sound/soc/soc-jack.c

11 #include <linux/gpio.h>
12 #include <linux/gpio/consumer.h>
210 /* gpio detect */
211 static void snd_soc_jack_gpio_detect(struct snd_soc_jack_gpio *gpio)
213 	struct snd_soc_jack *jack = gpio->jack;
217 	enable = gpiod_get_value_cansleep(gpio->desc);
218 	if (gpio->invert)
222 		report = gpio->report;
226 	if (gpio->jack_status_check)
227 		report = gpio->jack_status_check(gpio->data);
229 	snd_soc_jack_report(jack, report, gpio->report);
232 /* irq handler for gpio pin */
235 	struct snd_soc_jack_gpio *gpio = data;
236 	struct device *dev = gpio->jack->card->dev;
238 	trace_snd_soc_jack_irq(gpio->name);
241 		pm_wakeup_event(dev, gpio->debounce_time + 50);
243 	queue_delayed_work(system_power_efficient_wq, &gpio->work,
244 			      msecs_to_jiffies(gpio->debounce_time));
249 /* gpio work */
252 	struct snd_soc_jack_gpio *gpio;
254 	gpio = container_of(work, struct snd_soc_jack_gpio, work.work);
255 	snd_soc_jack_gpio_detect(gpio);
261 	struct snd_soc_jack_gpio *gpio =
272 		queue_delayed_work(system_power_efficient_wq, &gpio->work, 0);
306  * @gpios: array of gpio pins
308  * This function will request gpio, set data direction and request irq
309  * for each gpio in the array.
327 				"ASoC: No name for gpio at index %d\n", i);
343 					"ASoC: Cannot get gpio at index %d: %d",
349 			if (!gpio_is_valid(gpios[i].gpio)) {
351 					"ASoC: Invalid gpio %d\n",
352 					gpios[i].gpio);
357 			ret = gpio_request_one(gpios[i].gpio, GPIOF_IN,
362 			gpios[i].desc = gpio_to_desc(gpios[i].gpio);
405 	gpio_free(gpios[i].gpio);
420  * @gpios:     array of gpio pins
422  * This function will request gpio, set data direction and request irq
423  * for each gpio in the array.
443  * @gpios: array of gpio pins
445  * Release gpio and irq resources for gpio pins associated with an ASoC jack.