From 9b64d134c8bd39e6d98bffba846e3781d0e9ec4b Mon Sep 17 00:00:00 2001
From: Archit Taneja <archit@ti.com>
Date: Tue, 20 Nov 2012 11:35:23 +0530
Subject: [PATCH] --- yaml --- r: 371333 b: refs/heads/master c:
 3c45d05be382340dc4ccbef5819bd1eca601eb57 h: refs/heads/master i:   371331:
 e4cf9cce7b63054a076647d06892db5f2d5fa40a v: v3

---
 [refs]                                        |  2 +-
 .../video/omap2/displays/panel-acx565akm.c    | 48 +++++++++++++------
 2 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/[refs] b/[refs]
index 5838c990813c..f78ac63feac7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3db716bca710b5f0f1749c058532728d21b85bfc
+refs/heads/master: 3c45d05be382340dc4ccbef5819bd1eca601eb57
diff --git a/trunk/drivers/video/omap2/displays/panel-acx565akm.c b/trunk/drivers/video/omap2/displays/panel-acx565akm.c
index a8fb26b0ee85..d7f69c09ecf1 100644
--- a/trunk/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/trunk/drivers/video/omap2/displays/panel-acx565akm.c
@@ -29,8 +29,10 @@
 #include <linux/sched.h>
 #include <linux/backlight.h>
 #include <linux/fb.h>
+#include <linux/gpio.h>
 
 #include <video/omapdss.h>
+#include <video/omap-panel-data.h>
 
 #define MIPID_CMD_READ_DISP_ID		0x04
 #define MIPID_CMD_READ_RED		0x06
@@ -494,21 +496,38 @@ static struct omap_video_timings acx_panel_timings = {
 	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
 };
 
+static struct panel_acx565akm_data *get_panel_data(struct omap_dss_device *dssdev)
+{
+	return (struct panel_acx565akm_data *) dssdev->data;
+}
+
 static int acx_panel_probe(struct omap_dss_device *dssdev)
 {
 	int r;
 	struct acx565akm_device *md = &acx_dev;
+	struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
 	struct backlight_device *bldev;
 	int max_brightness, brightness;
 	struct backlight_properties props;
 
 	dev_dbg(&dssdev->dev, "%s\n", __func__);
 
+	if (!panel_data)
+		return -EINVAL;
+
 	/* FIXME AC bias ? */
 	dssdev->panel.timings = acx_panel_timings;
 
-	if (dssdev->platform_enable)
-		dssdev->platform_enable(dssdev);
+	if (gpio_is_valid(panel_data->reset_gpio)) {
+		r = devm_gpio_request_one(&dssdev->dev, panel_data->reset_gpio,
+				GPIOF_OUT_INIT_LOW, "lcd reset");
+		if (r)
+			return r;
+	}
+
+	if (gpio_is_valid(panel_data->reset_gpio))
+		gpio_set_value(panel_data->reset_gpio, 1);
+
 	/*
 	 * After reset we have to wait 5 msec before the first
 	 * command can be sent.
@@ -520,8 +539,9 @@ static int acx_panel_probe(struct omap_dss_device *dssdev)
 	r = panel_detect(md);
 	if (r) {
 		dev_err(&dssdev->dev, "%s panel detect error\n", __func__);
-		if (!md->enabled && dssdev->platform_disable)
-			dssdev->platform_disable(dssdev);
+		if (!md->enabled && gpio_is_valid(panel_data->reset_gpio))
+			gpio_set_value(panel_data->reset_gpio, 0);
+
 		return r;
 	}
 
@@ -530,8 +550,8 @@ static int acx_panel_probe(struct omap_dss_device *dssdev)
 	mutex_unlock(&acx_dev.mutex);
 
 	if (!md->enabled) {
-		if (dssdev->platform_disable)
-			dssdev->platform_disable(dssdev);
+		if (gpio_is_valid(panel_data->reset_gpio))
+			gpio_set_value(panel_data->reset_gpio, 0);
 	}
 
 	/*------- Backlight control --------*/
@@ -584,6 +604,7 @@ static void acx_panel_remove(struct omap_dss_device *dssdev)
 static int acx_panel_power_on(struct omap_dss_device *dssdev)
 {
 	struct acx565akm_device *md = &acx_dev;
+	struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
 	int r;
 
 	dev_dbg(&dssdev->dev, "%s\n", __func__);
@@ -605,11 +626,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
 	/*FIXME tweak me */
 	msleep(50);
 
-	if (dssdev->platform_enable) {
-		r = dssdev->platform_enable(dssdev);
-		if (r)
-			goto fail;
-	}
+	if (gpio_is_valid(panel_data->reset_gpio))
+		gpio_set_value(panel_data->reset_gpio, 1);
 
 	if (md->enabled) {
 		dev_dbg(&md->spi->dev, "panel already enabled\n");
@@ -638,8 +656,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
 	mutex_unlock(&md->mutex);
 
 	return acx565akm_bl_update_status(md->bl_dev);
-fail:
-	omapdss_sdi_display_disable(dssdev);
+
 fail_unlock:
 	mutex_unlock(&md->mutex);
 	return r;
@@ -648,6 +665,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev)
 static void acx_panel_power_off(struct omap_dss_device *dssdev)
 {
 	struct acx565akm_device *md = &acx_dev;
+	struct panel_acx565akm_data *panel_data = get_panel_data(dssdev);
 
 	dev_dbg(&dssdev->dev, "%s\n", __func__);
 
@@ -671,8 +689,8 @@ static void acx_panel_power_off(struct omap_dss_device *dssdev)
 	 */
 	msleep(50);
 
-	if (dssdev->platform_disable)
-		dssdev->platform_disable(dssdev);
+	if (gpio_is_valid(panel_data->reset_gpio))
+		gpio_set_value(panel_data->reset_gpio, 0);
 
 	/* FIXME need to tweak this delay */
 	msleep(100);