[PATCH 3/3] eukrea_cpuimx35: better handling of backlight

[Eric Bénard]

start with backlight disabled and enable it if the logo is
displayed.

Signed-off-by: Eric Bénard <eric at eukrea.com>
---
 board/eukrea_cpuimx35/env/bin/init      |    2 ++
 board/eukrea_cpuimx35/eukrea_cpuimx35.c |   11 +++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/board/eukrea_cpuimx35/env/bin/init b/board/eukrea_cpuimx35/env/bin/init
index 49e54c5..4610213 100644
--- a/board/eukrea_cpuimx35/env/bin/init
+++ b/board/eukrea_cpuimx35/env/bin/init
@@ -14,9 +14,11 @@ fi
 
 if [ -f /env/logo.bmp ]; then
 	bmp /env/logo.bmp
+	gpio_direction_output 1 1
 elif [ -f /env/logo.bmp.lzo ]; then
 	unlzo /env/logo.bmp.lzo /logo.bmp
 	bmp /logo.bmp
+	gpio_direction_output 1 1
 fi
 
 if [ -z $eth0.ethaddr ]; then
diff --git a/board/eukrea_cpuimx35/eukrea_cpuimx35.c b/board/eukrea_cpuimx35/eukrea_cpuimx35.c
index 7f1c782..f358f51 100644
--- a/board/eukrea_cpuimx35/eukrea_cpuimx35.c
+++ b/board/eukrea_cpuimx35/eukrea_cpuimx35.c
@@ -166,8 +166,10 @@ device_initcall(eukrea_cpuimx35_devices_init);
 
 static int eukrea_cpuimx35_enable_display(void)
 {
-	gpio_direction_output(1, 1);
-	gpio_direction_output(0, 0);
+	/* default : backlight OFF */
+	gpio_direction_output(1, 0);
+	gpio_direction_output(4, 1);
+
 	return 0;
 }
 
@@ -205,14 +207,19 @@ static struct pad_desc eukrea_cpuimx35_pads[] = {
 	MX35_PAD_TXD1__UART1_TXD_MUX,
 	MX35_PAD_RTS1__UART1_RTS,
 	MX35_PAD_CTS1__UART1_CTS,
+
+	MX35_PAD_CONTRAST__GPIO1_1,
+	MX35_PAD_D3_CLS__GPIO1_4,
 };
 
+
 static int eukrea_cpuimx35_console_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
 		ARRAY_SIZE(eukrea_cpuimx35_pads));
 
 	register_device(&eukrea_cpuimx35_serial_device);
+
 	return 0;
 }
 
-- 
1.6.3.3