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hosted: Document HW capabilities of audio drivers 

One surprise:  X3ii is capable of 384KHz playback

Change-Id: I0cc88637c81a21d54979e82b2941fe14de933d4d
This commit is contained in:
Solomon Peachy 2020-10-25 00:32:36 -04:00
parent e7a492ef55
commit 4afd1f9aa6
2 changed files with 68 additions and 0 deletions
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26
firmware/drivers/audio/erosqlinux_codec.c
View File

@ -37,6 +37,32 @@
#include "logf.h"
/*
PCM device hw:0,0
ACCESS: MMAP_INTERLEAVED RW_INTERLEAVED
FORMAT: S16_LE S24_LE
SUBFORMAT: STD
SAMPLE_BITS: [16 32]
FRAME_BITS: [16 64]
CHANNELS: [1 2]
RATE: [8000 192000]
PERIOD_TIME: (2666 8192000]
PERIOD_SIZE: [512 65536]
PERIOD_BYTES: [4096 131072]
PERIODS: [4 128]
BUFFER_TIME: (10666 32768000]
BUFFER_SIZE: [2048 262144]
BUFFER_BYTES: [4096 524288]
TICK_TIME: ALL
Mixer controls:
numid=1,iface=MIXER,name='Output Port Switch'
; type=INTEGER,access=rw------,values=1,min=0,max=5,step=0
: values=4
*/
static int fd_hw = -1;
static long int vol_l_hw = 255;

42
firmware/drivers/audio/xduoolinux_codec.c
View File

@ -36,6 +36,48 @@
#include "logf.h"
/*
X3ii:
PCM device hw:0,0
ACCESS: MMAP_INTERLEAVED RW_INTERLEAVED
FORMAT: S16_LE S24_LE
SUBFORMAT: STD
SAMPLE_BITS: [16 32]
FRAME_BITS: [16 64]
CHANNELS: [1 2]
RATE: [8000 384000]
PERIOD_TIME: (1333 16384000]
PERIOD_SIZE: [512 131072]
PERIOD_BYTES: [4096 262144]
PERIODS: [4 256]
BUFFER_TIME: (5333 65536000]
BUFFER_SIZE: [2048 524288]
BUFFER_BYTES: [4096 1048576]
TICK_TIME: ALL
Mixer controls:
numid=1,iface=MIXER,name='Left Playback Volume'
; type=INTEGER,access=rw------,values=1,min=0,max=255,step=0
: values=0
numid=2,iface=MIXER,name='Right Playback Volume'
; type=INTEGER,access=rw------,values=1,min=0,max=255,step=0
: values=0
numid=3,iface=MIXER,name='AK4490 Digital Filter'
; type=INTEGER,access=rw------,values=1,min=0,max=4,step=0
: values=0
numid=4,iface=MIXER,name='AK4490 Soft Mute'
; type=BOOLEAN,access=rw------,values=1
: values=off
numid=5,iface=MIXER,name='Output Port Switch'
; type=INTEGER,access=rw------,values=1,min=0,max=5,step=0
: values=0
*/
static int fd_hw = -1;
static long int vol_l_hw = 255;