2  * wm8971.c  --  WM8971 ALSA SoC Audio driver
103 static const char *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
104 	"Mono (Right)", "Digital Mono"};
142 	SOC_SINGLE("Mono Playback ZC Switch", WM8971_MOUTV, 7, 1, 0),
150 	SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8971_MOUTM1,
163 	SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
184 	SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
211 /* Mono Mixer */
235 /* Mono ADC Mux */
246 	SND_SOC_DAPM_MIXER("Mono Mixer", WM8971_PWR2, 2, 0,
250 	SND_SOC_DAPM_PGA("Right Out 2", WM8971_PWR2, 3, 0, NULL, 0),
251 	SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
252 	SND_SOC_DAPM_PGA("Right Out 1", WM8971_PWR2, 5, 0, NULL, 0),
253 	SND_SOC_DAPM_PGA("Left Out 1", WM8971_PWR2, 6, 0, NULL, 0),
256 	SND_SOC_DAPM_PGA("Mono Out 1", WM8971_PWR2, 2, 0, NULL, 0),
280 	SND_SOC_DAPM_OUTPUT("MONO"),
300 	/* left out 1 */
301 	{"Left Out 1", NULL, "Left Mixer"},
302 	{"LOUT1", NULL, "Left Out 1"},
304 	/* left out 2 */
305 	{"Left Out 2", NULL, "Left Mixer"},
306 	{"LOUT2", NULL, "Left Out 2"},
308 	/* right out 1 */
309 	{"Right Out 1", NULL, "Right Mixer"},
310 	{"ROUT1", NULL, "Right Out 1"},
312 	/* right out 2 */
313 	{"Right Out 2", NULL, "Right Mixer"},
314 	{"ROUT2", NULL, "Right Out 2"},
316 	/* mono mixer */
317 	{"Mono Mixer", "Left Playback Switch", "Left DAC"},
318 	{"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
319 	{"Mono Mixer", "Right Playback Switch", "Right DAC"},
320 	{"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
322 	/* mono out */
323 	{"Mono Out", NULL, "Mono Mixer"},
324 	{"MONO1", NULL, "Mono Out"},
351 	{"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
352 	{"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
356 	{"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
357 	{"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
430 	return -EINVAL;  in get_coeff()
436 	struct snd_soc_component *component = codec_dai->component;  in wm8971_set_dai_sysclk()
445 		wm8971->sysclk = freq;  in wm8971_set_dai_sysclk()
448 	return -EINVAL;  in wm8971_set_dai_sysclk()
454 	struct snd_soc_component *component = codec_dai->component;  in wm8971_set_dai_fmt()
465 		return -EINVAL;  in wm8971_set_dai_fmt()
485 		return -EINVAL;  in wm8971_set_dai_fmt()
502 		return -EINVAL;  in wm8971_set_dai_fmt()
513 	struct snd_soc_component *component = dai->component;  in wm8971_pcm_hw_params()
517 	int coeff = get_coeff(wm8971->sysclk, params_rate(params));  in wm8971_pcm_hw_params()
545 	struct snd_soc_component *component = dai->component;  in wm8971_mute()
561 	regmap_update_bits(wm8971->regmap, WM8971_PWR1, 0x0180, 0x0100);  in wm8971_charge_work()
577 		flush_delayed_work(&wm8971->charge_work);  in wm8971_set_bias_level()
582 			/* charge output caps - set vmid to 5k for quick power up */  in wm8971_set_bias_level()
585 				&wm8971->charge_work, msecs_to_jiffies(1000));  in wm8971_set_bias_level()
593 		cancel_delayed_work_sync(&wm8971->charge_work);  in wm8971_set_bias_level()
615 	.name = "wm8971-hifi",
635 	INIT_DELAYED_WORK(&wm8971->charge_work, wm8971_charge_work);  in wm8971_probe()
684 	wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv),  in wm8971_i2c_probe()
687 		return -ENOMEM;  in wm8971_i2c_probe()
689 	wm8971->regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap);  in wm8971_i2c_probe()
690 	if (IS_ERR(wm8971->regmap))  in wm8971_i2c_probe()
691 		return PTR_ERR(wm8971->regmap);  in wm8971_i2c_probe()
695 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8971_i2c_probe()