diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 10:55:03 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 10:55:03 +0200 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /drivers/video/backlight/pwm_bl.c | |
| parent | [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include (diff) | |
| parent | kbuild: a better way to generate cscope database change (diff) | |
| download | linux-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz linux-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'drivers/video/backlight/pwm_bl.c')
| -rw-r--r-- | drivers/video/backlight/pwm_bl.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 6338d0e2fe07..ea07258565f0 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -68,8 +68,10 @@ static int pwm_backlight_probe(struct platform_device *pdev) struct pwm_bl_data *pb; int ret; - if (!data) + if (!data) { + dev_err(&pdev->dev, "failed to find platform data\n"); return -EINVAL; + } if (data->init) { ret = data->init(&pdev->dev); @@ -79,6 +81,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb = kzalloc(sizeof(*pb), GFP_KERNEL); if (!pb) { + dev_err(&pdev->dev, "no memory for state\n"); ret = -ENOMEM; goto err_alloc; } @@ -91,7 +94,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) dev_err(&pdev->dev, "unable to request PWM for backlight\n"); ret = PTR_ERR(pb->pwm); goto err_pwm; - } + } else + dev_dbg(&pdev->dev, "got pwm for backlight\n"); bl = backlight_device_register(pdev->name, &pdev->dev, pb, &pwm_backlight_ops); @@ -183,3 +187,5 @@ module_exit(pwm_backlight_exit); MODULE_DESCRIPTION("PWM based Backlight Driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:pwm-backlight"); + |