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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-12-10 14:31:56 +0100 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-12-10 22:23:59 +0100 |
| commit | f15ea6e1d67782a1626d4a4922b6c20e380085e5 (patch) | |
| tree | 57d78f1ee94a2060eaa591533278d2934d4f1da3 /drivers/misc/gpio_led.c | |
| parent | cb7ee1b98cac6baf244daefb1192adf5a47bc983 (diff) | |
| parent | f44483b57c49282299da0e5c10073b909cdad979 (diff) | |
| download | olio-uboot-2014.01-f15ea6e1d67782a1626d4a4922b6c20e380085e5.tar.xz olio-uboot-2014.01-f15ea6e1d67782a1626d4a4922b6c20e380085e5.zip | |
Merge branch 'u-boot/master' into 'u-boot-arm/master'
Conflicts:
arch/arm/cpu/armv7/rmobile/Makefile
doc/README.scrapyard
Needed manual fix:
arch/arm/cpu/armv7/omap-common/Makefile
board/compulab/cm_t335/u-boot.lds
Diffstat (limited to 'drivers/misc/gpio_led.c')
| -rw-r--r-- | drivers/misc/gpio_led.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/misc/gpio_led.c b/drivers/misc/gpio_led.c index 3fedddc8b..3e95727d7 100644 --- a/drivers/misc/gpio_led.c +++ b/drivers/misc/gpio_led.c @@ -9,15 +9,42 @@ #include <status_led.h> #include <asm/gpio.h> +#ifndef CONFIG_GPIO_LED_INVERTED_TABLE +#define CONFIG_GPIO_LED_INVERTED_TABLE {} +#endif + +static led_id_t gpio_led_inv[] = CONFIG_GPIO_LED_INVERTED_TABLE; + +static int gpio_led_gpio_value(led_id_t mask, int state) +{ + int i, gpio_value = (state == STATUS_LED_ON); + + for (i = 0; i < ARRAY_SIZE(gpio_led_inv); i++) { + if (gpio_led_inv[i] == mask) + gpio_value = !gpio_value; + } + + return gpio_value; +} + void __led_init(led_id_t mask, int state) { - gpio_request(mask, "gpio_led"); - gpio_direction_output(mask, state == STATUS_LED_ON); + int gpio_value; + + if (gpio_request(mask, "gpio_led") != 0) { + printf("%s: failed requesting GPIO%lu!\n", __func__, mask); + return; + } + + gpio_value = gpio_led_gpio_value(mask, state); + gpio_direction_output(mask, gpio_value); } void __led_set(led_id_t mask, int state) { - gpio_set_value(mask, state == STATUS_LED_ON); + int gpio_value = gpio_led_gpio_value(mask, state); + + gpio_set_value(mask, gpio_value); } void __led_toggle(led_id_t mask) |