Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=40f5a0ce2501d62d8653cb1fbfeb80e2a7013933
Commit: 40f5a0ce2501d62d8653cb1fbfeb80e2a7013933
Parent: 599a52d12629394236d785615808845823875868
Author: Richard Purdie <[EMAIL PROTECTED]>
AuthorDate: Sat Feb 10 23:50:39 2007 +0000
Committer: Richard Purdie <[EMAIL PROTECTED]>
CommitDate: Tue Feb 20 09:26:54 2007 +0000
backlight: simplify corgi_bl locking
Now update_status has locking, we can remove the mutex from corgi_bl.
Signed-off-by: Richard Purdie <[EMAIL PROTECTED]>
---
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 05f3681..ce00e18 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);
-
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