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rated 0 times [  0] [ 0]  / answers: 1 / hits: 1166  / 2 Years ago, sun, november 21, 2021, 5:33:46

I know this question has been asked a million times, but none of the things I've tried from other answers have worked. I've got a Caicos HDMI Audio [Radeon HD 6400 Series] audio device and I've installed "PulseAudio Volume Control" after reading this thread https://askubuntu.com/a/232407/45985 and I can see "Radeon HD 6400" listed in the output devices and see the volume meter moving when I try to playback audio, but nothing comes through the speakers.

aplay -l outputs:



**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: VT1708S Analog [VT1708S Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 3: VT1708S Digital [VT1708S Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0


Screenshot of alsamixer



I can also see the "output bar" moving as if it were playing audio, but still no sound from the speakers...



Any ideas?



Thanks in advance,

Dan


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 Answers
1

The solution was to change the GRUB_CMDLINE_LINUX line in /etc/default/grub from GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX="radeon.audio=1" then run update-grub and restart.


[#30176] Monday, November 22, 2021, 2 Years  [reply] [flag answer]
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