diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2013-01-22 17:39:54 +0400 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-01-31 16:47:51 +0400 |
| commit | 83cfd72669ff708c9d21f214606be785ea8a685c (patch) | |
| tree | 1db0fd4fd6f130766f3777f1b81d4891f73dd754 /drivers/video/backlight/pwm_bl.c | |
| parent | 928c44775bbf312332c5cb8df7c7451c1d8fba25 (diff) | |
| download | linux-83cfd72669ff708c9d21f214606be785ea8a685c.tar.xz | |
pwm_backlight: Validate dft_brightness in main probe function
Move the dft_brightness validity check from the DT parsing function to the
main probe. In this way we can validate it in case we are booting with or
without DT.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/video/backlight/pwm_bl.c')
| -rw-r--r-- | drivers/video/backlight/pwm_bl.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 4af6d1302f17..a71ef4a79ec4 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -134,12 +134,6 @@ static int pwm_backlight_parse_dt(struct device *dev, if (ret < 0) return ret; - if (value >= data->max_brightness) { - dev_warn(dev, "invalid default brightness level: %u, using %u\n", - value, data->max_brightness - 1); - value = data->max_brightness - 1; - } - data->dft_brightness = value; data->max_brightness--; } @@ -248,6 +242,13 @@ static int pwm_backlight_probe(struct platform_device *pdev) goto err_alloc; } + if (data->dft_brightness > data->max_brightness) { + dev_warn(&pdev->dev, + "invalid default brightness level: %u, using %u\n", + data->dft_brightness, data->max_brightness); + data->dft_brightness = data->max_brightness; + } + bl->props.brightness = data->dft_brightness; backlight_update_status(bl); |