From: Johan Hovold Date: Tue, 5 Nov 2013 05:56:41 +0000 (+1100) Subject: backlight: atmel-pwm-bl: fix reported brightness X-Git-Tag: next-20131105~2^2~131 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=715427907f1d00d5cd5a04a26d089e2f29adb4d3;p=karo-tx-linux.git backlight: atmel-pwm-bl: fix reported brightness The driver supports 16-bit brightness values, but the value returned from get_brightness was truncated to eight bits. Signed-off-by: Johan Hovold Cc: Jingoo Han Cc: Signed-off-by: Andrew Morton --- diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 8993c24ce705..8e33ebccd4ff 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)