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Merge branch 'topic/jack' into for-linus
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tiwai committed Mar 23, 2009
2 parents c2f4398 + 662c319 commit 5b56eec
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Showing 4 changed files with 30 additions and 24 deletions.
3 changes: 3 additions & 0 deletions Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl
Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,9 @@
<chapter><title>Miscellaneous Functions</title>
<sect1><title>Hardware-Dependent Devices API</title>
!Esound/core/hwdep.c
</sect1>
<sect1><title>Jack Abstraction Layer API</title>
!Esound/core/jack.c
</sect1>
<sect1><title>ISA DMA Helpers</title>
!Esound/core/isadma.c
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1 change: 1 addition & 0 deletions include/linux/input.h
Original file line number Diff line number Diff line change
Expand Up @@ -661,6 +661,7 @@ struct input_absinfo {
#define SW_DOCK 0x05 /* set = plugged into dock */
#define SW_LINEOUT_INSERT 0x06 /* set = inserted */
#define SW_JACK_PHYSICAL_INSERT 0x07 /* set = mechanical switch set */
#define SW_VIDEOOUT_INSERT 0x08 /* set = inserted */
#define SW_MAX 0x0f
#define SW_CNT (SW_MAX+1)

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5 changes: 5 additions & 0 deletions include/sound/jack.h
Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,18 @@ struct input_dev;
/**
* Jack types which can be reported. These values are used as a
* bitmask.
*
* Note that this must be kept in sync with the lookup table in
* sound/core/jack.c.
*/
enum snd_jack_types {
SND_JACK_HEADPHONE = 0x0001,
SND_JACK_MICROPHONE = 0x0002,
SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
SND_JACK_LINEOUT = 0x0004,
SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
SND_JACK_VIDEOOUT = 0x0010,
SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
};

struct snd_jack {
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45 changes: 21 additions & 24 deletions sound/core/jack.c
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Expand Up @@ -23,6 +23,14 @@
#include <sound/jack.h>
#include <sound/core.h>

static int jack_types[] = {
SW_HEADPHONE_INSERT,
SW_MICROPHONE_INSERT,
SW_LINEOUT_INSERT,
SW_JACK_PHYSICAL_INSERT,
SW_VIDEOOUT_INSERT,
};

static int snd_jack_dev_free(struct snd_device *device)
{
struct snd_jack *jack = device->device_data;
Expand Down Expand Up @@ -79,6 +87,7 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
{
struct snd_jack *jack;
int err;
int i;
static struct snd_device_ops ops = {
.dev_free = snd_jack_dev_free,
.dev_register = snd_jack_dev_register,
Expand All @@ -100,18 +109,10 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,

jack->type = type;

if (type & SND_JACK_HEADPHONE)
input_set_capability(jack->input_dev, EV_SW,
SW_HEADPHONE_INSERT);
if (type & SND_JACK_LINEOUT)
input_set_capability(jack->input_dev, EV_SW,
SW_LINEOUT_INSERT);
if (type & SND_JACK_MICROPHONE)
input_set_capability(jack->input_dev, EV_SW,
SW_MICROPHONE_INSERT);
if (type & SND_JACK_MECHANICAL)
input_set_capability(jack->input_dev, EV_SW,
SW_JACK_PHYSICAL_INSERT);
for (i = 0; i < ARRAY_SIZE(jack_types); i++)
if (type & (1 << i))
input_set_capability(jack->input_dev, EV_SW,
jack_types[i]);

err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
if (err < 0)
Expand Down Expand Up @@ -154,21 +155,17 @@ EXPORT_SYMBOL(snd_jack_set_parent);
*/
void snd_jack_report(struct snd_jack *jack, int status)
{
int i;

if (!jack)
return;

if (jack->type & SND_JACK_HEADPHONE)
input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT,
status & SND_JACK_HEADPHONE);
if (jack->type & SND_JACK_LINEOUT)
input_report_switch(jack->input_dev, SW_LINEOUT_INSERT,
status & SND_JACK_LINEOUT);
if (jack->type & SND_JACK_MICROPHONE)
input_report_switch(jack->input_dev, SW_MICROPHONE_INSERT,
status & SND_JACK_MICROPHONE);
if (jack->type & SND_JACK_MECHANICAL)
input_report_switch(jack->input_dev, SW_JACK_PHYSICAL_INSERT,
status & SND_JACK_MECHANICAL);
for (i = 0; i < ARRAY_SIZE(jack_types); i++) {
int testbit = 1 << i;
if (jack->type & testbit)
input_report_switch(jack->input_dev, jack_types[i],
status & testbit);
}

input_sync(jack->input_dev);
}
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