OMAP: LCD: Use omap_rev check

OMAP: LCD: Use omap_rev check

This patch fixes correct detection of OMAP revision for
LCD driver. This makes Tux look correct on my ES3 SDP board.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/video/omap/lcd_2430sdp.c

@@ -88,7 +88,7 @@ static int sdp2430_panel_enable(struct lcd_panel *panel)
 		grp_reg = TWL4030_VAUX3_DEV_GRP;
 		grp_val = ENABLE_VAUX3_DEV_GRP;
 
-		if (system_rev > OMAP3430_REV_ES1_0) {
+		if (omap_rev() > OMAP3430_REV_ES1_0) {
 			t2_out(PM_RECEIVER, ENABLE_VPLL2_DEDICATED,
 					TWL4030_VPLL2_DEDICATED);
 			t2_out(PM_RECEIVER, ENABLE_VPLL2_DEV_GRP,
@@ -116,7 +116,7 @@ static void sdp2430_panel_disable(struct lcd_panel *panel)
 {
 	omap_set_gpio_dataout(enable_gpio, 0);
 	omap_set_gpio_dataout(backlight_gpio, 0);
-	if (system_rev > OMAP3430_REV_ES1_0) {
+	if (omap_rev() > OMAP3430_REV_ES1_0) {
 		t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEDICATED);
 		t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEV_GRP);
 		mdelay(4);