Hardware works fine under Windows 10. Checked levels in alsa-mixer.
Problem was the same under 14.04 LTS. Problem is the same when booting a 16.04 system from a live disk. -- 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/1615138 Title: [27-p000na, Conexant CX20753/4, Speaker, Internal] No sound at all Status in alsa-driver package in Ubuntu: New Bug description: No sound at all, neither in headphones nor in speakers. Have tried without success: jack-retask latest alsa drivers with DKMS various options set in /etc/modprobe.d/alsa-base.conf Codec seems to be supported: grep "Codec:" /proc/asound/card*/codec* /proc/asound/card0/codec#0:Codec: Conexant CX20753/4 /proc/asound/card0/codec#2:Codec: Intel Skylake HDMI aplay -l **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CX20753/4 Analog [CX20753/4 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2] Subdevices: 1/1 Subdevice #0: subdevice #0 dmesg |grep snd [ 11.064507] snd_hda_intel 0000:00:1f.3: enabling device (0100 -> 0102) [ 11.064628] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915_bpo]) [ 11.407971] snd_hda_codec_conexant hdaudioC0D0: CX20753/4: BIOS auto-probing. [ 11.408833] snd_hda_codec_conexant hdaudioC0D0: autoconfig for CX20753/4: line_outs=1 (0x1d/0x0/0x0/0x0/0x0) type:speaker [ 11.408835] snd_hda_codec_conexant hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 11.408836] snd_hda_codec_conexant hdaudioC0D0: hp_outs=1 (0x16/0x0/0x0/0x0/0x0) [ 11.408837] snd_hda_codec_conexant hdaudioC0D0: mono: mono_out=0x0 [ 11.408838] snd_hda_codec_conexant hdaudioC0D0: inputs: [ 11.408839] snd_hda_codec_conexant hdaudioC0D0: Internal Mic=0x1a [ 11.408840] snd_hda_codec_conexant hdaudioC0D0: Mic=0x19 [ 11.410066] snd_hda_codec_conexant hdaudioC0D0: Enable sync_write for stable communication ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15 Uname: Linux 4.4.0-34-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: claudia 4385 F.... pulseaudio CurrentDesktop: Unity Date: Fri Aug 19 22:42:59 2016 InstallationDate: Installed on 2016-02-18 (183 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: claudia 4385 F.... pulseaudio Symptom_Jack: Speaker, Internal Symptom_Type: No sound at all Title: [27-p000na, Conexant CX20753/4, Speaker, Internal] No sound at all UpgradeStatus: Upgraded to xenial on 2016-07-29 (21 days ago) dmi.bios.date: 09/21/2015 dmi.bios.vendor: AMI dmi.bios.version: A0.06 dmi.board.asset.tag: CZC60573R7 dmi.board.name: 2B3E dmi.board.vendor: HP dmi.board.version: 1.05 dmi.chassis.asset.tag: CZC60573R7 dmi.chassis.type: 13 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnAMI:bvrA0.06:bd09/21/2015:svnHP:pn27-p000na:pvr1.05:rvnHP:rn2B3E:rvr1.05:cvnHP:ct13:cvr: dmi.product.name: 27-p000na dmi.product.version: 1.05 dmi.sys.vendor: HP mtime.conffile..etc.modprobe.d.alsa-base.conf: 2016-08-15T16:23:23.818733 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1615138/+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
