1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8971.c  --  WM8971 ALSA SoC Audio driver
97 	"Mute ADC Output" };
159 	SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
180 	SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
215 /* Left Line Mux */
219 /* Right Line Mux */
223 /* Left PGA Mux */
227 /* Right PGA Mux */
231 /* Mono ADC Mux */
255 	SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8971_PWR1, 2, 0),
256 	SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8971_PWR1, 3, 0),
258 	SND_SOC_DAPM_MUX("Left PGA Mux", WM8971_PWR1, 5, 0,
260 	SND_SOC_DAPM_MUX("Right PGA Mux", WM8971_PWR1, 4, 0,
262 	SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
264 	SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
267 	SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
269 	SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
286 	{"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
288 	{"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
292 	{"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
294 	{"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
314 	{"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
316 	{"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
322 	/* Left Line Mux */
323 	{"Left Line Mux", "Line", "LINPUT1"},
324 	{"Left Line Mux", "PGA", "Left PGA Mux"},
325 	{"Left Line Mux", "Differential", "Differential Mux"},
327 	/* Right Line Mux */
328 	{"Right Line Mux", "Line", "RINPUT1"},
329 	{"Right Line Mux", "Mic", "MIC"},
330 	{"Right Line Mux", "PGA", "Right PGA Mux"},
331 	{"Right Line Mux", "Differential", "Differential Mux"},
333 	/* Left PGA Mux */
334 	{"Left PGA Mux", "Line", "LINPUT1"},
335 	{"Left PGA Mux", "Differential", "Differential Mux"},
337 	/* Right PGA Mux */
338 	{"Right PGA Mux", "Line", "RINPUT1"},
339 	{"Right PGA Mux", "Differential", "Differential Mux"},
341 	/* Differential Mux */
342 	{"Differential Mux", "Line", "LINPUT1"},
343 	{"Differential Mux", "Line", "RINPUT1"},
345 	/* Left ADC Mux */
346 	{"Left ADC Mux", "Stereo", "Left PGA Mux"},
347 	{"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
348 	{"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
350 	/* Right ADC Mux */
351 	{"Right ADC Mux", "Stereo", "Right PGA Mux"},
352 	{"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
353 	{"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
355 	/* ADC */
356 	{"Left ADC", NULL, "Left ADC Mux"},
357 	{"Right ADC", NULL, "Right ADC Mux"},
426 	return -EINVAL;  in get_coeff()
432 	struct snd_soc_component *component = codec_dai->component;  in wm8971_set_dai_sysclk()
441 		wm8971->sysclk = freq;  in wm8971_set_dai_sysclk()
444 	return -EINVAL;  in wm8971_set_dai_sysclk()
450 	struct snd_soc_component *component = codec_dai->component;  in wm8971_set_dai_fmt()
461 		return -EINVAL;  in wm8971_set_dai_fmt()
481 		return -EINVAL;  in wm8971_set_dai_fmt()
498 		return -EINVAL;  in wm8971_set_dai_fmt()
509 	struct snd_soc_component *component = dai->component;  in wm8971_pcm_hw_params()
513 	int coeff = get_coeff(wm8971->sysclk, params_rate(params));  in wm8971_pcm_hw_params()
541 	struct snd_soc_component *component = dai->component;  in wm8971_mute()
557 	regmap_update_bits(wm8971->regmap, WM8971_PWR1, 0x0180, 0x0100);  in wm8971_charge_work()
573 		flush_delayed_work(&wm8971->charge_work);  in wm8971_set_bias_level()
578 			/* charge output caps - set vmid to 5k for quick power up */  in wm8971_set_bias_level()
581 				&wm8971->charge_work, msecs_to_jiffies(1000));  in wm8971_set_bias_level()
589 		cancel_delayed_work_sync(&wm8971->charge_work);  in wm8971_set_bias_level()
612 	.name = "wm8971-hifi",
632 	INIT_DELAYED_WORK(&wm8971->charge_work, wm8971_charge_work);  in wm8971_probe()
678 	wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv),  in wm8971_i2c_probe()
681 		return -ENOMEM;  in wm8971_i2c_probe()
683 	wm8971->regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap);  in wm8971_i2c_probe()
684 	if (IS_ERR(wm8971->regmap))  in wm8971_i2c_probe()
685 		return PTR_ERR(wm8971->regmap);  in wm8971_i2c_probe()
689 	return devm_snd_soc_register_component(&i2c->dev,  in wm8971_i2c_probe()