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ALSA: jack: Add support to report second microphone

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ALSA jack framework currently supports reporting only
one single microphone. Add support to report presence of
the second microphone to userspace.

Change-Id: I72d16892f2fa563c026bf90d847d9365dcf2233a
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>
This commit is contained in:
Banajit Goswami 2016-11-21 17:49:35 -08:00 • committed by Meng Wang
commit c559fb7c52
3 changed files with 12 additions and 1 deletions
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3
include/sound/jack.h
View file

@ -47,6 +47,9 @@ enum snd_jack_types {
SND_JACK_OC_HPHL = 0x0040,
SND_JACK_OC_HPHR = 0x0080,
SND_JACK_UNSUPPORTED = 0x0100,
SND_JACK_MICROPHONE2 = 0x0200,
SND_JACK_ANC_HEADPHONE = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
SND_JACK_MICROPHONE2,
#endif
/* Kept separate from switches to facilitate implementation */

7
include/uapi/linux/input-event-codes.h
View file

@ -810,7 +810,12 @@
#define SW_PEN_INSERTED 0x0f /* set = pen inserted */
#define SW_HPHL_OVERCURRENT 0x10 /* set = over current on left hph */
#define SW_HPHR_OVERCURRENT 0x11 /* set = over current on right hph */
#define SW_UNSUPPORT_INSERT 0x12 /* set = unsupported device inserted */
#ifdef CONFIG_AUDIO_QGKI
#define SW_MICROPHONE2_INSERT 0x12 /* set = inserted */
#define SW_UNSUPPORT_INSERT 0x13 /* set = unsupported device inserted */
#else
#define SW_UNSUPPORT_INSERT 0x12 /* set = unsupported device inserted */
#endif
#define SW_MAX 0x20
#define SW_CNT (SW_MAX+1)

3
sound/core/jack.c
View file

@ -29,6 +29,9 @@ static int jack_switch_types[] = {
SW_HPHL_OVERCURRENT,
SW_HPHR_OVERCURRENT,
SW_UNSUPPORT_INSERT,
#ifdef CONFIG_AUDIO_QGKI
SW_MICROPHONE2_INSERT,
#endif
};
#endif /* CONFIG_SND_JACK_INPUT_DEV */