diff options
Diffstat (limited to 'drivers/video/backlight/lcd.c')
| -rw-r--r-- | drivers/video/backlight/lcd.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index 79c1b0d609a8..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> @@ -32,6 +34,8 @@ static int fb_notifier_callback(struct notifier_block *self, case FB_EVENT_BLANK: case FB_EVENT_MODE_CHANGE: case FB_EVENT_MODE_CHANGE_ALL: + case FB_EARLY_EVENT_BLANK: + case FB_R_EARLY_EVENT_BLANK: break; default: return 0; @@ -46,6 +50,14 @@ static int fb_notifier_callback(struct notifier_block *self, if (event == FB_EVENT_BLANK) { if (ld->ops->set_power) ld->ops->set_power(ld, *(int *)evdata->data); + } else if (event == FB_EARLY_EVENT_BLANK) { + if (ld->ops->early_set_power) + ld->ops->early_set_power(ld, + *(int *)evdata->data); + } else if (event == FB_R_EARLY_EVENT_BLANK) { + if (ld->ops->r_early_set_power) + ld->ops->r_early_set_power(ld, + *(int *)evdata->data); } else { if (ld->ops->set_mode) ld->ops->set_mode(ld, evdata->data); @@ -106,7 +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; } @@ -142,7 +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; } @@ -253,8 +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); } |