Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

3 Commits   0 Branches   0 Tags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) // soc-jack.c  --  ALSA SoC jack handling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) // Copyright 2008 Wolfson Microelectronics PLC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) // Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/suspend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <trace/events/asoc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) struct jack_gpio_tbl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	struct snd_soc_jack *jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	struct snd_soc_jack_gpio *gpios;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * snd_soc_jack_report - Report the current status for a jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  * @jack:   the jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  * @status: a bitmask of enum snd_jack_type values that are currently detected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  * @mask:   a bitmask of enum snd_jack_type values that being reported.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  * If configured using snd_soc_jack_add_pins() then the associated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * DAPM pins will be enabled or disabled as appropriate and DAPM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * synchronised.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * Note: This function uses mutexes and should be called from a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  * context which can sleep (such as a workqueue).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	struct snd_soc_dapm_context *dapm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	struct snd_soc_jack_pin *pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	unsigned int sync = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	int enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	if (!jack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	trace_snd_soc_jack_report(jack, mask, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	dapm = &jack->card->dapm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	mutex_lock(&jack->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	jack->status &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	jack->status |= status & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	trace_snd_soc_jack_notify(jack, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	list_for_each_entry(pin, &jack->pins, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		enable = pin->mask & jack->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		if (pin->invert)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 			enable = !enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		if (enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			snd_soc_dapm_enable_pin(dapm, pin->pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 			snd_soc_dapm_disable_pin(dapm, pin->pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		/* we need to sync for this case only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		sync = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	/* Report before the DAPM sync to help users updating micbias status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	blocking_notifier_call_chain(&jack->notifier, jack->status, jack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	if (sync)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		snd_soc_dapm_sync(dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	snd_jack_report(jack->jack, jack->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	mutex_unlock(&jack->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) EXPORT_SYMBOL_GPL(snd_soc_jack_report);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)  * snd_soc_jack_add_zones - Associate voltage zones with jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)  * @count: Number of zones
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)  * @zones:  Array of zones
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  * After this function has been called the zones specified in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  * array will be associated with the jack.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 			  struct snd_soc_jack_zone *zones)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		INIT_LIST_HEAD(&zones[i].list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		list_add(&(zones[i].list), &jack->jack_zones);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) EXPORT_SYMBOL_GPL(snd_soc_jack_add_zones);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)  * snd_soc_jack_get_type - Based on the mic bias value, this function returns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)  * the type of jack from the zones declared in the jack type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)  * @micbias_voltage:  mic bias voltage at adc channel when jack is plugged in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)  * Based on the mic bias value passed, this function helps identify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)  * the type of jack from the already declared jack zones
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	struct snd_soc_jack_zone *zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	list_for_each_entry(zone, &jack->jack_zones, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		if (micbias_voltage >= zone->min_mv &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			micbias_voltage < zone->max_mv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 				return zone->jack_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) EXPORT_SYMBOL_GPL(snd_soc_jack_get_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)  * snd_soc_jack_add_pins - Associate DAPM pins with an ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)  * @count: Number of pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)  * @pins:  Array of pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)  * After this function has been called the DAPM pins specified in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)  * pins array will have their status updated to reflect the current
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  * state of the jack whenever the jack status is updated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			  struct snd_soc_jack_pin *pins)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		if (!pins[i].pin) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 			dev_err(jack->card->dev, "ASoC: No name for pin %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 				i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		if (!pins[i].mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 			dev_err(jack->card->dev, "ASoC: No mask for pin %d"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 				" (%s)\n", i, pins[i].pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		INIT_LIST_HEAD(&pins[i].list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		list_add(&(pins[i].list), &jack->pins);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		snd_jack_add_new_kctl(jack->jack, pins[i].pin, pins[i].mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	/* Update to reflect the last reported status; canned jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	 * implementations are likely to set their state before the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	 * card has an opportunity to associate pins.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	snd_soc_jack_report(jack, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) EXPORT_SYMBOL_GPL(snd_soc_jack_add_pins);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)  * snd_soc_jack_notifier_register - Register a notifier for jack status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  * @nb:    Notifier block to register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)  * Register for notification of the current status of the jack.  Note
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)  * that it is not possible to report additional jack events in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)  * callback from the notifier, this is intended to support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)  * applications such as enabling electrical detection only when a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)  * mechanical detection event has occurred.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 				    struct notifier_block *nb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	blocking_notifier_chain_register(&jack->notifier, nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) EXPORT_SYMBOL_GPL(snd_soc_jack_notifier_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)  * snd_soc_jack_notifier_unregister - Unregister a notifier for jack status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)  * @nb:    Notifier block to unregister
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)  * Stop notifying for status changes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 				      struct notifier_block *nb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	blocking_notifier_chain_unregister(&jack->notifier, nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) EXPORT_SYMBOL_GPL(snd_soc_jack_notifier_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) #ifdef CONFIG_GPIOLIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* gpio detect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static void snd_soc_jack_gpio_detect(struct snd_soc_jack_gpio *gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	struct snd_soc_jack *jack = gpio->jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	int enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	int report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	enable = gpiod_get_value_cansleep(gpio->desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	if (gpio->invert)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		enable = !enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	if (enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		report = gpio->report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		report = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	if (gpio->jack_status_check)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		report = gpio->jack_status_check(gpio->data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	snd_soc_jack_report(jack, report, gpio->report);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) /* irq handler for gpio pin */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) static irqreturn_t gpio_handler(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	struct snd_soc_jack_gpio *gpio = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	struct device *dev = gpio->jack->card->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	trace_snd_soc_jack_irq(gpio->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	if (device_may_wakeup(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		pm_wakeup_event(dev, gpio->debounce_time + 50);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	queue_delayed_work(system_power_efficient_wq, &gpio->work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			      msecs_to_jiffies(gpio->debounce_time));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /* gpio work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) static void gpio_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	struct snd_soc_jack_gpio *gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	gpio = container_of(work, struct snd_soc_jack_gpio, work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	snd_soc_jack_gpio_detect(gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static int snd_soc_jack_pm_notifier(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 				    unsigned long action, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	struct snd_soc_jack_gpio *gpio =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			container_of(nb, struct snd_soc_jack_gpio, pm_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	switch (action) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	case PM_POST_SUSPEND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	case PM_POST_HIBERNATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	case PM_POST_RESTORE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		 * Use workqueue so we do not have to care about running
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		 * concurrently with work triggered by the interrupt handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		queue_delayed_work(system_power_efficient_wq, &gpio->work, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) static void jack_free_gpios(struct snd_soc_jack *jack, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 			    struct snd_soc_jack_gpio *gpios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		gpiod_unexport(gpios[i].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		unregister_pm_notifier(&gpios[i].pm_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		free_irq(gpiod_to_irq(gpios[i].desc), &gpios[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		cancel_delayed_work_sync(&gpios[i].work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		gpiod_put(gpios[i].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		gpios[i].jack = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) static void jack_devres_free_gpios(struct device *dev, void *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	struct jack_gpio_tbl *tbl = res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	jack_free_gpios(tbl->jack, tbl->count, tbl->gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)  * snd_soc_jack_add_gpios - Associate GPIO pins with an ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)  * @count: number of pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)  * @gpios: array of gpio pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)  * This function will request gpio, set data direction and request irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)  * for each gpio in the array.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 			struct snd_soc_jack_gpio *gpios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	struct jack_gpio_tbl *tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	tbl = devres_alloc(jack_devres_free_gpios, sizeof(*tbl), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	if (!tbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	tbl->jack = jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	tbl->count = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	tbl->gpios = gpios;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		if (!gpios[i].name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 			dev_err(jack->card->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 				"ASoC: No name for gpio at index %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 			goto undo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		if (gpios[i].desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 			/* Already have a GPIO descriptor. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 			goto got_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 		} else if (gpios[i].gpiod_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 			/* Get a GPIO descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 			gpios[i].desc = gpiod_get_index(gpios[i].gpiod_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 							gpios[i].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 							gpios[i].idx, GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 			if (IS_ERR(gpios[i].desc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 				ret = PTR_ERR(gpios[i].desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 				dev_err(gpios[i].gpiod_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 					"ASoC: Cannot get gpio at index %d: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 					i, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 				goto undo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 			/* legacy GPIO number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 			if (!gpio_is_valid(gpios[i].gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 				dev_err(jack->card->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 					"ASoC: Invalid gpio %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 					gpios[i].gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 				ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 				goto undo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 			ret = gpio_request_one(gpios[i].gpio, GPIOF_IN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 					       gpios[i].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 				goto undo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 			gpios[i].desc = gpio_to_desc(gpios[i].gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) got_gpio:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		INIT_DELAYED_WORK(&gpios[i].work, gpio_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		gpios[i].jack = jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 		ret = request_any_context_irq(gpiod_to_irq(gpios[i].desc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 					      gpio_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 					      IRQF_TRIGGER_RISING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 					      IRQF_TRIGGER_FALLING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 					      gpios[i].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 					      &gpios[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 			goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 		if (gpios[i].wake) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 			ret = irq_set_irq_wake(gpiod_to_irq(gpios[i].desc), 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 			if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 				dev_err(jack->card->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 					"ASoC: Failed to mark GPIO at index %d as wake source: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 					i, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		 * Register PM notifier so we do not miss state transitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		 * happening while system is asleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 		gpios[i].pm_notifier.notifier_call = snd_soc_jack_pm_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		register_pm_notifier(&gpios[i].pm_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 		/* Expose GPIO value over sysfs for diagnostic purposes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 		gpiod_export(gpios[i].desc, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 		/* Update initial jack status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 		schedule_delayed_work(&gpios[i].work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 				      msecs_to_jiffies(gpios[i].debounce_time));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	devres_add(jack->card->dev, tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	gpio_free(gpios[i].gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) undo:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	jack_free_gpios(jack, i, gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	devres_free(tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) EXPORT_SYMBOL_GPL(snd_soc_jack_add_gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)  * snd_soc_jack_add_gpiods - Associate GPIO descriptor pins with an ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)  * @gpiod_dev: GPIO consumer device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)  * @jack:      ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)  * @count:     number of pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)  * @gpios:     array of gpio pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)  * This function will request gpio, set data direction and request irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)  * for each gpio in the array.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 			    struct snd_soc_jack *jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 			    int count, struct snd_soc_jack_gpio *gpios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	for (i = 0; i < count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 		gpios[i].gpiod_dev = gpiod_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	return snd_soc_jack_add_gpios(jack, count, gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) EXPORT_SYMBOL_GPL(snd_soc_jack_add_gpiods);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)  * snd_soc_jack_free_gpios - Release GPIO pins' resources of an ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)  * @jack:  ASoC jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)  * @count: number of pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)  * @gpios: array of gpio pins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)  * Release gpio and irq resources for gpio pins associated with an ASoC jack.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 			struct snd_soc_jack_gpio *gpios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	jack_free_gpios(jack, count, gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	devres_destroy(jack->card->dev, jack_devres_free_gpios, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) EXPORT_SYMBOL_GPL(snd_soc_jack_free_gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) #endif	/* CONFIG_GPIOLIB */