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Date: Sun, 16 Jun 2024 23:52:10 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Pavel Machek <pavel@....cz>,
Lee Jones <lee@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Jacek Anaszewski <jacek.anaszewski@...il.com>,
linux-leds@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH v6 11/20] leds: leds-lp55xx: generalize multicolor_brightness function
Generalize multicolor_brightness function as the implementation is the
same for most of the lp55xx based LED driver.
Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
drivers/leds/leds-lp5521.c | 21 +--------------------
drivers/leds/leds-lp5523.c | 21 +--------------------
drivers/leds/leds-lp55xx-common.c | 21 +++++++++++++++++++++
drivers/leds/leds-lp55xx-common.h | 1 +
4 files changed, 24 insertions(+), 40 deletions(-)
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index e4d0dcdbf11b..dd7e996f22f9 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -222,25 +222,6 @@ static int lp5521_run_selftest(struct lp55xx_chip *chip, char *buf)
return 0;
}
-static int lp5521_multicolor_brightness(struct lp55xx_led *led)
-{
- struct lp55xx_chip *chip = led->chip;
- int ret;
- int i;
-
- mutex_lock(&chip->lock);
- for (i = 0; i < led->mc_cdev.num_colors; i++) {
- ret = lp55xx_write(chip,
- LP5521_REG_LED_PWM_BASE +
- led->mc_cdev.subled_info[i].channel,
- led->mc_cdev.subled_info[i].brightness);
- if (ret)
- break;
- }
- mutex_unlock(&chip->lock);
- return ret;
-}
-
static ssize_t show_engine_mode(struct device *dev,
struct device_attribute *attr,
char *buf, int nr)
@@ -381,7 +362,7 @@ static struct lp55xx_device_config lp5521_cfg = {
.max_channel = LP5521_MAX_LEDS,
.post_init_device = lp5521_post_init_device,
.brightness_fn = lp55xx_led_brightness,
- .multicolor_brightness_fn = lp5521_multicolor_brightness,
+ .multicolor_brightness_fn = lp55xx_multicolor_brightness,
.set_led_current = lp5521_set_led_current,
.firmware_cb = lp55xx_firmware_loaded_cb,
.run_engine = lp5521_run_engine,
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index a3b4063d504e..bfa0c4431ede 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -664,25 +664,6 @@ static ssize_t store_master_fader_leds(struct device *dev,
return ret;
}
-static int lp5523_multicolor_brightness(struct lp55xx_led *led)
-{
- struct lp55xx_chip *chip = led->chip;
- int ret;
- int i;
-
- mutex_lock(&chip->lock);
- for (i = 0; i < led->mc_cdev.num_colors; i++) {
- ret = lp55xx_write(chip,
- LP5523_REG_LED_PWM_BASE +
- led->mc_cdev.subled_info[i].channel,
- led->mc_cdev.subled_info[i].brightness);
- if (ret)
- break;
- }
- mutex_unlock(&chip->lock);
- return ret;
-}
-
static LP55XX_DEV_ATTR_RW(engine1_mode, show_engine1_mode, store_engine1_mode);
static LP55XX_DEV_ATTR_RW(engine2_mode, show_engine2_mode, store_engine2_mode);
static LP55XX_DEV_ATTR_RW(engine3_mode, show_engine3_mode, store_engine3_mode);
@@ -754,7 +735,7 @@ static struct lp55xx_device_config lp5523_cfg = {
.max_channel = LP5523_MAX_LEDS,
.post_init_device = lp5523_post_init_device,
.brightness_fn = lp55xx_led_brightness,
- .multicolor_brightness_fn = lp5523_multicolor_brightness,
+ .multicolor_brightness_fn = lp55xx_multicolor_brightness,
.set_led_current = lp5523_set_led_current,
.firmware_cb = lp55xx_firmware_loaded_cb,
.run_engine = lp5523_run_engine,
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 4d607849cd50..d3a18045df56 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -258,6 +258,27 @@ int lp55xx_led_brightness(struct lp55xx_led *led)
}
EXPORT_SYMBOL_GPL(lp55xx_led_brightness);
+int lp55xx_multicolor_brightness(struct lp55xx_led *led)
+{
+ struct lp55xx_chip *chip = led->chip;
+ const struct lp55xx_device_config *cfg = chip->cfg;
+ int ret;
+ int i;
+
+ mutex_lock(&chip->lock);
+ for (i = 0; i < led->mc_cdev.num_colors; i++) {
+ ret = lp55xx_write(chip,
+ cfg->reg_led_pwm_base.addr +
+ led->mc_cdev.subled_info[i].channel,
+ led->mc_cdev.subled_info[i].brightness);
+ if (ret)
+ break;
+ }
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lp55xx_multicolor_brightness);
+
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 4578418e5011..021dd17bc5d7 100644
--- a/drivers/leds/leds-lp55xx-common.h
+++ b/drivers/leds/leds-lp55xx-common.h
@@ -216,6 +216,7 @@ extern int lp55xx_update_program_memory(struct lp55xx_chip *chip,
const u8 *data, size_t size);
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);
/* common probe/remove function */
extern int lp55xx_probe(struct i2c_client *client);
--
2.43.0
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