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authorVinod Koul <vinod.koul@intel.com>2011-02-09 14:44:17 +0530
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-02-09 23:02:43 +0000
commitfa9879edebdaad4cfcd2dbe3eaa2ba0dc4f0a262 (patch)
tree47032fd4e879f7390999b180f0557261647742f8 /include/sound
parent866fd9366a5b2c7d17eb10f7e7b1c17393ed0beb (diff)
ASoC: add support for multiple jack types
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>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/soc.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 4b6c0a8c332f..4ccf1e4e0dd0 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -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);
@@ -407,6 +411,24 @@ struct snd_soc_jack_pin {
};
/**
+ * 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
*
* @gpio: gpio number
@@ -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 */