1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8940.c  --  WM8940 ALSA Soc Audio driver
150 	{ 0x38, 0x0000 }, /* Mono Mixer Control */
153 static const char *wm8940_companding[] = { "Off", "NC", "u-law", "A-law" };
171 static DECLARE_TLV_DB_SCALE(wm8940_spk_vol_tlv, -5700, 100, 1);
172 static DECLARE_TLV_DB_SCALE(wm8940_att_tlv, -1000, 1000, 0);
173 static DECLARE_TLV_DB_SCALE(wm8940_pga_vol_tlv, -1200, 75, 0);
174 static DECLARE_TLV_DB_SCALE(wm8940_alc_min_tlv, -1200, 600, 0);
176 static DECLARE_TLV_DB_SCALE(wm8940_alc_tar_tlv, -2250, 50, 0);
178 static DECLARE_TLV_DB_SCALE(wm8940_lim_thresh_tlv, -600, 100, 0);
179 static DECLARE_TLV_DB_SCALE(wm8940_adc_tlv, -12750, 50, 1);
231 	SOC_SINGLE("Mono Out Switch", WM8940_MONOMIX, 6, 1, 1),
232 	SOC_SINGLE_TLV("Mono Mixer Line Bypass Volume", WM8940_MONOMIX,
256 static DECLARE_TLV_DB_SCALE(wm8940_boost_vol_tlv, -1500, 300, 1);
275 	SND_SOC_DAPM_MIXER("Mono Mixer", WM8940_POWER3, 3, 0,
280 	SND_SOC_DAPM_PGA("SpkN Out", WM8940_POWER3, 5, 0, NULL, 0),
281 	SND_SOC_DAPM_PGA("SpkP Out", WM8940_POWER3, 6, 0, NULL, 0),
282 	SND_SOC_DAPM_PGA("Mono Out", WM8940_POWER3, 7, 0, NULL, 0),
303 	/* Mono output mixer */
304 	{"Mono Mixer", "PCM Playback Switch", "DAC"},
305 	{"Mono Mixer", "Aux Playback Switch", "Aux Input"},
306 	{"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
314 	{"Mono Out", NULL, "Mono Mixer"},
315 	{"MONOOUT", NULL, "Mono Out"},
316 	{"SpkN Out", NULL, "Speaker Mixer"},
317 	{"SpkP Out", NULL, "Speaker Mixer"},
318 	{"SPKOUTN", NULL, "SpkN Out"},
319 	{"SPKOUTP", NULL, "SpkP Out"},
339 	struct snd_soc_component *component = codec_dai->component;  in wm8940_set_dai_fmt()
350 		return -EINVAL;  in wm8940_set_dai_fmt()
394 	struct snd_soc_component *component = dai->component;  in wm8940_i2s_hw_params()
402 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE  in wm8940_i2s_hw_params()
457 	struct snd_soc_component *component = dai->component;  in wm8940_mute()
493 			ret = regcache_sync(wm8940->regmap);  in wm8940_set_bias_level()
495 				dev_err(component->dev, "Failed to sync cache: %d\n", ret);  in wm8940_set_bias_level()
576 	struct snd_soc_component *component = codec_dai->component;  in wm8940_set_dai_pll()
617 	struct snd_soc_component *component = codec_dai->component;  in wm8940_set_dai_sysclk()
626 		wm8940->sysclk = freq;  in wm8940_set_dai_sysclk()
629 	return -EINVAL;  in wm8940_set_dai_sysclk()
635 	struct snd_soc_component *component = codec_dai->component;  in wm8940_set_dai_clkdiv()
675 	.name = "wm8940-hifi",
696 	struct wm8940_setup_data *pdata = component->dev->platform_data;  in wm8940_probe()
702 		dev_err(component->dev, "Failed to issue reset\n");  in wm8940_probe()
713 		dev_warn(component->dev, "No platform data supplied\n");  in wm8940_probe()
716 		ret = snd_soc_component_write(component, WM8940_OUTPUTCTL, reg | pdata->vroi);  in wm8940_probe()
757 	wm8940 = devm_kzalloc(&i2c->dev, sizeof(struct wm8940_priv),  in wm8940_i2c_probe()
760 		return -ENOMEM;  in wm8940_i2c_probe()
762 	wm8940->regmap = devm_regmap_init_i2c(i2c, &wm8940_regmap);  in wm8940_i2c_probe()
763 	if (IS_ERR(wm8940->regmap))  in wm8940_i2c_probe()
764 		return PTR_ERR(wm8940->regmap);  in wm8940_i2c_probe()
768 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8940_i2c_probe()