Messages in this thread | | | Date | Fri, 25 Oct 2013 13:08:36 +0200 | From | Jean-Christophe PLAGNIOL-VILLARD <> | Subject | Re: [PATCH 1/9] backlight: atmel-pwm-bl: fix reported brightness |
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On 11:55 Wed 23 Oct , Johan Hovold wrote: > 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; no cast mask it > } > > static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) > -- > 1.8.4 >
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