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+--- Thread: [IDEA] LG G5 HiFi Plus USB DAC (/showthread.php?tid=4443)
LG G5 HiFi Plus USB DAC - cancunia - 11-02-2021
I'm running Moode on a Pi Zero with a LG G5 HiFi Plus DAC via USB, it works fine via MPD but wondered if it would be possible to configure the DAC settings via I2S? Not surprisingly, there's no entry for this DAC on the I2S drop down list, but thought that perhaps it would work by choosing one of the many DACs that are already supported?
I saw the following on the I2S setup, so am guessing it's not possible, but thought I'd ask.
"NOTE: Set both to "None" if using a USB audio device, "
RE: LG G5 HiFi Plus USB DAC - Tim Curtis - 11-02-2021
If the USB Audio device exposes any chip options to Linux/ALSA they would appear in the output of the amixer command.
Code:
amixerRE: LG G5 HiFi Plus USB DAC - cancunia - 11-02-2021
Looks like amixer does not see the USB device, or maybe I need to select it somehow?
I get the following back from amixer:
----------
Simple mixer control 'HDMI',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback -10239 - 400
Mono: Playback -10239 [0%] [-99999.99dB] [on]
----------
Apologies, I'm new to all this!
aplay -l gives the following, so it's card 1 that I need in amixer
---------------
card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1]
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: HM [HM], device 0: USB Audio [USB Audio]
---------------
pi@moode-zero:~ $ amixer -c1
Simple mixer control 'PCM',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 20
Mono:
Front Left: Playback 20 [100%] [0.00dB] [on]
Front Right: Playback 20 [100%] [0.00dB] [on]
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