LP5521 has max 3 channels. On the other hand, LP5523/55231 provides up to 9 channels. A number of channels is used for validating platform data channel number while initializing LEDs.(lp55xx_init_leds) To support this, max_channel is configured in each driver.
Signed-off-by: Milo(Woogyom) Kim <[email protected]> --- drivers/leds/leds-lp5521.c | 1 + drivers/leds/leds-lp5523.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 1791655..4076f54 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -606,6 +606,7 @@ static void lp5521_unregister_sysfs(struct i2c_client *client) /* Chip specific configurations */ static struct lp55xx_device_config lp5521_cfg = { + .max_channel = LP5521_MAX_LEDS, .reset = { .addr = LP5521_REG_RESET, .val = LP5521_RESET, diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index 5d383b2..85521f8 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -38,6 +38,8 @@ #include "leds-lp55xx-common.h" +#define LP5523_MAX_LEDS 9 + #define LP5523_REG_ENABLE 0x00 #define LP5523_REG_OP_MODE 0x01 #define LP5523_REG_RATIOMETRIC_MSB 0x02 @@ -686,6 +688,7 @@ static void lp5523_set_mode(struct lp5523_engine *engine, u8 mode) /* Chip specific configurations */ static struct lp55xx_device_config lp5523_cfg = { + .max_channel = LP5523_MAX_LEDS, .reset = { .addr = LP5523_REG_RESET, .val = LP5523_RESET, -- 1.7.9.5 Best Regards, Milo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
