diff options
| author | Artur Weber <aweber.kernel@gmail.com> | 2023-08-09 14:42:16 +0300 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-08-18 18:37:51 +0300 |
| commit | dfd122fe8591d513b5e51313601217b67ae98d13 (patch) | |
| tree | 35169717806e11144bb06839aec448744db68b2d /drivers/video | |
| parent | fe1328b5b2a087221e31da77e617f4c2b70f3b7f (diff) | |
| download | linux-dfd122fe8591d513b5e51313601217b67ae98d13.tar.xz | |
backlight: lp855x: Drop ret variable in brightness change function
Fixes the following warning:
drivers/video/backlight/lp855x_bl.c:252:7: warning: variable 'ret' is used
uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Fixes: 5145531be5fb ("backlight: lp855x: Catch errors when changing brightness")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308091728.NEJhgUPP-lkp@intel.com/
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20230809114216.4078-1-aweber.kernel@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/lp855x_bl.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 61a7f45bfad8..da1f124db69c 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -241,19 +241,17 @@ static int lp855x_bl_update_status(struct backlight_device *bl) { struct lp855x *lp = bl_get_data(bl); int brightness = bl->props.brightness; - int ret; if (bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) brightness = 0; if (lp->mode == PWM_BASED) - ret = lp855x_pwm_ctrl(lp, brightness, + return lp855x_pwm_ctrl(lp, brightness, bl->props.max_brightness); else if (lp->mode == REGISTER_BASED) - ret = lp855x_write_byte(lp, lp->cfg->reg_brightness, + return lp855x_write_byte(lp, lp->cfg->reg_brightness, (u8)brightness); - - return ret; + return -EINVAL; } static const struct backlight_ops lp855x_bl_ops = { |