soc/codecs/wm8731.c

2  * wm8731.c  --  WM8731 ALSA SoC Audio driver
23 #include <linux/spi/spi.h>
82 	if (wm8731->deemph) {  in wm8731_set_deemph()
85 			if (abs(wm8731_deemph[i] - wm8731->playback_fs) <  in wm8731_set_deemph()
86 			    abs(wm8731_deemph[best] - wm8731->playback_fs))  in wm8731_set_deemph()
96 	dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n",  in wm8731_set_deemph()
108 	ucontrol->value.enumerated.item[0] = wm8731->deemph;  in wm8731_get_deemph()
118 	int deemph = ucontrol->value.enumerated.item[0];  in wm8731_put_deemph()
122 		return -EINVAL;  in wm8731_put_deemph()
124 	mutex_lock(&codec->mutex);  in wm8731_put_deemph()
125 	if (wm8731->deemph != deemph) {  in wm8731_put_deemph()
126 		wm8731->deemph = deemph;  in wm8731_put_deemph()
132 	mutex_unlock(&codec->mutex);  in wm8731_put_deemph()
137 static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);
138 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0);
139 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
173 /* Input mux */
189 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &wm8731_input_mux_controls),
200 	struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec);  in wm8731_check_osc()
202 	return wm8731->sysclk_type == WM8731_SYSCLK_XTAL;  in wm8731_check_osc()
222 	/* input mux */
223 	{"Input Mux", "Line In", "Line Input"},
224 	{"Input Mux", "Mic", "Mic Bias"},
225 	{"ADC", NULL, "Input Mux"},
292 	struct snd_soc_codec *codec = dai->codec;  in wm8731_hw_params()
295 	int i = get_coeff(wm8731->sysclk, params_rate(params));  in wm8731_hw_params()
299 	wm8731->playback_fs = params_rate(params);  in wm8731_hw_params()
323 	struct snd_soc_codec *codec = dai->codec;  in wm8731_mute()
336 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8731_set_dai_sysclk()
342 		wm8731->sysclk_type = clk_id;  in wm8731_set_dai_sysclk()
345 		return -EINVAL;  in wm8731_set_dai_sysclk()
354 		wm8731->sysclk = freq;  in wm8731_set_dai_sysclk()
357 		return -EINVAL;  in wm8731_set_dai_sysclk()
360 	snd_soc_dapm_sync(&codec->dapm);  in wm8731_set_dai_sysclk()
369 	struct snd_soc_codec *codec = codec_dai->codec;  in wm8731_set_dai_fmt()
380 		return -EINVAL;  in wm8731_set_dai_fmt()
400 		return -EINVAL;  in wm8731_set_dai_fmt()
417 		return -EINVAL;  in wm8731_set_dai_fmt()
438 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {  in wm8731_set_bias_level()
439 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),  in wm8731_set_bias_level()
440 						    wm8731->supplies);  in wm8731_set_bias_level()
447 		/* Clear PWROFF, gate CLKOUT, everything else as-is */  in wm8731_set_bias_level()
453 		regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),  in wm8731_set_bias_level()
454 				       wm8731->supplies);  in wm8731_set_bias_level()
455 		codec->cache_sync = 1;  in wm8731_set_bias_level()
458 	codec->dapm.bias_level = level;  in wm8731_set_bias_level()
475 	.name = "wm8731-hifi",
516 	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8731->control_type);  in wm8731_probe()
518 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);  in wm8731_probe()
522 	for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++)  in wm8731_probe()
523 		wm8731->supplies[i].supply = wm8731_supply_names[i];  in wm8731_probe()
525 	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies),  in wm8731_probe()
526 				 wm8731->supplies);  in wm8731_probe()
528 		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);  in wm8731_probe()
532 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),  in wm8731_probe()
533 				    wm8731->supplies);  in wm8731_probe()
535 		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);  in wm8731_probe()
541 		dev_err(codec->dev, "Failed to issue reset: %d\n", ret);  in wm8731_probe()
557 	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);  in wm8731_probe()
562 	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);  in wm8731_probe()
564 	regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);  in wm8731_probe()
576 	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);  in wm8731_remove()
577 	regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);  in wm8731_remove()
607 static int __devinit wm8731_spi_probe(struct spi_device *spi)  in wm8731_spi_probe()  argument
614 		return -ENOMEM;  in wm8731_spi_probe()
616 	wm8731->control_type = SND_SOC_SPI;  in wm8731_spi_probe()
617 	spi_set_drvdata(spi, wm8731);  in wm8731_spi_probe()
619 	ret = snd_soc_register_codec(&spi->dev,  in wm8731_spi_probe()
626 static int __devexit wm8731_spi_remove(struct spi_device *spi)  in wm8731_spi_remove()  argument
628 	snd_soc_unregister_codec(&spi->dev);  in wm8731_spi_remove()
629 	kfree(spi_get_drvdata(spi));  in wm8731_spi_remove()
653 		return -ENOMEM;  in wm8731_i2c_probe()
656 	wm8731->control_type = SND_SOC_I2C;  in wm8731_i2c_probe()
658 	ret =  snd_soc_register_codec(&i2c->dev,  in wm8731_i2c_probe()
667 	snd_soc_unregister_codec(&client->dev);  in wm8731_i2c_remove()
703 		printk(KERN_ERR "Failed to register WM8731 SPI driver: %d\n",  in wm8731_modinit()