예제 #1
0
static int wm8737_probe(struct snd_soc_codec *codec)
{
	struct wm8737_priv *wm8737 = snd_soc_codec_get_drvdata(codec);
	int ret;

	ret = regulator_bulk_enable(ARRAY_SIZE(wm8737->supplies),
				    wm8737->supplies);
	if (ret != 0) {
		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
		goto err_get;
	}

	ret = wm8737_reset(codec);
	if (ret < 0) {
		dev_err(codec->dev, "Failed to issue reset\n");
		goto err_enable;
	}

	snd_soc_update_bits(codec, WM8737_LEFT_PGA_VOLUME, WM8737_LVU,
			    WM8737_LVU);
	snd_soc_update_bits(codec, WM8737_RIGHT_PGA_VOLUME, WM8737_RVU,
			    WM8737_RVU);

	wm8737_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

	/* Bias level configuration will have done an extra enable */
	regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);

	return 0;

err_enable:
	regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);
err_get:
	return ret;
}
예제 #2
0
static int wm8737_remove(struct snd_soc_codec *codec)
{
	struct wm8737_priv *wm8737 = snd_soc_codec_get_drvdata(codec);

	wm8737_set_bias_level(codec, SND_SOC_BIAS_OFF);
	regulator_bulk_free(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);
	return 0;
}
예제 #3
0
static int wm8737_probe(struct snd_soc_codec *codec)
{
	struct wm8737_priv *wm8737 = snd_soc_codec_get_drvdata(codec);
	int ret, i;

	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8737->control_type);
	if (ret != 0) {
		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
		return ret;
	}

	for (i = 0; i < ARRAY_SIZE(wm8737->supplies); i++)
		wm8737->supplies[i].supply = wm8737_supply_names[i];

	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8737->supplies),
				 wm8737->supplies);
	if (ret != 0) {
		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
		return ret;
	}

	ret = regulator_bulk_enable(ARRAY_SIZE(wm8737->supplies),
				    wm8737->supplies);
	if (ret != 0) {
		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
		goto err_get;
	}

	ret = wm8737_reset(codec);
	if (ret < 0) {
		dev_err(codec->dev, "Failed to issue reset\n");
		goto err_enable;
	}

	snd_soc_update_bits(codec, WM8737_LEFT_PGA_VOLUME, WM8737_LVU,
			    WM8737_LVU);
	snd_soc_update_bits(codec, WM8737_RIGHT_PGA_VOLUME, WM8737_RVU,
			    WM8737_RVU);

	wm8737_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

	/* Bias level configuration will have done an extra enable */
	regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);

	snd_soc_add_controls(codec, wm8737_snd_controls,
			     ARRAY_SIZE(wm8737_snd_controls));
	wm8737_add_widgets(codec);

	return 0;

err_enable:
	regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);
err_get:
	regulator_bulk_free(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);

	return ret;
}
예제 #4
0
static int wm8737_resume(struct snd_soc_codec *codec)
{
	wm8737_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
	return 0;
}
예제 #5
0
static int wm8737_suspend(struct snd_soc_codec *codec)
{
	wm8737_set_bias_level(codec, SND_SOC_BIAS_OFF);
	return 0;
}