1 files changed, 36 insertions, 41 deletions

diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
index bbe880bbe79..8d51a5e6341 100644
--- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
@@ -20,19 +20,10 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/device.h>
-#include <linux/regulator/consumer.h>
 #include <linux/err.h>
 
 #include <plat/display.h>
 
-struct sharp_data {
-	/* XXX This regulator should actually be in SDP board file, not here,
-	 * as it doesn't actually power the LCD, but something else that
-	 * affects the output to LCD (I think. Somebody clarify). It doesn't do
-	 * harm here, as SDP is the only board using this currently */
-	struct regulator *vdvi_reg;
-};
-
 static struct omap_video_timings sharp_ls_timings = {
 	.x_res = 480,
 	.y_res = 640,
@@ -50,77 +41,81 @@ static struct omap_video_timings sharp_ls_timings = {
 
 static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd;
-
 	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
 		OMAP_DSS_LCD_IHS;
 	dssdev->panel.acb = 0x28;
 	dssdev->panel.timings = sharp_ls_timings;
 
-	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
-	if (!sd)
-		return -ENOMEM;
-
-	dev_set_drvdata(&dssdev->dev, sd);
-
-	sd->vdvi_reg = regulator_get(&dssdev->dev, "vdvi");
-	if (IS_ERR(sd->vdvi_reg)) {
-		kfree(sd);
-		pr_err("failed to get VDVI regulator\n");
-		return PTR_ERR(sd->vdvi_reg);
-	}
-
 	return 0;
 }
 
 static void sharp_ls_panel_remove(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
-
-	regulator_put(sd->vdvi_reg);
-
-	kfree(sd);
 }
 
-static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+static int sharp_ls_power_on(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
 	int r = 0;
 
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
 	/* wait couple of vsyncs until enabling the LCD */
 	msleep(50);
 
-	regulator_enable(sd->vdvi_reg);
-
-	if (dssdev->platform_enable)
+	if (dssdev->platform_enable) {
 		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
 
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
 	return r;
 }
 
-static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+static void sharp_ls_power_off(struct omap_dss_device *dssdev)
 {
-	struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
-
 	if (dssdev->platform_disable)
 		dssdev->platform_disable(dssdev);
 
-	regulator_disable(sd->vdvi_reg);
-
 	/* wait at least 5 vsyncs after disabling the LCD */
 
 	msleep(100);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+	r = sharp_ls_power_on(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return r;
+}
+
+static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+{
+	sharp_ls_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 }
 
 static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev)
 {
-	sharp_ls_panel_disable(dssdev);
+	sharp_ls_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
 	return 0;
 }
 
 static int sharp_ls_panel_resume(struct omap_dss_device *dssdev)
 {
-	return sharp_ls_panel_enable(dssdev);
+	int r;
+	r = sharp_ls_power_on(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+	return r;
 }
 
 static struct omap_dss_driver sharp_ls_driver = {