A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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ASoC: add support for multiple jack types

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This patch adds soc-jack support for adding voltage zones and for
detecting jack type

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Harsha Priya <priya.harsha@intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Vinod Koul 2011-02-09 14:44:17 +05:30 • committed by Mark Brown
commit fa9879edeb
2 changed files with 69 additions and 0 deletions
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23
include/sound/soc.h
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@ -234,6 +234,7 @@ struct snd_soc_codec;
struct snd_soc_codec_driver;
struct soc_enum;
struct snd_soc_jack;
struct snd_soc_jack_zone;
struct snd_soc_jack_pin;
struct snd_soc_cache_ops;
#include <sound/soc-dapm.h>
@ -307,6 +308,9 @@ void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
struct notifier_block *nb);
void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
struct notifier_block *nb);
int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_zone *zones);
int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
#ifdef CONFIG_GPIOLIB
int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
struct snd_soc_jack_gpio *gpios);
@ -406,6 +410,24 @@ struct snd_soc_jack_pin {
bool invert;
};
/**
* struct snd_soc_jack_zone - Describes voltage zones of jack detection
*
* @min_mv: start voltage in mv
* @max_mv: end voltage in mv
* @jack_type: type of jack that is expected for this voltage
* @debounce_time: debounce_time for jack, codec driver should wait for this
* duration before reading the adc for voltages
* @:list: list container
*/
struct snd_soc_jack_zone {
unsigned int min_mv;
unsigned int max_mv;
unsigned int jack_type;
unsigned int debounce_time;
struct list_head list;
};
/**
* struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
*
@ -435,6 +457,7 @@ struct snd_soc_jack {
struct list_head pins;
int status;
struct blocking_notifier_head notifier;
struct list_head jack_zones;
};
/* SoC PCM stream information */