1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * wm8971.c  --  WM8971 ALSA SoC Audio driver
159 	SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
163 	SOC_SINGLE("ALC Target Volume", WM8971_ALC1, 0, 7, 0),
164 	SOC_SINGLE("ALC Max Volume", WM8971_ALC1, 4, 7, 0),
166 	SOC_SINGLE("ALC Capture Target Volume", WM8971_ALC1, 0, 7, 0),
167 	SOC_SINGLE("ALC Capture Max Volume", WM8971_ALC1, 4, 7, 0),
168 	SOC_ENUM("ALC Capture Function", wm8971_enum[3]),
169 	SOC_SINGLE("ALC Capture ZC Switch", WM8971_ALC2, 7, 1, 0),
170 	SOC_SINGLE("ALC Capture Hold Time", WM8971_ALC2, 0, 15, 0),
171 	SOC_SINGLE("ALC Capture Decay Time", WM8971_ALC3, 4, 15, 0),
172 	SOC_SINGLE("ALC Capture Attack Time", WM8971_ALC3, 0, 15, 0),
173 	SOC_SINGLE("ALC Capture NG Threshold", WM8971_NGATE, 3, 31, 0),
174 	SOC_ENUM("ALC Capture NG Type", wm8971_enum[4]),
175 	SOC_SINGLE("ALC Capture NG Switch", WM8971_NGATE, 0, 1, 0),
180 	SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
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()
583 			/* mute dac and set vmid to 500k, enable VREF */  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()