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Commit b1a5fad5 authored by Alexander Morozov's avatar Alexander Morozov Committed by Mark Brown
Browse files

ASoC: wm8904: add dt ids table 



The WM8904 and WM8918 has the same data type, while the WM8912
has different data type. So, use the data in dt ids table to
distinguish them.

Signed-off-by: default avatarAlexander Morozov <linux@meltdown.ru>
[voice.shen@atmel.com: add code to distinguish device type]
Signed-off-by: default avatarBo Shen <voice.shen@atmel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 97bf6af1

sound/soc/codecs/wm8904.c

+30 −1
Original line number Diff line number Diff line
@@ -2098,6 +2098,24 @@ static const struct regmap_config wm8904_regmap = { 
	.num_reg_defaults = ARRAY_SIZE(wm8904_reg_defaults),

};



#ifdef CONFIG_OF

static enum wm8904_type wm8904_data = WM8904;

static enum wm8904_type wm8912_data = WM8912;



static const struct of_device_id wm8904_of_match[] = {

	{

		.compatible = "wlf,wm8904",

		.data = &wm8904_data,

	}, {

		.compatible = "wlf,wm8912",

		.data = &wm8912_data,

	}, {

		/* sentinel */

	}

};

MODULE_DEVICE_TABLE(of, wm8904_of_match);

#endif



static int wm8904_i2c_probe(struct i2c_client *i2c,

			    const struct i2c_device_id *id)

{
@@ -2125,7 +2143,17 @@ static int wm8904_i2c_probe(struct i2c_client *i2c, 
		return ret;

	}



	if (i2c->dev.of_node) {

		const struct of_device_id *match;



		match = of_match_node(wm8904_of_match, i2c->dev.of_node);

		if (match == NULL)

			return -EINVAL;

		wm8904->devtype = *((enum wm8904_type *)match->data);

	} else {

		wm8904->devtype = id->driver_data;

	}



	i2c_set_clientdata(i2c, wm8904);

	wm8904->pdata = i2c->dev.platform_data;
@@ -2259,6 +2287,7 @@ static struct i2c_driver wm8904_i2c_driver = { 
	.driver = {

		.name = "wm8904",

		.owner = THIS_MODULE,

		.of_match_table = of_match_ptr(wm8904_of_match),

	},

	.probe =    wm8904_i2c_probe,

	.remove =   wm8904_i2c_remove,