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ALSA: jack: lineout support to jack abstraction layer 

This patch introduces support for reporting SW_LINEOUT_INSERT detection events
via the jack abstraction layer.

Also adds a SND_JACK_LINEOUT define to the input system header.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
hifive-unleashed-5.1
Matthew Ranostay 2008-10-25 01:05:04 -04:00 committed by Takashi Iwai
parent ebaa047058
commit a53ccab3cc
3 changed files with 8 additions and 0 deletions
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1
include/linux/input.h
View File

@ -644,6 +644,7 @@ struct input_absinfo {
#define SW_RADIO SW_RFKILL_ALL /* deprecated */
#define SW_MICROPHONE_INSERT 0x04 /* set = inserted */
#define SW_DOCK 0x05 /* set = plugged into dock */
#define SW_LINEOUT_INSERT 0x06 /* set = inserted */
#define SW_MAX 0x0f
#define SW_CNT (SW_MAX+1)

1
include/sound/jack.h
View File

@ -35,6 +35,7 @@ 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,
};
struct snd_jack {

6
sound/core/jack.c
View File

@ -102,6 +102,9 @@ int snd_jack_new(struct snd_card *card, const char *id, int 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);
@ -150,6 +153,9 @@ void snd_jack_report(struct snd_jack *jack, int status)
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);