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Commit e4634804 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: wm8991: Move basic initialisation to I2C level probe 



This is better practice, though some of this stuff ought not to be here at
all.

Signed-off-by: default avatarMark Brown <broonie@linaro.org>
Acked-by: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
parent a86652e5

sound/soc/codecs/wm8991.c

+25 −25
Original line number Diff line number Diff line
@@ -111,8 +111,6 @@ static bool wm8991_volatile(struct device *dev, unsigned int reg) 
	}

}



#define wm8991_reset(c) snd_soc_write(c, WM8991_RESET, 0)



static const unsigned int rec_mix_tlv[] = {

	TLV_DB_RANGE_HEAD(1),

	0, 7, TLV_DB_LINEAR_ITEM(-1500, 600),
@@ -1264,31 +1262,8 @@ static int wm8991_probe(struct snd_soc_codec *codec) 
		return ret;

	}



	ret = wm8991_reset(codec);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to issue reset\n");

		return ret;

	}



	wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);



	snd_soc_update_bits(codec, WM8991_AUDIO_INTERFACE_4,

			    WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);



	snd_soc_update_bits(codec, WM8991_GPIO1_GPIO2,

			    WM8991_GPIO1_SEL_MASK, 1);



	snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_1,

			    WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,

			    WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);



	snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_2,

			    WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);



	snd_soc_write(codec, WM8991_DAC_CTRL, 0);

	snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));

	snd_soc_write(codec, WM8991_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));



	return 0;

}
@@ -1372,6 +1347,31 @@ static int wm8991_i2c_probe(struct i2c_client *i2c, 


	i2c_set_clientdata(i2c, wm8991);



	ret = regmap_write(wm8991->regmap, WM8991_RESET, 0);

	if (ret < 0) {

		dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);

		return ret;

	}



	regmap_update_bits(wm8991->regmap, WM8991_AUDIO_INTERFACE_4,

			   WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);



	regmap_update_bits(wm8991->regmap, WM8991_GPIO1_GPIO2,

			   WM8991_GPIO1_SEL_MASK, 1);



	regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_1,

			   WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,

			   WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);



	regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_2,

			   WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);



	regmap_write(wm8991->regmap, WM8991_DAC_CTRL, 0);

	regmap_write(wm8991->regmap, WM8991_LEFT_OUTPUT_VOLUME,

		     0x50 | (1<<8));

	regmap_write(wm8991->regmap, WM8991_RIGHT_OUTPUT_VOLUME,

		     0x50 | (1<<8));



	ret = snd_soc_register_codec(&i2c->dev,

				     &soc_codec_dev_wm8991, &wm8991_dai, 1);