diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-11-13 03:09:38 +0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2014-01-03 08:33:21 +0400 |
| commit | 281f5afc26c7d7604685c8c1d686154f3354a5d1 (patch) | |
| tree | 6ff2676d0a0bca9f57616b47e5712122eddf557f /drivers/video | |
| parent | 373dcf178f11e09037edea51478f8340dcb583e3 (diff) | |
| download | linux-281f5afc26c7d7604685c8c1d686154f3354a5d1.tar.xz | |
backlight: atmel-pwm-bl: fix reported brightness
commit 185d91442550110db67a7dc794a32efcea455a36 upstream.
The driver supports 16-bit brightness values, but the value returned
from get_brightness was truncated to eight bits.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/atmel-pwm-bl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 0443a4f71858..4d2bbd893e88 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -70,7 +70,7 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) static int atmel_pwm_bl_get_intensity(struct backlight_device *bd) { struct atmel_pwm_bl *pwmbl = bl_get_data(bd); - u8 intensity; + u32 intensity; if (pwmbl->pdata->pwm_active_low) { intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) - @@ -80,7 +80,7 @@ static int atmel_pwm_bl_get_intensity(struct backlight_device *bd) pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY); } - return intensity; + return intensity & 0xffff; } static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) |