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| author | Richard Purdie <rpurdie@rpsys.net> | 2007-02-10 23:50:39 +0000 |
|---|---|---|
| committer | Richard Purdie <rpurdie@rpsys.net> | 2007-02-20 09:26:54 +0000 |
| commit | 40f5a0ce2501d62d8653cb1fbfeb80e2a7013933 (patch) | |
| tree | ef9f8c5d46d4a2aff70232e0a3b7db5017640573 /drivers | |
| parent | 599a52d12629394236d785615808845823875868 (diff) | |
| download | linux-40f5a0ce2501d62d8653cb1fbfeb80e2a7013933.tar.bz2 | |
backlight: simplify corgi_bl locking
Now update_status has locking, we can remove the mutex from corgi_bl.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/backlight/corgi_bl.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index 05f36811ac95..ce00e18a4e5d 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -22,7 +22,6 @@ #include <asm/hardware/sharpsl_pm.h> static int corgibl_intensity; -static DEFINE_MUTEX(bl_mutex); static struct backlight_properties corgibl_data; static struct backlight_device *corgi_backlight_device; static struct corgibl_machinfo *bl_machinfo; @@ -45,9 +44,7 @@ static int corgibl_send_intensity(struct backlight_device *bd) if (corgibl_flags & CORGIBL_BATTLOW) intensity &= bl_machinfo->limit_mask; - mutex_lock(&bl_mutex); bl_machinfo->set_bl_intensity(intensity); - mutex_unlock(&bl_mutex); corgibl_intensity = intensity; @@ -66,7 +63,7 @@ static int corgibl_suspend(struct platform_device *pdev, pm_message_t state) struct backlight_device *bd = platform_get_drvdata(pdev); corgibl_flags |= CORGIBL_SUSPENDED; - corgibl_send_intensity(bd); + backlight_update_status(bd); return 0; } @@ -75,7 +72,7 @@ static int corgibl_resume(struct platform_device *pdev) struct backlight_device *bd = platform_get_drvdata(pdev); corgibl_flags &= ~CORGIBL_SUSPENDED; - corgibl_send_intensity(bd); + backlight_update_status(bd); return 0; } #else @@ -98,7 +95,7 @@ void corgibl_limit_intensity(int limit) corgibl_flags |= CORGIBL_BATTLOW; else corgibl_flags &= ~CORGIBL_BATTLOW; - corgibl_send_intensity(corgi_backlight_device); + backlight_update_status(corgi_backlight_device); } EXPORT_SYMBOL(corgibl_limit_intensity); @@ -126,7 +123,7 @@ static int corgibl_probe(struct platform_device *pdev) corgi_backlight_device->props.max_brightness = machinfo->max_intensity; corgi_backlight_device->props.power = FB_BLANK_UNBLANK; corgi_backlight_device->props.brightness = machinfo->default_intensity; - corgibl_send_intensity(corgi_backlight_device); + backlight_update_status(corgi_backlight_device); printk("Corgi Backlight Driver Initialized.\n"); return 0; @@ -138,7 +135,7 @@ static int corgibl_remove(struct platform_device *pdev) corgibl_data.power = 0; corgibl_data.brightness = 0; - corgibl_send_intensity(bd); + backlight_update_status(bd); backlight_device_unregister(bd); |