77 lines
1.3 KiB
Plaintext
77 lines
1.3 KiB
Plaintext
# Configuration for the VC4-HDMI sound card using software IEC958
|
|
# subframe conversion
|
|
|
|
<confdir:pcm/hdmi.conf>
|
|
vc4-hdmi.pcm.hdmi.0 {
|
|
@args [ CARD AES0 AES1 AES2 AES3 ]
|
|
@args.CARD {
|
|
type string
|
|
}
|
|
@args.AES0 {
|
|
type integer
|
|
}
|
|
@args.AES1 {
|
|
type integer
|
|
}
|
|
@args.AES2 {
|
|
type integer
|
|
}
|
|
@args.AES3 {
|
|
type integer
|
|
default 0x01 # IEC958_AES3_CON_FS_NOTID
|
|
}
|
|
type iec958
|
|
slave {
|
|
format IEC958_SUBFRAME_LE
|
|
pcm {
|
|
type hooks
|
|
slave.pcm {
|
|
type hw
|
|
card $CARD
|
|
device 0
|
|
}
|
|
hooks.0 {
|
|
type ctl_elems
|
|
hook_args [
|
|
{
|
|
name "IEC958 Playback Default"
|
|
optional true
|
|
lock true
|
|
preserve true
|
|
value [ $AES0 $AES1 $AES2 $AES3 ]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
status [ $AES0 $AES1 $AES2 $AES3 ]
|
|
hdmi_mode true
|
|
}
|
|
|
|
# default with plug
|
|
vc4-hdmi.pcm.default {
|
|
@args [ CARD ]
|
|
@args.CARD {
|
|
type string
|
|
}
|
|
type plug
|
|
slave.pcm {
|
|
type softvol
|
|
slave.pcm {
|
|
@func concat
|
|
strings [
|
|
"hdmi:"
|
|
"CARD=" $CARD ","
|
|
"AES0=0x00," # IEC958_AES0_CON_EMPHASIS_NONE
|
|
"AES1=0x82," # IEC958_AES1_CON_ORIGINAL | IEC958_AES1_CON_PCM_CODER
|
|
"AES2=0x00," # IEC958_AES2_CON_SOURCE_UNSPEC | IEC958_AES2_CON_CHANNEL_UNSPEC
|
|
"AES3=0x01" # IEC958_AES3_CON_FS_NOTID
|
|
]
|
|
}
|
|
control {
|
|
name "PCM Playback Volume"
|
|
card $CARD
|
|
}
|
|
}
|
|
}
|