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leds: leds-lp55xx: Generalize turn_off_channels function

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Generalize turn_off_channels function as the implementation is the same for
most of the lp55xx based LED driver.

Suggested-by: Lee Jones <lee@kernel.org>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20240626160027.19703-14-ansuelsmth@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Christian Marangi 2024-06-26 18:00:18 +02:00 committed by Lee Jones
parent 01e0290d17
commit e35bc5d8a0
4 changed files with 13 additions and 18 deletions
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10
drivers/leds/leds-lp5523.c
View File

@ -167,20 +167,12 @@ static void lp5523_stop_engine(struct lp55xx_chip *chip)
lp5523_wait_opmode_done();
}
static void lp5523_turn_off_channels(struct lp55xx_chip *chip)
{
int i;
for (i = 0; i < LP5523_MAX_LEDS; i++)
lp55xx_write(chip, LP5523_REG_LED_PWM_BASE + i, 0);
}
static void lp5523_run_engine(struct lp55xx_chip *chip, bool start)
{
/* stop engine */
if (!start) {
lp5523_stop_engine(chip);
lp5523_turn_off_channels(chip);
lp55xx_turn_off_channels(chip);
return;
}

10
drivers/leds/leds-lp55xx-common.c
View File

@ -288,6 +288,16 @@ void lp55xx_set_led_current(struct lp55xx_led *led, u8 led_current)
}
EXPORT_SYMBOL_GPL(lp55xx_set_led_current);
void lp55xx_turn_off_channels(struct lp55xx_chip *chip)
{
const struct lp55xx_device_config *cfg = chip->cfg;
int i;
for (i = 0; i < cfg->max_channel; i++)
lp55xx_write(chip, cfg->reg_led_pwm_base.addr + i, 0);
}
EXPORT_SYMBOL_GPL(lp55xx_turn_off_channels);
static void lp55xx_reset_device(struct lp55xx_chip *chip)
{
const struct lp55xx_device_config *cfg = chip->cfg;

1
drivers/leds/leds-lp55xx-common.h
View File

@ -220,6 +220,7 @@ extern void lp55xx_firmware_loaded_cb(struct lp55xx_chip *chip);
extern int lp55xx_led_brightness(struct lp55xx_led *led);
extern int lp55xx_multicolor_brightness(struct lp55xx_led *led);
extern void lp55xx_set_led_current(struct lp55xx_led *led, u8 led_current);
extern void lp55xx_turn_off_channels(struct lp55xx_chip *chip);
/* common probe/remove function */
extern int lp55xx_probe(struct i2c_client *client);

10
drivers/leds/leds-lp8501.c
View File

@ -110,20 +110,12 @@ static int lp8501_post_init_device(struct lp55xx_chip *chip)
LP8501_PWR_CONFIG_M, chip->pdata->pwr_sel);
}
static void lp8501_turn_off_channels(struct lp55xx_chip *chip)
{
int i;
for (i = 0; i < LP8501_MAX_LEDS; i++)
lp55xx_write(chip, LP8501_REG_LED_PWM_BASE + i, 0);
}
static void lp8501_run_engine(struct lp55xx_chip *chip, bool start)
{
/* stop engine */
if (!start) {
lp55xx_stop_all_engine(chip);
lp8501_turn_off_channels(chip);
lp55xx_turn_off_channels(chip);
return;
}