3  * TS3A227E Autonomous Audio Accessory Detection and Configuration Switch
21 #include "ts3a227e.h"
23 struct ts3a227e {  struct
49 /* TS3A227E registers */
155 static void ts3a227e_jack_report(struct ts3a227e *ts3a227e)  in ts3a227e_jack_report()  argument
160 	if (!ts3a227e->jack)  in ts3a227e_jack_report()
163 	if (ts3a227e->plugged)  in ts3a227e_jack_report()
165 	if (ts3a227e->mic_present)  in ts3a227e_jack_report()
168 		if (ts3a227e->buttons_held & (1 << i))  in ts3a227e_jack_report()
171 	snd_soc_jack_report(ts3a227e->jack, report, TS3A227E_JACK_MASK);  in ts3a227e_jack_report()
174 static void ts3a227e_new_jack_state(struct ts3a227e *ts3a227e, unsigned acc_reg)  in ts3a227e_new_jack_state()  argument
181 	ts3a227e->plugged = plugged;  in ts3a227e_new_jack_state()
183 	if (mic_present != ts3a227e->mic_present) {  in ts3a227e_new_jack_state()
184 		ts3a227e->mic_present = mic_present;  in ts3a227e_new_jack_state()
185 		ts3a227e->buttons_held = 0;  in ts3a227e_new_jack_state()
188 			regmap_update_bits(ts3a227e->regmap,  in ts3a227e_new_jack_state()
197 	struct ts3a227e *ts3a227e = (struct ts3a227e *)data;  in ts3a227e_interrupt()  local
198 	struct regmap *regmap = ts3a227e->regmap;  in ts3a227e_interrupt()
200 	struct device *dev = ts3a227e->dev;  in ts3a227e_interrupt()
212 		ts3a227e_new_jack_state(ts3a227e, acc_reg);  in ts3a227e_interrupt()
224 			ts3a227e->buttons_held |= (1 << i);  in ts3a227e_interrupt()
226 			ts3a227e->buttons_held &= ~(1 << i);  in ts3a227e_interrupt()
229 	ts3a227e_jack_report(ts3a227e);  in ts3a227e_interrupt()
247 	struct ts3a227e *ts3a227e = snd_soc_component_get_drvdata(component);  in ts3a227e_enable_jack_detect()  local
254 	ts3a227e->jack = jack;  in ts3a227e_enable_jack_detect()
255 	ts3a227e_jack_report(ts3a227e);  in ts3a227e_enable_jack_detect()
276 	.name = "ti,ts3a227e",
295 static int ts3a227e_parse_device_property(struct ts3a227e *ts3a227e,  in ts3a227e_parse_device_property()  argument
331 		regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_3,  in ts3a227e_parse_device_property()
343 		regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_1,  in ts3a227e_parse_device_property()
354 	struct ts3a227e *ts3a227e;  in ts3a227e_i2c_probe()  local
359 	ts3a227e = devm_kzalloc(&i2c->dev, sizeof(*ts3a227e), GFP_KERNEL);  in ts3a227e_i2c_probe()
360 	if (ts3a227e == NULL)  in ts3a227e_i2c_probe()
363 	i2c_set_clientdata(i2c, ts3a227e);  in ts3a227e_i2c_probe()
364 	ts3a227e->dev = dev;  in ts3a227e_i2c_probe()
365 	ts3a227e->irq = i2c->irq;  in ts3a227e_i2c_probe()
367 	ts3a227e->regmap = devm_regmap_init_i2c(i2c, &ts3a227e_regmap_config);  in ts3a227e_i2c_probe()
368 	if (IS_ERR(ts3a227e->regmap))  in ts3a227e_i2c_probe()
369 		return PTR_ERR(ts3a227e->regmap);  in ts3a227e_i2c_probe()
371 	ret = ts3a227e_parse_device_property(ts3a227e, dev);  in ts3a227e_i2c_probe()
379 					"TS3A227E", ts3a227e);  in ts3a227e_i2c_probe()
391 	regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_INTERRUPT_DISABLE,  in ts3a227e_i2c_probe()
396 	regmap_read(ts3a227e->regmap, TS3A227E_REG_ACCESSORY_STATUS, &acc_reg);  in ts3a227e_i2c_probe()
397 	ts3a227e_new_jack_state(ts3a227e, acc_reg);  in ts3a227e_i2c_probe()
398 	ts3a227e_jack_report(ts3a227e);  in ts3a227e_i2c_probe()
406 	struct ts3a227e *ts3a227e = dev_get_drvdata(dev);  in ts3a227e_suspend()  local
408 	dev_dbg(ts3a227e->dev, "suspend disable irq\n");  in ts3a227e_suspend()
409 	disable_irq(ts3a227e->irq);  in ts3a227e_suspend()
416 	struct ts3a227e *ts3a227e = dev_get_drvdata(dev);  in ts3a227e_resume()  local
418 	dev_dbg(ts3a227e->dev, "resume enable irq\n");  in ts3a227e_resume()
419 	enable_irq(ts3a227e->irq);  in ts3a227e_resume()
430 	{ "ts3a227e", 0 },
437 	{ .compatible = "ti,ts3a227e", },
453 		.name = "ts3a227e",
463 MODULE_DESCRIPTION("ASoC ts3a227e driver");