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authorRichard Purdie <rpurdie@rpsys.net>2007-02-10 23:07:48 +0000
committerRichard Purdie <rpurdie@rpsys.net>2007-02-20 09:26:53 +0000
commit599a52d12629394236d785615808845823875868 (patch)
tree4e2dfa3a25ce761be0ecc0490acabac553f77a67 /drivers/misc
parent321709c5994f952b78d567fd7083dbebbdc381b7 (diff)
backlight: Separate backlight properties from backlight ops pointers
Per device data such as brightness belongs to the indivdual device and should therefore be separate from the the backlight operation function pointers. This patch splits the two types of data and allows simplifcation of some code. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/asus-laptop.c16
-rw-r--r--drivers/misc/msi-laptop.c9
2 files changed, 13 insertions, 12 deletions
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 7ace5b9a3d2..295e931c0df 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -195,10 +195,9 @@ static struct backlight_device *asus_backlight_device;
*/
static int read_brightness(struct backlight_device *bd);
static int update_bl_status(struct backlight_device *bd);
-static struct backlight_properties asusbl_data = {
+static struct backlight_ops asusbl_ops = {
.get_brightness = read_brightness,
.update_status = update_bl_status,
- .max_brightness = 15,
};
/* These functions actually update the LED's, and are called from a
@@ -348,7 +347,7 @@ static void lcd_blank(int blank)
struct backlight_device *bd = asus_backlight_device;
if (bd) {
- bd->props->power = blank;
+ bd->props.power = blank;
backlight_update_status(bd);
}
}
@@ -381,13 +380,13 @@ static int set_brightness(struct backlight_device *bd, int value)
static int update_bl_status(struct backlight_device *bd)
{
int rv;
- int value = bd->props->brightness;
+ int value = bd->props.brightness;
rv = set_brightness(bd, value);
if (rv)
return rv;
- value = (bd->props->power == FB_BLANK_UNBLANK) ? 1 : 0;
+ value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0;
return set_lcd_state(value);
}
@@ -1013,7 +1012,7 @@ static int asus_backlight_init(struct device *dev)
if (brightness_set_handle && lcd_switch_handle) {
bd = backlight_device_register(ASUS_HOTK_FILE, dev,
- NULL, &asusbl_data);
+ NULL, &asusbl_ops);
if (IS_ERR(bd)) {
printk(ASUS_ERR
"Could not register asus backlight device\n");
@@ -1023,8 +1022,9 @@ static int asus_backlight_init(struct device *dev)
asus_backlight_device = bd;
- bd->props->brightness = read_brightness(NULL);
- bd->props->power = FB_BLANK_UNBLANK;
+ bd->props.max_brightness = 15;
+ bd->props.brightness = read_brightness(NULL);
+ bd->props.power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
}
return 0;
diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c
index dd4d92e031b..68c4b58525b 100644
--- a/drivers/misc/msi-laptop.c
+++ b/drivers/misc/msi-laptop.c
@@ -157,13 +157,12 @@ static int bl_get_brightness(struct backlight_device *b)
static int bl_update_status(struct backlight_device *b)
{
- return set_lcd_level(b->props->brightness);
+ return set_lcd_level(b->props.brightness);
}
-static struct backlight_properties msibl_props = {
+static struct backlight_ops msibl_ops = {
.get_brightness = bl_get_brightness,
.update_status = bl_update_status,
- .max_brightness = MSI_LCD_LEVEL_MAX-1,
};
static struct backlight_device *msibl_device;
@@ -317,10 +316,12 @@ static int __init msi_init(void)
/* Register backlight stuff */
msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL,
- &msibl_props);
+ &msibl_ops);
if (IS_ERR(msibl_device))
return PTR_ERR(msibl_device);
+ msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1,
+
ret = platform_driver_register(&msipf_driver);
if (ret)
goto fail_backlight;