[PATCH 4/5] leds: leds-gpio: adopt pinctrl support
From: tony@atomide.com (Tony Lindgren)
Date: 2012-08-31 16:04:04
Also in:
linux-devicetree, linux-omap
Possibly related (same subject, not in this thread)
- 2012-08-31 · RE: [PATCH 4/5] leds: leds-gpio: adopt pinctrl support · AnilKumar, Chimata <hidden>
* AnilKumar Ch [off-list ref] [120831 02:30]:
quoted hunk ↗ jump to hunk
Adopt pinctrl support to leds-gpio driver, based on the device pointer (leds-gpio) pinctrl driver configure SoC pins to GPIO mode. Signed-off-by: AnilKumar Ch <redacted> --- drivers/leds/leds-gpio.c | 31 ++++++++++++++++++++++++------- 1 file changed, 24 insertions(+), 7 deletions(-)diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index c032b21..d98dfb9 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c@@ -20,6 +20,7 @@ #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/module.h> +#include <linux/pinctrl/consumer.h> struct gpio_led_data { struct led_classdev cdev;@@ -236,14 +237,23 @@ static int __devinit gpio_led_probe(struct platform_device *pdev) { struct gpio_led_platform_data *pdata = pdev->dev.platform_data; struct gpio_leds_priv *priv; - int i, ret = 0; + struct pinctrl *pinctrl; + int i = 0; + int ret = 0; + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) { + return PTR_ERR(pinctrl); + }
I think you need to just print out a warning here as most systems don't have the pinctrl implemented. And some people just do static pinmuxing in the bootloader. Regards, Tony