfg->firmware_cb)  in lp55xx_firmware_loaded()
212 		chip->cfg->firmware_cb(chip);  in lp55xx_firmware_loaded()
214 	mutex_unlock(&chip->lock);  in lp55xx_firmware_loaded()
218 	release_firmware(chip->fw);  in lp55xx_firmware_loaded()
221 static int lp55xx_request_firmware(struct lp55xx_chip *chip)  in lp55xx_request_firmware()  argument
223 	const char *name = chip->cl->name;  in lp55xx_request_firmware()
224 	struct device *dev = &chip->cl->dev;  in lp55xx_request_firmware()
227 				GFP_KERNEL, chip, lp55xx_firmware_loaded);  in lp55xx_request_firmware()
235 	struct lp55xx_chip *chip = led->chip;  in lp55xx_show_engine_select()  local
237 	return sprintf(buf, "%d\n", chip->engine_idx);  in lp55xx_show_engine_select()
245 	struct lp55xx_chip *chip = led->chip;  in lp55xx_store_engine_select()  local
258 		mutex_lock(&chip->lock);  in lp55xx_store_engine_select()
259 		chip->engine_idx = val;  in lp55xx_store_engine_select()
260 		ret = lp55xx_request_firmware(chip);  in lp55xx_store_engine_select()
261 		mutex_unlock(&chip->lock);  in lp55xx_store_engine_select()
276 static inline void lp55xx_run_engine(struct lp55xx_chip *chip, bool start)  in lp55xx_run_engine()  argument
278 	if (chip->cfg->run_engine)  in lp55xx_run_engine()
279 		chip->cfg->run_engine(chip, start);  in lp55xx_run_engine()
287 	struct lp55xx_chip *chip = led->chip;  in lp55xx_store_engine_run()  local
296 		lp55xx_run_engine(chip, false);  in lp55xx_store_engine_run()
300 	mutex_lock(&chip->lock);  in lp55xx_store_engine_run()
301 	lp55xx_run_engine(chip, true);  in lp55xx_store_engine_run()
302 	mutex_unlock(&chip->lock);  in lp55xx_store_engine_run()
321 int lp55xx_write(struct lp55xx_chip *chip, u8 reg, u8 val)  in lp55xx_write()  argument
323 	return i2c_smbus_write_byte_data(chip->cl, reg, val);  in lp55xx_write()
327 int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val)  in lp55xx_read()  argument
331 	ret = i2c_smbus_read_byte_data(chip->cl, reg);  in lp55xx_read()
340 int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg, u8 mask, u8 val)  in lp55xx_update_bits()  argument
345 	ret = lp55xx_read(chip, reg, &tmp);  in lp55xx_update_bits()
352 	return lp55xx_write(chip, reg, tmp);  in lp55xx_update_bits()
356 bool lp55xx_is_extclk_used(struct lp55xx_chip *chip)  in lp55xx_is_extclk_used()  argument
361 	clk = devm_clk_get(&chip->cl->dev, "32k_clk");  in lp55xx_is_extclk_used()
374 	dev_info(&chip->cl->dev, "%dHz external clock used\n",	LP55XX_CLK_32K);  in lp55xx_is_extclk_used()
376 	chip->clk = clk;  in lp55xx_is_extclk_used()
380 	dev_info(&chip->cl->dev, "internal clock used\n");  in lp55xx_is_extclk_used()
385 int lp55xx_init_device(struct lp55xx_chip *chip)  in lp55xx_init_device()  argument
389 	struct device *dev = &chip->cl->dev;  in lp55xx_init_device()
392 	WARN_ON(!chip);  in lp55xx_init_device()
394 	pdata = chip->pdata;  in lp55xx_init_device()
395 	cfg = chip->cfg;  in lp55xx_init_device()
415 	lp55xx_reset_device(chip);  in lp55xx_init_device()
423 	ret = lp55xx_detect_device(chip);  in lp55xx_init_device()
430 	ret = lp55xx_post_init_device(chip);  in lp55xx_init_device()
439 	lp55xx_deinit_device(chip);  in lp55xx_init_device()
445 void lp55xx_deinit_device(struct lp55xx_chip *chip)  in lp55xx_deinit_device()  argument
447 	struct lp55xx_platform_data *pdata = chip->pdata;  in lp55xx_deinit_device()
449 	if (chip->clk)  in lp55xx_deinit_device()
450 		clk_disable_unprepare(chip->clk);  in lp55xx_deinit_device()
457 int lp55xx_register_leds(struct lp55xx_led *led, struct lp55xx_chip *chip)  in lp55xx_register_leds()  argument
459 	struct lp55xx_platform_data *pdata = chip->pdata;  in lp55xx_register_leds()
460 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_register_leds()
468 		dev_err(&chip->cl->dev, "empty brightness configuration\n");  in lp55xx_register_leds()
480 		ret = lp55xx_init_led(each, chip, i);  in lp55xx_register_leds()
486 		chip->num_leds++;  in lp55xx_register_leds()
487 		each->chip = chip;  in lp55xx_register_leds()
497 	lp55xx_unregister_leds(led, chip);  in lp55xx_register_leds()
502 void lp55xx_unregister_leds(struct lp55xx_led *led, struct lp55xx_chip *chip)  in lp55xx_unregister_leds()  argument
507 	for (i = 0; i < chip->num_leds; i++) {  in lp55xx_unregister_leds()
515 int lp55xx_register_sysfs(struct lp55xx_chip *chip)  in lp55xx_register_sysfs()  argument
517 	struct device *dev = &chip->cl->dev;  in lp55xx_register_sysfs()
518 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_register_sysfs()
534 void lp55xx_unregister_sysfs(struct lp55xx_chip *chip)  in lp55xx_unregister_sysfs()  argument
536 	struct device *dev = &chip->cl->dev;  in lp55xx_unregister_sysfs()
537 	struct lp55xx_device_config *cfg = chip->cfg;  in lp55xx_unregister_sysfs()