1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8971.c  --  WM8971 ALSA SoC Audio driver
99 static const char *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
100 	"Mono (Right)", "Digital Mono"};
138 	SOC_SINGLE("Mono Playback ZC Switch", WM8971_MOUTV, 7, 1, 0),
146 	SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8971_MOUTM1,
159 	SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
180 	SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
207 /* Mono Mixer */
231 /* Mono ADC Mux */
242 	SND_SOC_DAPM_MIXER("Mono Mixer", WM8971_PWR2, 2, 0,
246 	SND_SOC_DAPM_PGA("Right Out 2", WM8971_PWR2, 3, 0, NULL, 0),
247 	SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
248 	SND_SOC_DAPM_PGA("Right Out 1", WM8971_PWR2, 5, 0, NULL, 0),
249 	SND_SOC_DAPM_PGA("Left Out 1", WM8971_PWR2, 6, 0, NULL, 0),
252 	SND_SOC_DAPM_PGA("Mono Out 1", WM8971_PWR2, 2, 0, NULL, 0),
276 	SND_SOC_DAPM_OUTPUT("MONO"),
296 	/* left out 1 */
297 	{"Left Out 1", NULL, "Left Mixer"},
298 	{"LOUT1", NULL, "Left Out 1"},
300 	/* left out 2 */
301 	{"Left Out 2", NULL, "Left Mixer"},
302 	{"LOUT2", NULL, "Left Out 2"},
304 	/* right out 1 */
305 	{"Right Out 1", NULL, "Right Mixer"},
306 	{"ROUT1", NULL, "Right Out 1"},
308 	/* right out 2 */
309 	{"Right Out 2", NULL, "Right Mixer"},
310 	{"ROUT2", NULL, "Right Out 2"},
312 	/* mono mixer */
313 	{"Mono Mixer", "Left Playback Switch", "Left DAC"},
314 	{"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
315 	{"Mono Mixer", "Right Playback Switch", "Right DAC"},
316 	{"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
318 	/* mono out */
319 	{"Mono Out", NULL, "Mono Mixer"},
320 	{"MONO1", NULL, "Mono Out"},
347 	{"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
348 	{"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
352 	{"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
353 	{"Right ADC Mux", "Digital Mono", "Right PGA 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()