Volumio 3.886 on rPi
Topping E70 Velvet via USB, set to DAC-only mode (i.e not preamp)
I leave the Pi running full time. DAC has the ability to detect playback and auto-wake/sleep, but this does not work with Volumio by default (discussed here) so I manually wake/sleep the DAC via its front panel button.
When I wake the DAC, Volumio correctly registers the USB connection and playback works normally, but playback volume is always set to 68% which is rather startling if someone doesn’t remember to change playback volume. My system startup volume is set to 20%.
Thanks for any assistance.
Full log here.
An example snippet from that log:
Dec 19 15:54:42 parsnip kernel: usb 1-1.4: new high-speed USB device number 15 using xhci_hcd
Dec 19 15:54:42 parsnip kernel: usb 1-1.4: New USB device found, idVendor=152a, idProduct=8750, bcdDevice= 1.07
Dec 19 15:54:42 parsnip kernel: usb 1-1.4: New USB device strings: Mfr=1, Product=3, SerialNumber=0
Dec 19 15:54:42 parsnip kernel: usb 1-1.4: Product: E70 Velvet
Dec 19 15:54:42 parsnip kernel: usb 1-1.4: Manufacturer: Topping
Dec 19 15:54:42 parsnip kernel: usb 1-1.4: 1:3 : unsupported format bits 0x100000000
Dec 19 15:54:42 parsnip volumio[22188]: info:
Dec 19 15:54:42 parsnip volumio[22188]: ---------------------------- USB Audio Device Attached
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: alsa_controller , usbAudioAttach
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::Close All Modals sent
Dec 19 15:54:42 parsnip volumio[22188]: info: Preparing to save Alsa Options, stopping services first
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::volumioGetState
Dec 19 15:54:42 parsnip volumio[22188]: info: CorePlayQueue::getTrack 0
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::volumioPause
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreStateMachine::pause
Dec 19 15:54:42 parsnip volumio[22188]: info: Saving Audio Output to: {"disallowPush":true,"output_device":{"value":"5","label":"E70 Velvet","alsacard":"Velvet"},"i2s":false}
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: i2s_dacs , getI2sStatus
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: i2s_dacs , getI2sStatus
Dec 19 15:54:42 parsnip volumio[22188]: info: Setting mixer E70 Velvet for card E70 Velvet
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::volumioUpdateVolumeSettings
Dec 19 15:54:42 parsnip volumio[22188]: info: Updating Volume Controller Parameters: Device: 5 Name: E70 Velvet Mixer: E70 Velvet Max Vol: 100 Vol Curve; logarithmic Vol Steps: 1
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: alsa_controller , setExternalVolume
Dec 19 15:54:42 parsnip volumio[22188]: info: Disabling external Volume Control
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::getUIConfigOnPlugin
Dec 19 15:54:42 parsnip volumio[22188]: info: Preparing to generate the ALSA configuration file
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: i2s_dacs , getI2sOptions
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: system , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: i2s_dacs , getI2sStatus
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getConfigParam
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: mpd , getPlaybackMode
Dec 19 15:54:42 parsnip volumio[22188]: info: CoreCommandRouter::executeOnPlugin: system , getAdvancedSettingsStatus
Dec 19 15:54:42 parsnip volumio[22188]: info: VolumeController:: Volume=68 Mute =false