diff options
Diffstat (limited to 'drivers/video/backlight/jornada720_bl.c')
| -rw-r--r-- | drivers/video/backlight/jornada720_bl.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c index 16f593b64427..fef6ce4fad71 100644 --- a/drivers/video/backlight/jornada720_bl.c +++ b/drivers/video/backlight/jornada720_bl.c @@ -48,7 +48,7 @@ static int jornada_bl_get_brightness(struct backlight_device *bd) jornada_ssp_end(); - return (BL_MAX_BRIGHT - ret); + return BL_MAX_BRIGHT - ret; } static int jornada_bl_update_status(struct backlight_device *bd) @@ -77,18 +77,23 @@ static int jornada_bl_update_status(struct backlight_device *bd) goto out; } - /* at this point we expect that the mcu has accepted - our command and is waiting for our new value - please note that maximum brightness is 255, - but due to physical layout it is equal to 0, so we simply - invert the value (MAX VALUE - NEW VALUE). */ - if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness) != TXDUMMY) { + /* + * at this point we expect that the mcu has accepted + * our command and is waiting for our new value + * please note that maximum brightness is 255, + * but due to physical layout it is equal to 0, so we simply + * invert the value (MAX VALUE - NEW VALUE). + */ + if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness) + != TXDUMMY) { pr_err("set brightness failed\n"); ret = -ETIMEDOUT; } - /* If infact we get an TXDUMMY as output we are happy and dont - make any further comments about it */ + /* + * If infact we get an TXDUMMY as output we are happy and dont + * make any further comments about it + */ out: jornada_ssp_end(); @@ -121,9 +126,11 @@ static int jornada_bl_probe(struct platform_device *pdev) bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = BL_DEF_BRIGHT; - /* note. make sure max brightness is set otherwise - you will get seemingly non-related errors when - trying to change brightness */ + /* + * note. make sure max brightness is set otherwise + * you will get seemingly non-related errors when + * trying to change brightness + */ jornada_bl_update_status(bd); platform_set_drvdata(pdev, bd); |