static int chipsfb_blank(int blank, struct fb_info *info)
{
#ifdef CONFIG_PMAC_BACKLIGHT
- // used to disable backlight only for blank > 1, but it seems
- // useful at blank = 1 too (saves battery, extends backlight life)
- set_backlight_enable(!blank);
+ mutex_lock(&pmac_backlight_mutex);
+
+ if (pmac_backlight) {
+ down(&pmac_backlight->sem);
+
+ /* used to disable backlight only for blank > 1, but it seems
+ * useful at blank = 1 too (saves battery, extends backlight
+ * life)
+ */
+ if (blank)
+ pmac_backlight->props->power = FB_BLANK_POWERDOWN;
+ else
+ pmac_backlight->props->power = FB_BLANK_UNBLANK;
+ pmac_backlight->props->update_status(pmac_backlight);
+ up(&pmac_backlight->sem);
+ }
+
+ mutex_unlock(&pmac_backlight_mutex);
#endif /* CONFIG_PMAC_BACKLIGHT */
return 1; /* get fb_blank to set the colormap to all black */
unsigned char data;
};
-#define N_ELTS(x) (sizeof(x) / sizeof(x[0]))
-
static struct chips_init_reg chips_init_sr[] = {
{ 0x00, 0x03 },
{ 0x01, 0x01 },
{
int i;
- for (i = 0; i < N_ELTS(chips_init_xr); ++i)
+ for (i = 0; i < ARRAY_SIZE(chips_init_xr); ++i)
write_xr(chips_init_xr[i].addr, chips_init_xr[i].data);
outb(0x29, 0x3c2); /* set misc output reg */
- for (i = 0; i < N_ELTS(chips_init_sr); ++i)
+ for (i = 0; i < ARRAY_SIZE(chips_init_sr); ++i)
write_sr(chips_init_sr[i].addr, chips_init_sr[i].data);
- for (i = 0; i < N_ELTS(chips_init_gr); ++i)
+ for (i = 0; i < ARRAY_SIZE(chips_init_gr); ++i)
write_gr(chips_init_gr[i].addr, chips_init_gr[i].data);
- for (i = 0; i < N_ELTS(chips_init_ar); ++i)
+ for (i = 0; i < ARRAY_SIZE(chips_init_ar); ++i)
write_ar(chips_init_ar[i].addr, chips_init_ar[i].data);
- for (i = 0; i < N_ELTS(chips_init_cr); ++i)
+ for (i = 0; i < ARRAY_SIZE(chips_init_cr); ++i)
write_cr(chips_init_cr[i].addr, chips_init_cr[i].data);
- for (i = 0; i < N_ELTS(chips_init_fr); ++i)
+ for (i = 0; i < ARRAY_SIZE(chips_init_fr); ++i)
write_fr(chips_init_fr[i].addr, chips_init_fr[i].data);
}
#ifdef CONFIG_PMAC_BACKLIGHT
/* turn on the backlight */
- set_backlight_enable(1);
+ mutex_lock(&pmac_backlight_mutex);
+ if (pmac_backlight) {
+ down(&pmac_backlight->sem);
+ pmac_backlight->props->power = FB_BLANK_UNBLANK;
+ pmac_backlight->props->update_status(pmac_backlight);
+ up(&pmac_backlight->sem);
+ }
+ mutex_unlock(&pmac_backlight_mutex);
#endif /* CONFIG_PMAC_BACKLIGHT */
#ifdef CONFIG_PPC