[ARM] pxa: removing dead BACKLIGHT_CORGI

BACKLIGHT_CORGI was later renamed to BACKLIGHT_GENERIC and has not been
used since then. As it's now safe to completely transition to LCD_CORGI
driver, which incorprates both the LCD and backlight device.
Signed-off-by: Christoph Egger <siccegge@cs.fau.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/corgi_pm.c

@@ -165,8 +165,6 @@ static struct sharpsl_charger_machinfo corgi_pm_machinfo = {
 	.should_wakeup   = corgi_should_wakeup,
 #if defined(CONFIG_LCD_CORGI)
 	.backlight_limit = corgi_lcd_limit_intensity,
-#elif defined(CONFIG_BACKLIGHT_CORGI)
-	.backlight_limit = corgibl_limit_intensity,
 #endif
 	.charge_on_volt	  = SHARPSL_CHARGE_ON_VOLT,
 	.charge_on_temp	  = SHARPSL_CHARGE_ON_TEMP,

arch/arm/mach-pxa/sharpsl_pm.c

@@ -277,21 +277,6 @@ static void sharpsl_battery_thread(struct work_struct *private_)
 	dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %ld\n", voltage,
 			sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies);
 
-#ifdef CONFIG_BACKLIGHT_CORGI
-	/* If battery is low. limit backlight intensity to save power. */
-	if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
-	    && ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW)
-	    || (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL))) {
-		if (!(sharpsl_pm.flags & SHARPSL_BL_LIMIT)) {
-			sharpsl_pm.machinfo->backlight_limit(1);
-			sharpsl_pm.flags |= SHARPSL_BL_LIMIT;
-		}
-	} else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) {
-		sharpsl_pm.machinfo->backlight_limit(0);
-		sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT;
-	}
-#endif
-
 	/* Suspend if critical battery level */
 	if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE)
 	     && (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL)

arch/arm/mach-pxa/spitz_pm.c

@@ -212,8 +212,6 @@ struct sharpsl_charger_machinfo spitz_pm_machinfo = {
 	.should_wakeup    = spitz_should_wakeup,
 #if defined(CONFIG_LCD_CORGI)
 	.backlight_limit = corgi_lcd_limit_intensity,
-#elif defined(CONFIG_BACKLIGHT_CORGI)
-	.backlight_limit  = corgibl_limit_intensity,
 #endif
 	.charge_on_volt	  = SHARPSL_CHARGE_ON_VOLT,
 	.charge_on_temp	  = SHARPSL_CHARGE_ON_TEMP,