sh: mach-ecovec24: support for main lcd backlight

Add support for the main LCD backlight that is controlled through the
PTR1 GPIO.

Signed-off-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 701667acfd89..a2c06220bbab 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -261,6 +261,18 @@ const static struct fb_videomode ecovec_dvi_modes[] = {
         },
 };
 
+static int ecovec24_set_brightness(void *board_data, int brightness)
+{
+        gpio_set_value(GPIO_PTR1, brightness);
+
+        return 0;
+}
+
+static int ecovec24_get_brightness(void *board_data)
+{
+        return gpio_get_value(GPIO_PTR1);
+}
+
 static struct sh_mobile_lcdc_info lcdc_info = {
         .ch[0] = {
                 .interface_type = RGB18,
@@ -271,6 +283,12 @@ static struct sh_mobile_lcdc_info lcdc_info = {
                         .height = 91,
                 },
                 .board_cfg = {
+                        .set_brightness = ecovec24_set_brightness,
+                        .get_brightness = ecovec24_get_brightness,
+                },
+                .bl_info = {
+                        .name = "sh_mobile_lcdc_bl",
+                        .max_brightness = 1,
                 },
         }
 };