From: Hubert Feurstein <hubert.feurst...@deto.at> This patch adds support for the default-state device tree property.
Signed-off-by: Hubert Feurstein <h.feurst...@gmail.com> --- drivers/led/led-gpio.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/led/led-gpio.c b/drivers/led/led-gpio.c index a1a6617..69ad7e7 100644 --- a/drivers/led/led-gpio.c +++ b/drivers/led/led-gpio.c @@ -204,6 +204,7 @@ static int led_gpio_of_probe(struct device_d *dev) for_each_child_of_node(dev->device_node, child) { struct gpio_led *gled; + const char *default_state; enum of_gpio_flags flags; int gpio; const char *label; @@ -225,6 +226,18 @@ static int led_gpio_of_probe(struct device_d *dev) led_gpio_register(gled); led_of_parse_trigger(&gled->led, child); + + if (!of_property_read_string(child, "default-state", &default_state)) { + int state = -1; + + if (!strcmp(default_state, "on")) + state = 1; + else if (!strcmp(default_state, "off")) + state = 0; + + if (state >= 0) + led_gpio_set(&gled->led, state ^ gled->active_low); + } } return 0; -- 2.3.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox