diff options
| author | Kim, Milo <Milo.Kim@ti.com> | 2012-08-21 17:03:58 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@canonical.com> | 2012-09-11 18:32:41 +0800 |
| commit | 6f6365fbac2d6bcf6867c633d3ec33af08b5b219 (patch) | |
| tree | 236524d4c11381a31850871bfb8aaa7ba95502b4 /drivers/leds/leds-lp5523.c | |
| parent | a39b9854c79cc9ac7b7b6fed58cf07da23f1f41e (diff) | |
leds-lp5523: change the return type of lp5523_set_mode()
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 <milo.kim@ti.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'drivers/leds/leds-lp5523.c')
| -rw-r--r-- | 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 2fd5689f65c..a14495402cc 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; } /*--------------------------------------------------------------*/ |