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    Subject[PATCH 3.4 04/60] backlight: atmel-pwm-bl: fix reported brightness
    Date
    3.4-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Johan Hovold <jhovold@gmail.com>

    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>

    ---
    drivers/video/backlight/atmel-pwm-bl.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- 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(st
    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(st
    pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY);
    }

    - return intensity;
    + return intensity & 0xffff;
    }

    static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl)



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