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-rw-r--r--arch/avr32/boards/atngw100/evklcd10x.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/avr32/boards/atngw100/evklcd10x.c b/arch/avr32/boards/atngw100/evklcd10x.c
index fbc7b03ef88..4e3ab8e0800 100644
--- a/arch/avr32/boards/atngw100/evklcd10x.c
+++ b/arch/avr32/boards/atngw100/evklcd10x.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/linkage.h>
+#include <linux/gpio.h>
#include <linux/fb.h>
#include <linux/platform_device.h>
@@ -19,6 +20,7 @@
#include <asm/setup.h>
#include <mach/at32ap700x.h>
+#include <mach/portmux.h>
#include <mach/board.h>
static struct ac97c_platform_data __initdata ac97c0_data = {
@@ -144,13 +146,29 @@ static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
};
#endif
+static void atevklcd10x_lcdc_power_control(int on)
+{
+ gpio_set_value(GPIO_PIN_PB(15), on);
+}
+
static int __init atevklcd10x_init(void)
{
- at32_add_device_ac97c(0, &ac97c0_data);
+ /* PB15 is connected to the enable line on the boost regulator
+ * controlling the backlight for the LCD panel.
+ */
+ at32_select_gpio(GPIO_PIN_PB(15), AT32_GPIOF_OUTPUT);
+ gpio_request(GPIO_PIN_PB(15), "backlight");
+ gpio_direction_output(GPIO_PIN_PB(15), 0);
+
+ atevklcd10x_lcdc_data.atmel_lcdfb_power_control =
+ atevklcd10x_lcdc_power_control;
at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
fbmem_start, fbmem_size,
ATMEL_LCDC_ALT_18BIT | ATMEL_LCDC_PE_DVAL);
+
+ at32_add_device_ac97c(0, &ac97c0_data);
+
return 0;
}
postcore_initcall(atevklcd10x_init);