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| author | Johan Hovold <jhovold@gmail.com> | 2013-11-12 23:09:38 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-04 19:05:08 (GMT) |
| commit | 9753c75ab81ed8938f02b3da94562e45b45b9dae (patch) | |
| tree | f70d4d006a2ed1daeaa6f48d539741707f1bab24 /drivers/video | |
| parent | 745f3d7b0ffdac2a327555fad22c7f8161e0db5d (diff) | |
| download | linux-fsl-qoriq-9753c75ab81ed8938f02b3da94562e45b45b9dae.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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 1d5aa48..d18da91 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) |