diff options
author | William Lai <b04597@freescale.com> | 2010-04-01 13:19:07 +0800 |
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committer | William Lai <b04597@freescale.com> | 2010-04-01 13:22:59 +0800 |
commit | 18949e8dbb1b4b501dbaf09a6bcf702f917e5423 (patch) | |
tree | 7d36e35c4812ee35c4048c65e2ce03bb2bc743cb /drivers | |
parent | 68930b149682758dcf5dd0e5b296cefd3b7e22a6 (diff) |
ENGR00122206 MX53-EVK pwm-backlight: PWM backlight enhancement
Don't trun off the pwm backlight when blanking the fore-ground.
Signed-off-by: William Lai <b04597@freescale.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/video/backlight/pwm_bl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 887166267443..29024e83b36a 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -56,9 +56,19 @@ static int pwm_backlight_get_brightness(struct backlight_device *bl) return bl->props.brightness; } +static int pwm_backlight_check_fb(struct fb_info *info) +{ + char *id = info->fix.id; + if (!strcmp(id, "DISP3 BG")) + return 1; + else + return 0; +} + static struct backlight_ops pwm_backlight_ops = { .update_status = pwm_backlight_update_status, .get_brightness = pwm_backlight_get_brightness, + .check_fb = pwm_backlight_check_fb, }; static int pwm_backlight_probe(struct platform_device *pdev) |