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| author | Hubert Feurstein <h.feurstein@gmail.com> | 2015-03-04 10:52:04 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-04 11:35:50 +0100 |
| commit | 3d61b7b6a9b9967f4d3e64a985abd2500abb202d (patch) | |
| tree | cdcfaa1a1adc33957dd33f8d40f52d0f2f2f9036 /drivers/led | |
| parent | e2290aef3139b9a987855f7f3bb887516483c052 (diff) | |
| download | barebox-3d61b7b6a9b9967f4d3e64a985abd2500abb202d.tar.gz barebox-3d61b7b6a9b9967f4d3e64a985abd2500abb202d.tar.xz | |
led: gpio: add support for default-state dt-property
This patch adds support for the default-state device tree property.
Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/led')
| -rw-r--r-- | drivers/led/led-gpio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/led/led-gpio.c b/drivers/led/led-gpio.c index a1a661724d..ae3f13f45b 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 +226,13 @@ 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)) { + if (!strcmp(default_state, "on")) + led_gpio_set(&gled->led, 1); + else if (!strcmp(default_state, "off")) + led_gpio_set(&gled->led, 0); + } } return 0; |