mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
ARM: mach-shmobile: Dynamic backlight control for Mackerel
Use GPIO_PORT31 to control the backlight on the Mackerel board. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
6447f55da9
commit
1fbdfcdeac
1 changed files with 21 additions and 1 deletions
|
@ -295,6 +295,18 @@ static struct fb_videomode mackerel_lcdc_modes[] = {
|
|||
},
|
||||
};
|
||||
|
||||
static int mackerel_set_brightness(void *board_data, int brightness)
|
||||
{
|
||||
gpio_set_value(GPIO_PORT31, brightness);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mackerel_get_brightness(void *board_data)
|
||||
{
|
||||
return gpio_get_value(GPIO_PORT31);
|
||||
}
|
||||
|
||||
static struct sh_mobile_lcdc_info lcdc_info = {
|
||||
.clock_source = LCDC_CLK_BUS,
|
||||
.ch[0] = {
|
||||
|
@ -307,6 +319,14 @@ static struct sh_mobile_lcdc_info lcdc_info = {
|
|||
.flags = 0,
|
||||
.lcd_size_cfg.width = 152,
|
||||
.lcd_size_cfg.height = 91,
|
||||
.board_cfg = {
|
||||
.set_brightness = mackerel_set_brightness,
|
||||
.get_brightness = mackerel_get_brightness,
|
||||
},
|
||||
.bl_info = {
|
||||
.name = "sh_mobile_lcdc_bl",
|
||||
.max_brightness = 1,
|
||||
},
|
||||
}
|
||||
};
|
||||
|
||||
|
@ -1059,7 +1079,7 @@ static void __init mackerel_init(void)
|
|||
gpio_request(GPIO_FN_LCDDCK, NULL);
|
||||
|
||||
gpio_request(GPIO_PORT31, NULL); /* backlight */
|
||||
gpio_direction_output(GPIO_PORT31, 1);
|
||||
gpio_direction_output(GPIO_PORT31, 0); /* off by default */
|
||||
|
||||
gpio_request(GPIO_PORT151, NULL); /* LCDDON */
|
||||
gpio_direction_output(GPIO_PORT151, 1);
|
||||
|
|
Loading…
Reference in a new issue