linux-kernel - [PATCH 3/3] ASoC: atmel-ssc: add pinctrl selection to driver

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Date:	Mon, 17 Dec 2012 12:23:26 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	<broonie@...nsource.wolfsonmicro.com>, <voice.shen@...el.com>
CC:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	Olof Johansson <olof@...om.net>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <alsa-devel@...a-project.org>,
	<linux-sound@...r.kernel.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH 3/3] ASoC: atmel-ssc: add pinctrl selection to driver

From: Bo Shen <voice.shen@...el.com>

Add default pinctrl selection to atmel-ssc driver. The pinctrl
is mandatory.

Signed-off-by: Bo Shen <voice.shen@...el.com>
[nicolas.ferre@...el.com: split dtsi and driver changes]
Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 drivers/misc/atmel-ssc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 158da5a..3c09cbb 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 
 #include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
 
 /* Serialize access to ssc_list and user count */
 static DEFINE_SPINLOCK(user_lock);
@@ -131,6 +132,13 @@ static int ssc_probe(struct platform_device *pdev)
 	struct resource *regs;
 	struct ssc_device *ssc;
 	const struct atmel_ssc_platform_data *plat_dat;
+	struct pinctrl *pinctrl;
+
+	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+	if (IS_ERR(pinctrl)) {
+		dev_err(&pdev->dev, "Failed to request pinctrl\n");
+		return PTR_ERR(pinctrl);
+	}
 
 	ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL);
 	if (!ssc) {
-- 
1.8.0

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