iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'topic/jack' into for-linus

Browse Source
This commit is contained in:
Takashi Iwai 2009-03-24 00:35:43 +01:00
commit 5b56eec774
4 changed files with 30 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl
View File

@ -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

1
include/linux/input.h
View File

@ -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)

5
include/sound/jack.h
View File

@ -30,6 +30,9 @@ 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,
@ -37,6 +40,8 @@ enum snd_jack_types {
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 {

45
sound/core/jack.c
View File

@ -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;
@ -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,
@ -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)
@ -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);
}