1 // SPDX-License-Identifier: GPL-2.0-only
3 // uda1334.c  --  UDA1334 ALSA SoC Audio driver
47 	int deemph = ucontrol->value.integer.value[0];  in uda1334_put_deemph()
50 		return -EINVAL;  in uda1334_put_deemph()
52 	gpiod_set_value_cansleep(uda1334->deemph, deemph);  in uda1334_put_deemph()
64 	ret = gpiod_get_value_cansleep(uda1334->deemph);  in uda1334_get_deemph()
66 		return -EINVAL;  in uda1334_get_deemph()
68 	ucontrol->value.integer.value[0] = ret;  in uda1334_get_deemph()
91 			   struct snd_soc_dai *dai)  in uda1334_startup()  argument
93 	struct snd_soc_component *component = dai->component;  in uda1334_startup()
97 	 * The set of sample rates that can be supported depends on the  in uda1334_startup()
98 	 * MCLK supplied to the CODEC - enforce this.  in uda1334_startup()
100 	if (!uda1334->sysclk) {  in uda1334_startup()
101 		dev_err(component->dev,  in uda1334_startup()
103 		return -EINVAL;  in uda1334_startup()
106 	snd_pcm_hw_constraint_list(substream->runtime, 0,  in uda1334_startup()
108 				   &uda1334->rate_constraint);  in uda1334_startup()
110 	gpiod_set_value_cansleep(uda1334->mute, 1);  in uda1334_startup()
116 			     struct snd_soc_dai *dai)  in uda1334_shutdown()  argument
118 	struct snd_soc_component *component = dai->component;  in uda1334_shutdown()
121 	gpiod_set_value_cansleep(uda1334->mute, 0);  in uda1334_shutdown()
127 	struct snd_soc_component *component = codec_dai->component;  in uda1334_set_dai_sysclk()
132 	uda1334->sysclk = freq;  in uda1334_set_dai_sysclk()
134 	uda1334->rate_constraint.count = 0;  in uda1334_set_dai_sysclk()
151 			dev_dbg(component->dev, "Supported sample rate: %dHz\n",  in uda1334_set_dai_sysclk()
153 			uda1334->rate_constraint_list[j++] = val;  in uda1334_set_dai_sysclk()
154 			uda1334->rate_constraint.count++;  in uda1334_set_dai_sysclk()
157 			dev_dbg(component->dev, "Skipping sample rate: %dHz\n",  in uda1334_set_dai_sysclk()
163 	if (uda1334->rate_constraint.count == 0)  in uda1334_set_dai_sysclk()
164 		return -EINVAL;  in uda1334_set_dai_sysclk()
176 		dev_err(codec_dai->dev, "Invalid DAI format\n");  in uda1334_set_fmt()
177 		return -EINVAL;  in uda1334_set_fmt()
183 static int uda1334_mute_stream(struct snd_soc_dai *dai, int mute, int stream)  in uda1334_mute_stream()  argument
185 	struct uda1334_priv *uda1334 = snd_soc_component_get_drvdata(dai->component);  in uda1334_mute_stream()
187 	if (uda1334->mute)  in uda1334_mute_stream()
188 		gpiod_set_value_cansleep(uda1334->mute, mute);  in uda1334_mute_stream()
206 	.name = "uda1334-hifi",
221 	uda1334->rate_constraint.list = &uda1334->rate_constraint_list[0];  in uda1334_probe()
222 	uda1334->rate_constraint.count =  in uda1334_probe()
223 		ARRAY_SIZE(uda1334->rate_constraint_list);  in uda1334_probe()
252 	uda1334 = devm_kzalloc(&pdev->dev, sizeof(struct uda1334_priv),  in uda1334_codec_probe()
255 		return -ENOMEM;  in uda1334_codec_probe()
259 	uda1334->mute = devm_gpiod_get(&pdev->dev, "nxp,mute", GPIOD_OUT_LOW);  in uda1334_codec_probe()
260 	if (IS_ERR(uda1334->mute)) {  in uda1334_codec_probe()
261 		ret = PTR_ERR(uda1334->mute);  in uda1334_codec_probe()
262 		dev_err(&pdev->dev, "Failed to get mute line: %d\n", ret);  in uda1334_codec_probe()
266 	uda1334->deemph = devm_gpiod_get(&pdev->dev, "nxp,deemph", GPIOD_OUT_LOW);  in uda1334_codec_probe()
267 	if (IS_ERR(uda1334->deemph)) {  in uda1334_codec_probe()
268 		ret = PTR_ERR(uda1334->deemph);  in uda1334_codec_probe()
269 		dev_err(&pdev->dev, "Failed to get deemph line: %d\n", ret);  in uda1334_codec_probe()
273 	ret = devm_snd_soc_register_component(&pdev->dev,  in uda1334_codec_probe()
277 		dev_err(&pdev->dev, "Failed to register component: %d\n", ret);  in uda1334_codec_probe()
285 		.name	= "uda1334-codec",
293 MODULE_ALIAS("platform:uda1334-codec");