1 // SPDX-License-Identifier: GPL-2.0-only
3  * cs4349.c  --  CS4349 ALSA Soc Audio driver
26 #include <sound/soc-dapm.h>
33 	{ 2, 0x00 },	/* r02	- Mode Control */
34 	{ 3, 0x09 },	/* r03	- Volume, Mixing and Inversion Control */
35 	{ 4, 0x81 },	/* r04	- Mute Control */
36 	{ 5, 0x00 },	/* r05	- Channel A Volume Control */
37 	{ 6, 0x00 },	/* r06	- Channel B Volume Control */
38 	{ 7, 0xB1 },	/* r07	- Ramp and Filter Control */
39 	{ 8, 0x1C },	/* r08	- Misc. Control */
73 	struct snd_soc_component *component = codec_dai->component;  in cs4349_set_dai_fmt()
83 		cs4349->mode = format & SND_SOC_DAIFMT_FORMAT_MASK;  in cs4349_set_dai_fmt()
86 		return -EINVAL;  in cs4349_set_dai_fmt()
96 	struct snd_soc_component *component = dai->component;  in cs4349_pcm_hw_params()
100 	cs4349->rate = params_rate(params);  in cs4349_pcm_hw_params()
102 	switch (cs4349->mode) {  in cs4349_pcm_hw_params()
118 			return -EINVAL;  in cs4349_pcm_hw_params()
122 		return -EINVAL;  in cs4349_pcm_hw_params()
135 	struct snd_soc_component *component = dai->component;  in cs4349_mute()
145 static DECLARE_TLV_DB_SCALE(dig_tlv, -12750, 50, 0);
163 	"Immediate", "Zero Cross", "Soft Ramp", "SR on ZC",
195 	SOC_ENUM("De-Emphasis Control", deemph_enum),
196 	SOC_ENUM("Soft Ramp Zero Cross Control", softr_zeroc_enum),
201 	SOC_SINGLE("Auto-Mute Switch", CS4349_MUTE, 7, 1, 0),
203 	SOC_SINGLE("Soft Ramp Up Switch", CS4349_RMPFLT, 5, 1, 0),
204 	SOC_SINGLE("Soft Ramp Down Switch", CS4349_RMPFLT, 4, 1, 0),
281 	cs4349 = devm_kzalloc(&client->dev, sizeof(*cs4349), GFP_KERNEL);  in cs4349_i2c_probe()
283 		return -ENOMEM;  in cs4349_i2c_probe()
285 	cs4349->regmap = devm_regmap_init_i2c(client, &cs4349_regmap);  in cs4349_i2c_probe()
286 	if (IS_ERR(cs4349->regmap)) {  in cs4349_i2c_probe()
287 		ret = PTR_ERR(cs4349->regmap);  in cs4349_i2c_probe()
288 		dev_err(&client->dev, "regmap_init() failed: %d\n", ret);  in cs4349_i2c_probe()
293 	cs4349->reset_gpio = devm_gpiod_get_optional(&client->dev,  in cs4349_i2c_probe()
295 	if (IS_ERR(cs4349->reset_gpio))  in cs4349_i2c_probe()
296 		return PTR_ERR(cs4349->reset_gpio);  in cs4349_i2c_probe()
298 	gpiod_set_value_cansleep(cs4349->reset_gpio, 1);  in cs4349_i2c_probe()
302 	return devm_snd_soc_register_component(&client->dev,  in cs4349_i2c_probe()
312 	gpiod_set_value_cansleep(cs4349->reset_gpio, 0);  in cs4349_i2c_remove()
321 	ret = regmap_update_bits(cs4349->regmap, CS4349_MISC, PWR_DWN, PWR_DWN);  in cs4349_runtime_suspend()
325 	regcache_cache_only(cs4349->regmap, true);  in cs4349_runtime_suspend()
328 	gpiod_set_value_cansleep(cs4349->reset_gpio, 0);  in cs4349_runtime_suspend()
338 	ret = regmap_update_bits(cs4349->regmap, CS4349_MISC, PWR_DWN, 0);  in cs4349_runtime_resume()
342 	gpiod_set_value_cansleep(cs4349->reset_gpio, 1);  in cs4349_runtime_resume()
344 	regcache_cache_only(cs4349->regmap, false);  in cs4349_runtime_resume()
345 	regcache_sync(cs4349->regmap);  in cs4349_runtime_resume()