Cleaned up debugging code related to LCD display.

1 files changed, 4 insertions, 30 deletions

diff --git a/arch/arm/mach-mx51/mx51_ccwmx51js_gpio.c b/arch/arm/mach-mx51/mx51_ccwmx51js_gpio.c
index bc156e9dc41c..01659b3d3507 100644
--- a/arch/arm/mach-mx51/mx51_ccwmx51js_gpio.c
+++ b/arch/arm/mach-mx51/mx51_ccwmx51js_gpio.c
@@ -207,13 +207,12 @@ static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_usbh1_pins[] = {
 
 #if defined(CONFIG_FB_MXC_SYNC_PANEL) || defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE)
 static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_video1_pins[] = {
-	// ttd: setting up pins for our lcd panel
+	// This pin is necessary to enable the Digi LCD panel on the P1
+	// connector.
 	{
 		MX51_PIN_DI1_PIN11, IOMUX_CONFIG_ALT4,
 		(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
 	},
-	// ttd: end of experimental sections
-
 	{	/* DISP1 DAT0 */
 		MX51_PIN_DISP1_DAT0, IOMUX_CONFIG_ALT0,
 		(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
@@ -427,16 +426,9 @@ void __init ccwmx51_io_init(void)
 #endif
 
 #if defined(CONFIG_FB_MXC_SYNC_PANEL) || defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE)
-	printk("ttd: setting up video gpio mappings\n");
 	for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_video1_pins); i++) {
-// ttd: debug
-		int r = mxc_request_iomux(ccwmx51_iomux_video1_pins[i].pin,
+		mxc_request_iomux(ccwmx51_iomux_video1_pins[i].pin,
 					  ccwmx51_iomux_video1_pins[i].mux_mode);
-// ttd: debug
-		if (r){
-			printk("ttd: mxc_request_iomux() for video failed, pin %d\n",
-			       ccwmx51_iomux_video1_pins[i].pin);
-		}
 		if (ccwmx51_iomux_video1_pins[i].pad_cfg)
 			mxc_iomux_set_pad(ccwmx51_iomux_video1_pins[i].pin,
 					  ccwmx51_iomux_video1_pins[i].pad_cfg);
@@ -485,28 +477,10 @@ void __init ccwmx51_io_init(void)
 #endif
 }
 
-// ttd: experimental for lcd
-
 
 void gpio_lcd_active(void)
 {
-// ttd: testing...
-#if 1
-	int r;
-	printk("ttd: gpio_lcd_active\n");
-//	r =  gpio_request(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), "di1_pin11");
-//	printk("  ttd: gpio_request() returns %d\n", r);
-
-
-
-// The last one that is required.  I don't quite understand the
-// inter-related semantics of the gpio_direction_output and the
-// underlying chip->direction method, and the chip->request.
-	r = gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), 0);
-
-	printk("  ttd: gpio_set_direction_output() returns %d\n", r);
-//	gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), 0);
-#endif
+	gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), 0);
 }