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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-20 10:17:32 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-20 10:17:32 -0800
commita5527c6a586537c1af7ae6db30bb444ee4abdfe8 (patch)
treef0682de5c461c270f5f58b7304fd5ea5b5d6fb38 /drivers/video/backlight/corgi_bl.c
parent4afffe5eabc4005674a1ef4f4c96f1ae9f4a979b (diff)
parent8f27489d1105c2386e6ed71c35e74e0e69603cbc (diff)
Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight: backlight: Remove bogus SYSFS dependency backlight: simplify corgi_bl locking backlight: Separate backlight properties from backlight ops pointers backlight: Clean up pmac_backlight handling backlight: Improve backlight selection for fbdev drivers backlight: Rework backlight/fb interaction simplifying, lots backlight: Remove unneeded backlight update_status calls backlight: Remove uneeded update_status call from chipsfb.c backlight/fbcon: Add FB_EVENT_CONBLANK backlight: Fix Kconfig entries backlight: Remove uneeded nvidia set_power calls backlight: Convert semaphore -> mutex backlight: Fix external uses of backlight internal semaphore backlight: Minor code cleanups for hp680_bl.c backlight: Minor code cleanups for corgi_bl.c backlight: Remove excessive (un)likelys backlight: Remove unneeded owner field backlight: Fix error handling backlight: Add Frontpath ProGear HX1050+ driver backlight: Add maintainer entry
Diffstat (limited to 'drivers/video/backlight/corgi_bl.c')
-rw-r--r--drivers/video/backlight/corgi_bl.c54
1 files changed, 26 insertions, 28 deletions
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c
index fde1d9518123..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;
@@ -34,20 +33,18 @@ static unsigned long corgibl_flags;
static int corgibl_send_intensity(struct backlight_device *bd)
{
void (*corgi_kick_batt)(void);
- int intensity = bd->props->brightness;
+ int intensity = bd->props.brightness;
- if (bd->props->power != FB_BLANK_UNBLANK)
+ if (bd->props.power != FB_BLANK_UNBLANK)
intensity = 0;
- if (bd->props->fb_blank != FB_BLANK_UNBLANK)
+ if (bd->props.fb_blank != FB_BLANK_UNBLANK)
intensity = 0;
if (corgibl_flags & CORGIBL_SUSPENDED)
intensity = 0;
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;
@@ -61,17 +58,21 @@ static int corgibl_send_intensity(struct backlight_device *bd)
}
#ifdef CONFIG_PM
-static int corgibl_suspend(struct platform_device *dev, pm_message_t state)
+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(corgi_backlight_device);
+ backlight_update_status(bd);
return 0;
}
-static int corgibl_resume(struct platform_device *dev)
+static int corgibl_resume(struct platform_device *pdev)
{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
corgibl_flags &= ~CORGIBL_SUSPENDED;
- corgibl_send_intensity(corgi_backlight_device);
+ backlight_update_status(bd);
return 0;
}
#else
@@ -84,12 +85,6 @@ static int corgibl_get_intensity(struct backlight_device *bd)
return corgibl_intensity;
}
-static int corgibl_set_intensity(struct backlight_device *bd)
-{
- corgibl_send_intensity(corgi_backlight_device);
- return 0;
-}
-
/*
* Called when the battery is low to limit the backlight intensity.
* If limit==0 clear any limit, otherwise limit the intensity
@@ -100,15 +95,14 @@ 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);
-static struct backlight_properties corgibl_data = {
- .owner = THIS_MODULE,
+static struct backlight_ops corgibl_ops = {
.get_brightness = corgibl_get_intensity,
- .update_status = corgibl_set_intensity,
+ .update_status = corgibl_send_intensity,
};
static int corgibl_probe(struct platform_device *pdev)
@@ -116,30 +110,34 @@ static int corgibl_probe(struct platform_device *pdev)
struct corgibl_machinfo *machinfo = pdev->dev.platform_data;
bl_machinfo = machinfo;
- corgibl_data.max_brightness = machinfo->max_intensity;
if (!machinfo->limit_mask)
machinfo->limit_mask = -1;
corgi_backlight_device = backlight_device_register ("corgi-bl",
- &pdev->dev, NULL, &corgibl_data);
+ &pdev->dev, NULL, &corgibl_ops);
if (IS_ERR (corgi_backlight_device))
return PTR_ERR (corgi_backlight_device);
- corgibl_data.power = FB_BLANK_UNBLANK;
- corgibl_data.brightness = machinfo->default_intensity;
- corgibl_send_intensity(corgi_backlight_device);
+ platform_set_drvdata(pdev, corgi_backlight_device);
+
+ 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;
+ backlight_update_status(corgi_backlight_device);
printk("Corgi Backlight Driver Initialized.\n");
return 0;
}
-static int corgibl_remove(struct platform_device *dev)
+static int corgibl_remove(struct platform_device *pdev)
{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
corgibl_data.power = 0;
corgibl_data.brightness = 0;
- corgibl_send_intensity(corgi_backlight_device);
+ backlight_update_status(bd);
- backlight_device_unregister(corgi_backlight_device);
+ backlight_device_unregister(bd);
printk("Corgi Backlight Driver Unloaded\n");
return 0;