The LP55xx common driver has general LED attributes.
(led_current and max_current)
To set this current, specific register should be updated.
Therefore, actual operation is handled in each driver.
This call is invoked on initializing LEDs and
setting current by an user-space.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@xxxxxx>
---
drivers/leds/leds-lp5521.c | 9 +++++----
drivers/leds/leds-lp5523.c | 8 ++++++++
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index e029598..1791655 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -229,11 +229,11 @@ static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern)
return lp5521_write(client, LP5521_REG_OP_MODE, mode);
}
-static int lp5521_set_led_current(struct lp5521_chip *chip, int led, u8 curr)
+static void lp5521_set_led_current(struct lp55xx_led *led, u8 led_current)
{
- return lp5521_write(chip->client,
- LP5521_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr,
- curr);
+ led->led_current = led_current;
+ lp55xx_write(led->chip, LP5521_REG_LED_CURRENT_BASE + led->chan_nr,
+ led_current);
}
static int lp5521_post_init_device(struct lp55xx_chip *chip)
@@ -616,6 +616,7 @@ static struct lp55xx_device_config lp5521_cfg = {
},
.post_init_device = lp5521_post_init_device,
.brightness_work_fn = lp5521_led_brightness_work,
+ .set_led_current = lp5521_set_led_current,
};
static int __devinit lp5521_probe(struct i2c_client *client,
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index fbde823..5d383b2 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -467,6 +467,13 @@ static void lp5523_led_brightness_work(struct work_struct *work)
mutex_unlock(&chip->lock);
}
+static void lp5523_set_led_current(struct lp55xx_led *led, u8 led_current)
+{
+ led->led_current = led_current;
+ lp55xx_write(led->chip, LP5523_REG_LED_CURRENT_BASE + led->chan_nr,
+ led_current);
+}
+
static int lp5523_do_store_load(struct lp5523_engine *engine,
const char *buf, size_t len)
{
@@ -689,6 +696,7 @@ static struct lp55xx_device_config lp5523_cfg = {
},
.post_init_device = lp5523_post_init_device,
.brightness_work_fn = lp5523_led_brightness_work,
+ .set_led_current = lp5523_set_led_current,
};
static int __devinit lp5523_probe(struct i2c_client *client,
--
1.7.9.5
Best Regards,
Milo
--
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