diff options
| author | Patrick Bruenn <p.bruenn@beckhoff.com> | 2018-04-11 11:16:28 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-08 09:07:33 -0400 |
| commit | bc882f5d5c7b4d6ed5e927bf838863af43c786e7 (patch) | |
| tree | 1ee253d888a739f08f6dd494a3152ea7036066c2 /drivers | |
| parent | d90f0d4cae5c9349a412e3f924bf25e20e35ddfa (diff) | |
dm: led: auto probe() LEDs with "default-state"
To avoid board specificy LED activation code, automatically
activate gpio-leds with "default-state" property during bind().
Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/led/led_gpio.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/led/led_gpio.c b/drivers/led/led_gpio.c index 533587dc47..a36942b934 100644 --- a/drivers/led/led_gpio.c +++ b/drivers/led/led_gpio.c @@ -10,6 +10,7 @@ #include <led.h> #include <asm/gpio.h> #include <dm/lists.h> +#include <dm/uclass-internal.h> struct led_gpio_priv { struct gpio_desc gpio; @@ -117,6 +118,14 @@ static int led_gpio_bind(struct udevice *parent) return ret; uc_plat = dev_get_uclass_platdata(dev); uc_plat->label = label; + + if (ofnode_read_bool(node, "default-state")) { + struct udevice *devp; + + ret = uclass_get_device_tail(dev, 0, &devp); + if (ret) + return ret; + } } return 0; |