linux-kernel - [PATCH] pwm-backlight: Pinctrl-fy

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Message-Id: <1351699047-4487-1-git-send-email-panto@antoniou-consulting.com>
Date:	Wed, 31 Oct 2012 17:57:27 +0200
From:	Pantelis Antoniou <panto@...oniou-consulting.com>
To:	Thierry Reding <thierry.reding@...onic-design.de>
Cc:	Pantelis Antoniou <panto@...oniou-consulting.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Koen Kooi <koen@...inion.thruhere.net>,
	Matt Porter <mporter@...com>, Russ Dill <Russ.Dill@...com>,
	linux-omap@...r.kernel.org
Subject: [PATCH] pwm-backlight: Pinctrl-fy

Enable pinctrl for pwm-backlight.

Signed-off-by: Pantelis Antoniou <panto@...oniou-consulting.com>
---
 drivers/video/backlight/pwm_bl.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 0c91023..f3b6194 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -20,6 +20,8 @@
 #include <linux/pwm.h>
 #include <linux/pwm_backlight.h>
 #include <linux/slab.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/err.h>
 
 struct pwm_bl_data {
 	struct pwm_device	*pwm;
@@ -180,9 +182,14 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 	struct backlight_properties props;
 	struct backlight_device *bl;
 	struct pwm_bl_data *pb;
+	struct pinctrl *pinctrl;
 	unsigned int max;
 	int ret;
 
+	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+	if (IS_ERR(pinctrl))
+		dev_warn(&pdev->dev, "unable to select pin group\n");
+
 	if (!data) {
 		ret = pwm_backlight_parse_dt(&pdev->dev, &defdata);
 		if (ret < 0) {
-- 
1.7.12

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