linux-kernel - [PATCH] ASoC: max98095: Add an explicit of_match

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Message-Id: <1398244438-2124-1-git-send-email-tushar.behera@linaro.org>
Date:	Wed, 23 Apr 2014 14:43:58 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org, devicetree@...r.kernel.org
Cc:	broonie@...nel.org, lgirdwood@...il.com, rdunlap@...radead.org,
	robh+dt@...nel.org
Subject: [PATCH] ASoC: max98095: Add an explicit of_match_table

Create an explicit of_match_table entry for MAX98095 codec. Also
add a binding Documentation for this compatible string.

Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
---
 .../devicetree/bindings/sound/max98095.txt         |   16 ++++++++++++++++
 sound/soc/codecs/max98095.c                        |    7 +++++++
 2 files changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/max98095.txt

diff --git a/Documentation/devicetree/bindings/sound/max98095.txt b/Documentation/devicetree/bindings/sound/max98095.txt
new file mode 100644
index 0000000..bacbeaa
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/max98095.txt
@@ -0,0 +1,16 @@
+MAX98095 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+- compatible : "maxim,max98095".
+
+- reg : The I2C address of the device.
+
+Example:
+
+max98095: codec@11 {
+	compatible = "maxim,max98095";
+	reg = <0x11>;
+};
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index 03f0536..8e548af 100644
--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -2399,10 +2399,17 @@ static const struct i2c_device_id max98095_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
 
+static const struct of_device_id max98095_of_match[] = {
+	{ .compatible = "maxim,max98095", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, max98095_of_match);
+
 static struct i2c_driver max98095_i2c_driver = {
 	.driver = {
 		.name = "max98095",
 		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(max98095_of_match),
 	},
 	.probe  = max98095_i2c_probe,
 	.remove = max98095_i2c_remove,
-- 
1.7.9.5

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