The sleep indicator LEDs can be enabled/disabled by toggling GPIO162. Use the LED GPIO class to export this LED functionality to userspace.
To enable: # echo 1 > /sys/class/leds/sleep_ind/brightness To disable: # echo 0 > /sys/class/leds/sleep_ind/brightness Signed-off-by: Kevin Hilman <[email protected]> --- arch/arm/mach-omap2/board-rx51.c | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index 6a49f91..26b70da 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -16,6 +16,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/leds.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -31,8 +32,30 @@ #include "mux.h" +#define RX51_GPIO_SLEEP_IND 162 + struct omap_sdrc_params *rx51_get_sdram_timings(void); +static struct gpio_led gpio_leds[] = { + { + .name = "sleep_ind", + .gpio = RX51_GPIO_SLEEP_IND, + }, +}; + +static struct gpio_led_platform_data gpio_led_info = { + .leds = gpio_leds, + .num_leds = ARRAY_SIZE(gpio_leds), +}; + +static struct platform_device leds_gpio = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &gpio_led_info, + }, +}; + static struct omap_lcd_config rx51_lcd_config = { .ctrl_name = "internal", }; @@ -88,6 +111,8 @@ static void __init rx51_init(void) /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); + + platform_device_register(&leds_gpio); } static void __init rx51_map_io(void) -- 1.6.6 -- 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
