diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-03 10:25:08 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-03 10:25:08 -0400 |
| commit | 0a1340c185734a57fbf4775927966ad4a1347b02 (patch) | |
| tree | d9ed8f0dd809a7c542a3356601125ea5b5aaa804 /drivers/video/chipsfb.c | |
| parent | af18ddb8864b096e3ed4732e2d4b21c956dcfe3a (diff) | |
| parent | 29454dde27d8e340bb1987bad9aa504af7081eba (diff) | |
Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/linux/kernel.h
Diffstat (limited to 'drivers/video/chipsfb.c')
| -rw-r--r-- | drivers/video/chipsfb.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/video/chipsfb.c b/drivers/video/chipsfb.c index 72ff6bf75e5..0e465c80ef2 100644 --- a/drivers/video/chipsfb.c +++ b/drivers/video/chipsfb.c @@ -14,7 +14,6 @@ * more details. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -148,9 +147,24 @@ static int chipsfb_set_par(struct fb_info *info) static int chipsfb_blank(int blank, struct fb_info *info) { #ifdef CONFIG_PMAC_BACKLIGHT - // used to disable backlight only for blank > 1, but it seems - // useful at blank = 1 too (saves battery, extends backlight life) - set_backlight_enable(!blank); + mutex_lock(&pmac_backlight_mutex); + + if (pmac_backlight) { + down(&pmac_backlight->sem); + + /* used to disable backlight only for blank > 1, but it seems + * useful at blank = 1 too (saves battery, extends backlight + * life) + */ + if (blank) + pmac_backlight->props->power = FB_BLANK_POWERDOWN; + else + pmac_backlight->props->power = FB_BLANK_UNBLANK; + pmac_backlight->props->update_status(pmac_backlight); + up(&pmac_backlight->sem); + } + + mutex_unlock(&pmac_backlight_mutex); #endif /* CONFIG_PMAC_BACKLIGHT */ return 1; /* get fb_blank to set the colormap to all black */ @@ -401,7 +415,14 @@ chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent) #ifdef CONFIG_PMAC_BACKLIGHT /* turn on the backlight */ - set_backlight_enable(1); + mutex_lock(&pmac_backlight_mutex); + if (pmac_backlight) { + down(&pmac_backlight->sem); + pmac_backlight->props->power = FB_BLANK_UNBLANK; + pmac_backlight->props->update_status(pmac_backlight); + up(&pmac_backlight->sem); + } + mutex_unlock(&pmac_backlight_mutex); #endif /* CONFIG_PMAC_BACKLIGHT */ #ifdef CONFIG_PPC |