The return value of this function is not handled any place, so make it as void type.
And three if-statements are replaced with switch-statements. Signed-off-by: Milo(Woogyom) Kim <[email protected]> --- drivers/leds/leds-lp5523.c | 24 +++++++++++++----------- 1 files changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index f090819..f8231f1 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -150,7 +150,7 @@ static inline struct lp5523_chip *led_to_lp5523(struct lp5523_led *led) leds[led->id]); } -static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode); +static void lp5523_set_mode(struct lp5523_engine *engine, u8 mode); static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode); static int lp5523_load_program(struct lp5523_engine *engine, const u8 *pattern); @@ -789,26 +789,28 @@ static void lp5523_unregister_sysfs(struct i2c_client *client) /*--------------------------------------------------------------*/ /* Set chip operating mode */ /*--------------------------------------------------------------*/ -static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode) +static void lp5523_set_mode(struct lp5523_engine *engine, u8 mode) { - int ret = 0; - /* if in that mode already do nothing, except for run */ if (mode == engine->mode && mode != LP5523_CMD_RUN) - return 0; + return; - if (mode == LP5523_CMD_RUN) { - ret = lp5523_run_program(engine); - } else if (mode == LP5523_CMD_LOAD) { + switch (mode) { + case LP5523_CMD_RUN: + lp5523_run_program(engine); + break; + case LP5523_CMD_LOAD: lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED); lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); - } else if (mode == LP5523_CMD_DISABLED) { + break; + case LP5523_CMD_DISABLED: lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED); + break; + default: + return; } engine->mode = mode; - - return ret; } /*--------------------------------------------------------------*/ -- 1.7.2.5 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/
