The sleep indicator LEDs can be enabled/disabled by toggling GPIO162. Request this GPIO in RX51 board init, disable by default and expose GPIO162 to userspace so LEDs can be toggled from userspace:
To enable: # echo 1 > /sys/class/gpio/gpio162/value To disable: # echo 0 > /sys/class/gpio/gpio162/value Signed-off-by: Kevin Hilman <[email protected]> --- arch/arm/mach-omap2/board-rx51.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index f9196c3..6ad44d8 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -31,6 +31,8 @@ #include <mach/gpmc.h> #include <mach/usb.h> +#define RX51_GPIO_SLEEP_IND 162 + static struct omap_lcd_config rx51_lcd_config = { .ctrl_name = "internal", }; @@ -74,6 +76,11 @@ static void __init rx51_init(void) /* Ensure SDRC pins are mux'd for self-refresh */ omap_cfg_reg(H16_34XX_SDRC_CKE0); omap_cfg_reg(H17_34XX_SDRC_CKE1); + + if (!(gpio_request(RX51_GPIO_SLEEP_IND, "SLEEP_IND"))) { + gpio_direction_output(RX51_GPIO_SLEEP_IND, 0); + gpio_export(RX51_GPIO_SLEEP_IND, 1); + } } static void __init rx51_map_io(void) -- 1.6.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
