From ad58b6739c1ab6c75c5901c86168d25a8fd18220 Mon Sep 17 00:00:00 2001
From: Archit Taneja <archit@ti.com>
Date: Fri, 30 Nov 2012 15:11:09 +0530
Subject: [PATCH] --- yaml --- r: 371328 b: refs/heads/master c:
 7232b1f91ee8abb85a4a9202ae170910b66d2305 h: refs/heads/master v: v3

---
 [refs]                                        |  2 +-
 .../omap2/displays/panel-lgphilips-lb035q02.c | 38 ++++++++++++++++++-
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 37ba7e607f13..06375ebf8ecc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0801711e1eea061cfdec2ad5bf1be687f7098c06
+refs/heads/master: 7232b1f91ee8abb85a4a9202ae170910b66d2305
diff --git a/trunk/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c b/trunk/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
index 8effea8f2259..63cd88570055 100644
--- a/trunk/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
+++ b/trunk/drivers/video/omap2/displays/panel-lgphilips-lb035q02.c
@@ -20,8 +20,10 @@
 #include <linux/delay.h>
 #include <linux/spi/spi.h>
 #include <linux/mutex.h>
+#include <linux/gpio.h>
 
 #include <video/omapdss.h>
+#include <video/omap-panel-data.h>
 
 struct lb035q02_data {
 	struct mutex lock;
@@ -48,9 +50,16 @@ static struct omap_video_timings lb035q02_timings = {
 	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
 };
 
+static inline struct panel_generic_dpi_data
+*get_panel_data(const struct omap_dss_device *dssdev)
+{
+	return (struct panel_generic_dpi_data *) dssdev->data;
+}
+
 static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
 {
-	int r;
+	struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
+	int r, i;
 
 	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
 		return 0;
@@ -68,6 +77,11 @@ static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
 			goto err1;
 	}
 
+	for (i = 0; i < panel_data->num_gpios; ++i) {
+		gpio_set_value_cansleep(panel_data->gpios[i],
+				panel_data->gpio_invert[i] ? 0 : 1);
+	}
+
 	return 0;
 err1:
 	omapdss_dpi_display_disable(dssdev);
@@ -77,9 +91,17 @@ static int lb035q02_panel_power_on(struct omap_dss_device *dssdev)
 
 static void lb035q02_panel_power_off(struct omap_dss_device *dssdev)
 {
+	struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
+	int i;
+
 	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
 		return;
 
+	for (i = panel_data->num_gpios - 1; i >= 0; --i) {
+		gpio_set_value_cansleep(panel_data->gpios[i],
+				panel_data->gpio_invert[i] ? 1 : 0);
+	}
+
 	if (dssdev->platform_disable)
 		dssdev->platform_disable(dssdev);
 
@@ -88,7 +110,12 @@ static void lb035q02_panel_power_off(struct omap_dss_device *dssdev)
 
 static int lb035q02_panel_probe(struct omap_dss_device *dssdev)
 {
+	struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
 	struct lb035q02_data *ld;
+	int r, i;
+
+	if (!panel_data)
+		return -EINVAL;
 
 	dssdev->panel.timings = lb035q02_timings;
 
@@ -96,6 +123,15 @@ static int lb035q02_panel_probe(struct omap_dss_device *dssdev)
 	if (!ld)
 		return -ENOMEM;
 
+	for (i = 0; i < panel_data->num_gpios; ++i) {
+		r = devm_gpio_request_one(&dssdev->dev, panel_data->gpios[i],
+				panel_data->gpio_invert[i] ?
+				GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
+				"panel gpio");
+		if (r)
+			return r;
+	}
+
 	mutex_init(&ld->lock);
 	dev_set_drvdata(&dssdev->dev, ld);