Messages in this thread Patch in this message | | | From | Johan Hovold <> | Subject | [PATCH 1/9] backlight: atmel-pwm-bl: fix reported brightness | Date | Wed, 23 Oct 2013 11:55:35 +0200 |
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The driver supports 16-bit brightness values, but the value returned from get_brightness was truncated to eight bits.
Cc: stable@vger.kernel.org Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Johan Hovold <jhovold@gmail.com> --- drivers/video/backlight/atmel-pwm-bl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 66885fb..8aac273 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 (u16)intensity; } static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) -- 1.8.4
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