3 // Audio driver for AK5558 ADC
25 #include "ak5558.h"
28 	AK5558,  enumerator
38 /* AK5558 Codec Private Data */
49 /* ak5558 register cache & default register settings */
176 	struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);  in ak5558_hw_params()  local
178 	int pcm_width = max(params_physical_width(params), ak5558->slot_width);  in ak5558_hw_params()
238 	struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);  in ak5558_set_tdm_slot()  local
241 	ak5558->slots = slots;  in ak5558_set_tdm_slot()
242 	ak5558->slot_width = slot_width;  in ak5558_set_tdm_slot()
298 	.name = "ak5558-aif",
321 static void ak5558_reset(struct ak5558_priv *ak5558, bool active)  in ak5558_reset()  argument
323 	if (!ak5558->reset_gpiod)  in ak5558_reset()
326 	gpiod_set_value_cansleep(ak5558->reset_gpiod, active);  in ak5558_reset()
332 	struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);  in ak5558_probe()  local
334 	ak5558_reset(ak5558, false);  in ak5558_probe()
340 	struct ak5558_priv *ak5558 = snd_soc_component_get_drvdata(component);  in ak5558_remove()  local
342 	ak5558_reset(ak5558, true);  in ak5558_remove()
347 	struct ak5558_priv *ak5558 = dev_get_drvdata(dev);  in ak5558_runtime_suspend()  local
349 	regcache_cache_only(ak5558->regmap, true);  in ak5558_runtime_suspend()
350 	ak5558_reset(ak5558, true);  in ak5558_runtime_suspend()
352 	regulator_bulk_disable(ARRAY_SIZE(ak5558->supplies),  in ak5558_runtime_suspend()
353 			       ak5558->supplies);  in ak5558_runtime_suspend()
359 	struct ak5558_priv *ak5558 = dev_get_drvdata(dev);  in ak5558_runtime_resume()  local
362 	ret = regulator_bulk_enable(ARRAY_SIZE(ak5558->supplies),  in ak5558_runtime_resume()
363 				    ak5558->supplies);  in ak5558_runtime_resume()
369 	ak5558_reset(ak5558, true);  in ak5558_runtime_resume()
370 	ak5558_reset(ak5558, false);  in ak5558_runtime_resume()
372 	regcache_cache_only(ak5558->regmap, false);  in ak5558_runtime_resume()
373 	regcache_mark_dirty(ak5558->regmap);  in ak5558_runtime_resume()
375 	return regcache_sync(ak5558->regmap);  in ak5558_runtime_resume()
424 	struct ak5558_priv *ak5558;  in ak5558_i2c_probe()  local
429 	ak5558 = devm_kzalloc(&i2c->dev, sizeof(*ak5558), GFP_KERNEL);  in ak5558_i2c_probe()
430 	if (!ak5558)  in ak5558_i2c_probe()
433 	ak5558->regmap = devm_regmap_init_i2c(i2c, &ak5558_regmap);  in ak5558_i2c_probe()
434 	if (IS_ERR(ak5558->regmap))  in ak5558_i2c_probe()
435 		return PTR_ERR(ak5558->regmap);  in ak5558_i2c_probe()
437 	i2c_set_clientdata(i2c, ak5558);  in ak5558_i2c_probe()
438 	ak5558->i2c = i2c;  in ak5558_i2c_probe()
440 	ak5558->reset_gpiod = devm_gpiod_get_optional(&i2c->dev, "reset",  in ak5558_i2c_probe()
442 	if (IS_ERR(ak5558->reset_gpiod))  in ak5558_i2c_probe()
443 		return PTR_ERR(ak5558->reset_gpiod);  in ak5558_i2c_probe()
445 	for (i = 0; i < ARRAY_SIZE(ak5558->supplies); i++)  in ak5558_i2c_probe()
446 		ak5558->supplies[i].supply = ak5558_supply_names[i];  in ak5558_i2c_probe()
448 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(ak5558->supplies),  in ak5558_i2c_probe()
449 				      ak5558->supplies);  in ak5558_i2c_probe()
462 	case AK5558:  in ak5558_i2c_probe()
477 	regcache_cache_only(ak5558->regmap, true);  in ak5558_i2c_probe()
488 	{ .compatible = "asahi-kasei,ak5558", .data = (void *) AK5558 },
496 		.name = "ak5558",
508 MODULE_DESCRIPTION("ASoC AK5558 ADC driver");