Volumio 1.5.5 cannot use the hardware volume control with Raspberry Pi2 + HiFiBerry DAC+ Pro
I googled so many website, tried so many way to enable the hardware volume control, but fail.
Anyone using the DAC + PRO?
The mpd.conf output:
[spoiler]###################################
Auto generated mpd.conf file
please DO NOT edit it manually!
Use player-UI MPD config section
###################################
follow_outside_symlinks “yes”
follow_inside_symlinks “yes”
db_file “/var/lib/mpd/tag_cache”
sticker_file “/var/lib/mpd/sticker.sql”
log_file “/var/log/mpd/mpd.log”
pid_file “/var/run/mpd/pid”
music_directory “/var/lib/mpd/music”
playlist_directory “/var/lib/mpd/playlists”
state_file “/var/lib/mpd/state”
user “mpd”
bind_to_address “any”
port “6600”
zeroconf_enabled “yes”
zeroconf_name “volumio”
samplerate_converter “Medium Sinc Interpolator”
volume_normalization “no”
audio_buffer_size “2048”
buffer_before_play “20%”
filesystem_charset “UTF-8”
id3v1_encoding “UTF-8”
gapless_mp3_playback “yes”
auto_update “no”
group “audio”
max_connections “20”
decoder {
plugin “ffmpeg”
enabled “yes”
}
input {
plugin “curl”
}
audio_output {
type "alsa"
name "Output"
device "hw:0,0"
mixer_control "Playback Digital"
mixer_device "hw:0"
mixer_index "0"
dop "no"
}[/spoiler]
Kernel version:
[spoiler]uname -a
Linux Jason-DAC 4.1.15-v7+ #830 SMP Tue Dec 15 17:02:45 GMT 2015 armv7l GNU/Linux[/spoiler]
aplay -l output:
[spoiler]aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_dacplus], device 0: HiFiBerry DAC+ Pro HiFi pcm512x-hifi-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 1: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0[/spoiler]
amixer output:
[spoiler]Simple mixer control ‘DSP Program’,0
Capabilities: enum
Items: ‘FIR interpolation with de-emphasis’ ‘Low latency IIR with de-emphasis’ ‘High attenuation with de-emphasis’ ‘Fixed process flow’ ‘Ringing-less low latency FIR’
Item0: ‘FIR interpolation with de-emphasis’
Simple mixer control ‘Analogue’,0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 1
Mono:
Front Left: Playback 1 [100%] [0.00dB]
Front Right: Playback 1 [100%] [0.00dB]
Simple mixer control ‘Analogue Playback Boost’,0
Capabilities: volume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 1
Front Left: 0 [0%] [0.00dB]
Front Right: 0 [0%] [0.00dB]
Simple mixer control ‘Auto Mute’,0
Capabilities: pswitch
Playback channels: Front Left - Front Right
Mono:
Front Left: Playback [on]
Front Right: Playback [on]
Simple mixer control ‘Auto Mute Mono’,0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control ‘Auto Mute Time Left’,0
Capabilities: enum
Items: ‘21ms’ ‘106ms’ ‘213ms’ ‘533ms’ ‘1.07s’ ‘2.13s’ ‘5.33s’ ‘10.66s’
Item0: ‘21ms’
Simple mixer control ‘Auto Mute Time Right’,0
Capabilities: enum
Items: ‘21ms’ ‘106ms’ ‘213ms’ ‘533ms’ ‘1.07s’ ‘2.13s’ ‘5.33s’ ‘10.66s’
Item0: ‘21ms’
Simple mixer control ‘Clock Missing Period’,0
Capabilities: enum
Items: ‘1s’ ‘2s’ ‘3s’ ‘4s’ ‘5s’ ‘6s’ ‘7s’ ‘8s’
Item0: ‘1s’
Simple mixer control ‘Deemphasis’,0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control ‘Digital’,0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 204 [80%] [-1.50dB] [on]
Front Right: Playback 204 [80%] [-1.50dB] [on]
Simple mixer control ‘Max Overclock DAC’,0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 40
Mono: 0 [0%]
Simple mixer control ‘Max Overclock DSP’,0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 40
Mono: 0 [0%]
Simple mixer control ‘Max Overclock PLL’,0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 20
Mono: 0 [0%]
Simple mixer control ‘Volume Ramp Down Emergency Rate’,0
Capabilities: enum
Items: ‘1 sample/update’ ‘2 samples/update’ ‘4 samples/update’ ‘Immediate’
Item0: ‘1 sample/update’
Simple mixer control ‘Volume Ramp Down Emergency Step’,0
Capabilities: enum
Items: ‘4dB/step’ ‘2dB/step’ ‘1dB/step’ ‘0.5dB/step’
Item0: ‘4dB/step’
Simple mixer control ‘Volume Ramp Down Rate’,0
Capabilities: enum
Items: ‘1 sample/update’ ‘2 samples/update’ ‘4 samples/update’ ‘Immediate’
Item0: ‘1 sample/update’
Simple mixer control ‘Volume Ramp Down Step’,0
Capabilities: enum
Items: ‘4dB/step’ ‘2dB/step’ ‘1dB/step’ ‘0.5dB/step’
Item0: ‘1dB/step’
Simple mixer control ‘Volume Ramp Up Rate’,0
Capabilities: enum
Items: ‘1 sample/update’ ‘2 samples/update’ ‘4 samples/update’ ‘Immediate’
Item0: ‘1 sample/update’
Simple mixer control ‘Volume Ramp Up Step’,0
Capabilities: enum
Items: ‘4dB/step’ ‘2dB/step’ ‘1dB/step’ ‘0.5dB/step’
Item0: ‘1dB/step’[/spoiler]
Thanks,
Jason