diff options
| author |   Jingoo Han <jg1.han@samsung.com> | 2012-05-29 15:07:16 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:29 -0700 |
| commit | 35f961623cee5212d4ee0baa8c34b1766913b36b (patch) | |
| tree | a68358ec16195a57273cd22595368b3b3850864b /drivers/video/backlight/backlight.c | |
| parent | drivers/video/backlight/adp5520_bl.c: use kstrtoul() (diff) | |
| download | linux-dev-35f961623cee5212d4ee0baa8c34b1766913b36b.tar.xz linux-dev-35f961623cee5212d4ee0baa8c34b1766913b36b.zip | |
backlight: use pr_warn() and pr_debug() instead of printk()
Use pr_warn() and pr_debug() instead of printk to allow dynamic debugging.
The pr_fmt prefix for pr_ macros is used. Also fix checkpatch warnings
as below:
WARNING: Prefer pr_warn(... to printk(KERN_WARNING, ...
[akpm@linux-foundation.org: use KBUILD_MODNAME, per Joe]
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/backlight/backlight.c')
| -rw-r--r-- | drivers/video/backlight/backlight.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bf5b1ece7160..297db2fa91f5 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -5,6 +5,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> @@ -123,7 +125,7 @@ static ssize_t backlight_store_power(struct device *dev, rc = -ENXIO; mutex_lock(&bd->ops_lock); if (bd->ops) { - pr_debug("backlight: set power to %lu\n", power); + pr_debug("set power to %lu\n", power); if (bd->props.power != power) { bd->props.power = power; backlight_update_status(bd); @@ -161,8 +163,7 @@ static ssize_t backlight_store_brightness(struct device *dev, if (brightness > bd->props.max_brightness) rc = -EINVAL; else { - pr_debug("backlight: set brightness to %lu\n", - brightness); + pr_debug("set brightness to %lu\n", brightness); bd->props.brightness = brightness; backlight_update_status(bd); rc = count; @@ -378,8 +379,8 @@ static int __init backlight_class_init(void) { backlight_class = class_create(THIS_MODULE, "backlight"); if (IS_ERR(backlight_class)) { - printk(KERN_WARNING "Unable to create backlight class; errno = %ld\n", - PTR_ERR(backlight_class)); + pr_warn("Unable to create backlight class; errno = %ld\n", + PTR_ERR(backlight_class)); return PTR_ERR(backlight_class); } |