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[3/3] omap3: devkit8000: Use generic gpio for second lcd enable

Message ID 1294963409-29891-4-git-send-email-daniel.morsing@gmail.com (mailing list archive)
State Superseded
Delegated to: Tony Lindgren
Headers show

Commit Message

Daniel Morsing Jan. 14, 2011, 12:03 a.m. UTC
None
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Patch

diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 8dc7a24..c1fdb1e 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -112,10 +112,16 @@  static struct omap2_hsmmc_info mmc[] = {
 	{}	/* Terminator */
 };
 
+/* This board uses 2 gpios for the lcd reset line, so use
+ * omap_dss_device.reset_gpio for storing one and this variable
+ * for storing the other.
+ */
+static int lcd_enable_gpio = -EINVAL; /* will be replaced */
+
 static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev)
 {
-	twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1);
-	twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0);
+	if (gpio_is_valid(lcd_enable_gpio))
+		gpio_set_value_cansleep(lcd_enable_gpio, 1);
 
 	if (gpio_is_valid(dssdev->reset_gpio))
 		gpio_set_value_cansleep(dssdev->reset_gpio, 1);
@@ -124,6 +130,9 @@  static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev)
 
 static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev)
 {
+	if (gpio_is_valid(lcd_enable_gpio))
+		gpio_set_value_cansleep(lcd_enable_gpio, 0);
+
 	if (gpio_is_valid(dssdev->reset_gpio))
 		gpio_set_value_cansleep(dssdev->reset_gpio, 0);
 }
@@ -251,6 +260,12 @@  static int devkit8000_twl_gpio_setup(struct device *dev,
 	/* Disable until needed */
 	gpio_direction_output(devkit8000_lcd_device.reset_gpio, 0);
 
+	/* TWL4030_GPIO_MAX + 0 == ledA which is also "LCD_PWREN" */
+	lcd_enable_gpio = gpio + TWL4030_GPIO_MAX + 0;
+	gpio_request(lcd_enable_gpio, "LCD_PWREN");
+	/* Disable until needed */
+	gpio_direction_output(lcd_enable_gpio, 0);
+
 	/* gpio + 7 is "DVI_PD" (out, active low) */
 	devkit8000_dvi_device.reset_gpio = gpio + 7;
 	gpio_request(devkit8000_dvi_device.reset_gpio, "DVI PowerDown");