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backlight: Separate backlight properties from backlight ops pointers

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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 <[email protected]>
This commit is contained in:
Richard Purdie 2007-02-10 23:07:48 +00:00
commit 599a52d126
24 changed files with 223 additions and 254 deletions
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23
drivers/macintosh/via-pmu-backlight.c
View file

@ -15,7 +15,7 @@
#define MAX_PMU_LEVEL 0xFF
static struct backlight_properties pmu_backlight_data;
static struct backlight_ops pmu_backlight_data;
static DEFINE_SPINLOCK(pmu_backlight_lock);
static int sleeping;
static u8 bl_curve[FB_BACKLIGHT_LEVELS];
@ -72,7 +72,7 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
{
struct adb_request req;
unsigned long flags;
int level = bd->props->brightness;
int level = bd->props.brightness;
spin_lock_irqsave(&pmu_backlight_lock, flags);
@ -80,8 +80,8 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
if (sleeping)
goto out;
if (bd->props->power != FB_BLANK_UNBLANK ||
bd->props->fb_blank != FB_BLANK_UNBLANK)
if (bd->props.power != FB_BLANK_UNBLANK ||
bd->props.fb_blank != FB_BLANK_UNBLANK)
level = 0;
if (level > 0) {
@ -107,13 +107,13 @@ out:
static int pmu_backlight_get_brightness(struct backlight_device *bd)
{
return bd->props->brightness;
return bd->props.brightness;
}
static struct backlight_properties pmu_backlight_data = {
static struct backlight_ops pmu_backlight_data = {
.get_brightness = pmu_backlight_get_brightness,
.update_status = pmu_backlight_update_status,
.max_brightness = (FB_BACKLIGHT_LEVELS - 1),
};
#ifdef CONFIG_PM
@ -151,9 +151,10 @@ void __init pmu_backlight_init()
printk("pmubl: Backlight registration failed\n");
goto error;
}
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
pmu_backlight_init_curve(0x7F, 0x46, 0x0E);
level = pmu_backlight_data.max_brightness;
level = bd->props.max_brightness;
if (autosave) {
/* read autosaved value if available */
@ -163,11 +164,11 @@ void __init pmu_backlight_init()
level = pmu_backlight_curve_lookup(
(req.reply[0] >> 4) *
pmu_backlight_data.max_brightness / 15);
bd->props.max_brightness / 15);
}
bd->props->brightness = level;
bd->props->power = FB_BLANK_UNBLANK;
bd->props.brightness = level;
bd->props.power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
printk("pmubl: Backlight initialized (%s)\n", name);