LM
/
u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Patrick Bruenn 2018-04-11 11:16:28 +02:00 committed by Andrejs Cainikovs
parent e0351eaf58
commit 0921091714
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/led/led_gpio.c
View File

@ -11,6 +11,7 @@
#include <led.h> #include <led.h>
#include <asm/gpio.h> #include <asm/gpio.h>
#include <dm/lists.h> #include <dm/lists.h>
#include <dm/uclass-internal.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -120,6 +121,14 @@ static int led_gpio_bind(struct udevice *parent)
return ret; return ret;
uc_plat = dev_get_uclass_platdata(dev); uc_plat = dev_get_uclass_platdata(dev);
uc_plat->label = label; 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; return 0;