From bb92b7c4ed4f7d5102bb1623cc8a1a9960ddfc08 Mon Sep 17 00:00:00 2001 From: Raymond Yau Date: Tue, 17 Jan 2012 11:32:17 +0800 Subject: ALSA: Au88x0 - Implement subdevice volume controls - add "PCM Playback Volume" controls for 16 playback subdevices This allow application to change the volume of each subdevice by using hardware mixer of au88x0 and default is zero gain/attenunation. Signed-off-by: Raymond Yau Signed-off-by: Takashi Iwai --- sound/pci/au88x0/au88x0.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'sound/pci/au88x0/au88x0.h') diff --git a/sound/pci/au88x0/au88x0.h b/sound/pci/au88x0/au88x0.h index bb938153a964..466a5c8e8354 100644 --- a/sound/pci/au88x0/au88x0.h +++ b/sound/pci/au88x0/au88x0.h @@ -26,7 +26,7 @@ #include #include #include - +#include #endif #ifndef CHIP_AU8820 @@ -107,6 +107,14 @@ #define NR_WTPB 0x20 /* WT channels per each bank. */ #define NR_PCM 0x10 +struct pcm_vol { + struct snd_kcontrol *kctl; + int active; + int dma; + int mixin[4]; + int vol[4]; +}; + /* Structs */ typedef struct { //int this_08; /* Still unknown */ @@ -168,6 +176,7 @@ struct snd_vortex { /* Xtalk canceler */ int xt_mode; /* 1: speakers, 0:headphones. */ #endif + struct pcm_vol pcm_vol[NR_PCM]; int isquad; /* cache of extended ID codec flag. */ @@ -239,7 +248,7 @@ static int vortex_alsafmt_aspfmt(int alsafmt); /* Connection stuff. */ static void vortex_connect_default(vortex_t * vortex, int en); static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch, - int dir, int type); + int dir, int type, int subdev); static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, int restype); #ifndef CHIP_AU8810 -- cgit v1.2.3