From 715427907f1d00d5cd5a04a26d089e2f29adb4d3 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Tue, 5 Nov 2013 16:56:41 +1100 Subject: [PATCH] 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 --- 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 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) -- 2.39.5