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authorChristian Marangi <ansuelsmth@gmail.com>2024-06-26 18:00:18 +0200
committerLee Jones <lee@kernel.org>2024-06-26 17:08:31 +0100
commite35bc5d8a023a55a5f895d6648a455ed83dc0db2 (patch)
tree5b94c619c384c513a8b00d08c58ed2f1c4f23f9e /drivers/leds
parent01e0290d17b2fb9717ee80fed512b32e0460b14c (diff)
downloadlwn-e35bc5d8a023a55a5f895d6648a455ed83dc0db2.tar.gz
lwn-e35bc5d8a023a55a5f895d6648a455ed83dc0db2.zip
leds: leds-lp55xx: Generalize turn_off_channels function
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>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-lp5523.c10
-rw-r--r--drivers/leds/leds-lp55xx-common.c10
-rw-r--r--drivers/leds/leds-lp55xx-common.h1
-rw-r--r--drivers/leds/leds-lp8501.c10
4 files changed, 13 insertions, 18 deletions
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 3030a4495808..4a4463cb44a4 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -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;
}
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index d17538ebfcf9..58121f27f17b 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -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;
diff --git a/drivers/leds/leds-lp55xx-common.h b/drivers/leds/leds-lp55xx-common.h
index e638049d9297..531fbb0acb2e 100644
--- a/drivers/leds/leds-lp55xx-common.h
+++ b/drivers/leds/leds-lp55xx-common.h
@@ -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);
diff --git a/drivers/leds/leds-lp8501.c b/drivers/leds/leds-lp8501.c
index d924572e4533..1fb876f64cb7 100644
--- a/drivers/leds/leds-lp8501.c
+++ b/drivers/leds/leds-lp8501.c
@@ -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;
}