This problem has shown up in 16.04 with alsamixer v1.1.0. Did someone remove the patch or fail to integrate the fix into 16.04 had to run alsamixer from terminal and unmute the speaker from there. Muting and un-muting in rhythem box does not fix the HDMI sound problem.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/864735 Title: [ATI HDMI] HDMI Audio Disabled by Default (since oneiric) Status in alsa-driver package in Ubuntu: Fix Released Bug description: Since kernel 3.0, upstream has disabled audio output for all ATI cards in the Radeon driver by default. === Workaround 1 === Edit /etc/default/grub and change this line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to this line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.audio=1" Now run "sudo update-grub", then reboot your computer. === Or workaround 2 === Install the proprietary Catalyst driver. === There's no sound at all and videos playback in fast forward when outputting through the HDMI controller. This is a regression since it worked well in previous releases. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: alsa-base 1.0.24+dfsg-0ubuntu2 ProcVersionSignature: Ubuntu 3.0.0-12.19-generic-pae 3.0.4 Uname: Linux 3.0.0-12-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 1.23-0ubuntu2 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: melvin 8335 F.... pulseaudio /dev/snd/pcmC1D3p: melvin 8335 F...m pulseaudio /dev/snd/controlC0: melvin 8335 F.... pulseaudio Card0.Amixer.info: Card hw:0 'SB'/'HDA ATI SB at 0xfe6f4000 irq 16' Mixer name : 'Realtek ALC1200' Components : 'HDA:10ec0888,10ec0888,00100101' Controls : 38 Simple ctrls : 21 Card1.Amixer.info: Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfe8e8000 irq 19' Mixer name : 'ATI RS690/780 HDMI' Components : 'HDA:1002791a,00791a00,00100000' Controls : 4 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Sun Oct 2 12:46:40 2011 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110929) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI failed Symptom_Card: RS780 Azalia controller - HDA ATI HDMI Symptom_Jack: Digital Out, HDMI Symptom_Type: No sound at all Title: [GT5676, ATI RS690/780 HDMI, Digital Out, HDMI] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/18/2008 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 7B3G1P04 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: Not Available dmi.board.vendor: Gateway dmi.board.version: Not Available dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gateway dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr7B3G1P04:bd02/18/2008:svnGateway:pnGT5676:pvr7B3G1P04:rvnGateway:rnNotAvailable:rvrNotAvailable:cvnGateway:ct3:cvr1.0: dmi.product.name: GT5676 dmi.product.version: 7B3G1P04 dmi.sys.vendor: Gateway To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/864735/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
