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| author | Jingoo Han <jg1.han@samsung.com> | 2012-05-30 00:07:16 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-30 01:22:29 +0200 |
| commit | 35f961623cee5212d4ee0baa8c34b1766913b36b (patch) | |
| tree | a68358ec16195a57273cd22595368b3b3850864b /drivers/video/backlight/lcd.c | |
| parent | drivers/video/backlight/adp5520_bl.c: use kstrtoul() (diff) | |
| download | linux-35f961623cee5212d4ee0baa8c34b1766913b36b.tar.xz linux-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/lcd.c')
| -rw-r--r-- | drivers/video/backlight/lcd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index 1c298d5bf3af..a5d0d024bb92 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -5,6 +5,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> @@ -116,7 +118,7 @@ static ssize_t lcd_store_power(struct device *dev, mutex_lock(&ld->ops_lock); if (ld->ops && ld->ops->set_power) { - pr_debug("lcd: set power to %lu\n", power); + pr_debug("set power to %lu\n", power); ld->ops->set_power(ld, power); rc = count; } @@ -152,7 +154,7 @@ static ssize_t lcd_store_contrast(struct device *dev, mutex_lock(&ld->ops_lock); if (ld->ops && ld->ops->set_contrast) { - pr_debug("lcd: set contrast to %lu\n", contrast); + pr_debug("set contrast to %lu\n", contrast); ld->ops->set_contrast(ld, contrast); rc = count; } @@ -263,8 +265,8 @@ static int __init lcd_class_init(void) { lcd_class = class_create(THIS_MODULE, "lcd"); if (IS_ERR(lcd_class)) { - printk(KERN_WARNING "Unable to create backlight class; errno = %ld\n", - PTR_ERR(lcd_class)); + pr_warn("Unable to create backlight class; errno = %ld\n", + PTR_ERR(lcd_class)); return PTR_ERR(lcd_class); } |