From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Steigerwald Subject: [REGRESSION] 4.1-rc4: Sound muted after boot Date: Wed, 20 May 2015 16:31:55 +0200 Message-ID: <1902192.Ae1uPbIBnJ@merkaba> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, Takashi Iwai , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hello! On ThinkPad T520 (Intel Sandybridge) with 4.14-rc4 + two BTRFS patches = and=20 one Intel P-State debug patch I have no sound output on internal Intel = HD=20 audio codec. According to ThinkPad T520 LED with striked-through speaker the loud sp= eaker=20 is in disabled state. Also KDE=B4s Phonon says a soundcard is missing. = In=20 alsa-mixer I see nothing as MM for muted. If I press the key next to th= e LED=20 I get a notification on the desktop that loud speaker has been enabled = /=20 disabled, but the LED still is on for it being disabled. I do not hear anything in Amarok or with aplay. alsa-mixer sound volume= s are=20 100 for master and PCM. I also tried with disabling "Auto-Mute Mod", bu= t=20 still no sound. =20 When I reboot and in BIOS or GRUB press the key then the LED toggles st= ate. When I reboot into Linux 4.0.1 sound is working fine and loud speaker=20 disabled LED is toggled off, so I bet this is a regression 4.1-rc4 comp= ared=20 to 4.0.1. The following is from non-working 4.1-rc4 kernel: merkaba:~> lspci -s 00:1b.0 -nnv 00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chi= pset=20 =46amily High Definition Audio Controller [8086:1c20] (rev 04) Subsystem: Lenovo Device [17aa:21cf] Flags: bus master, fast devsel, latency 0, IRQ 29 Memory at f2520000 (64-bit, non-prefetchable) [size=3D16K] Capabilities: [50] Power Management version 2 Capabilities: [60] MSI: Enable+ Count=3D1/1 Maskable- 64bit+ Capabilities: [70] Express Root Complex Integrated Endpoint, MS= I 00 Capabilities: [100] Virtual Channel Capabilities: [130] Root Complex Link Kernel driver in use: snd_hda_intel merkaba:~> cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xf2520000 irq 29 merkaba:~> cat /proc/asound/version=20 Advanced Linux Sound Architecture Driver Version k4.1.0-rc4-tp520-btrfs= trim- pstatetrace+. merkaba:~> cat /proc/asound/devices=20 2: [ 0] : control 3: [ 0- 0]: digital audio playback 4: [ 0- 0]: digital audio capture 5: [ 0- 3]: digital audio playback 6: [ 0- 7]: digital audio playback 7: [ 0- 8]: digital audio playback 8: [ 0- 0]: hardware dependent 9: [ 0- 1]: hardware dependent 10: [ 0- 3]: hardware dependent 33: : timer merkaba:~>=20 merkaba:~> aplay -L=20 null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server phonon HDA Intel PCH mit Mixer default:CARD=3DPCH HDA Intel PCH, CX20590 Analog Default Audio Device sysdefault:CARD=3DPCH HDA Intel PCH, CX20590 Analog Default Audio Device front:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog Front speakers surround21:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog 2.1 Surround output to Front and Subwoofer speakers surround40:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speaker= s hdmi:CARD=3DPCH,DEV=3D0 HDA Intel PCH, HDMI 0 HDMI Audio Output hdmi:CARD=3DPCH,DEV=3D1 HDA Intel PCH, HDMI 1 HDMI Audio Output hdmi:CARD=3DPCH,DEV=3D2 HDA Intel PCH, HDMI 2 HDMI Audio Output dmix:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog Direct sample mixing device dmix:CARD=3DPCH,DEV=3D3 HDA Intel PCH, HDMI 0 Direct sample mixing device dmix:CARD=3DPCH,DEV=3D7 HDA Intel PCH, HDMI 1 Direct sample mixing device dmix:CARD=3DPCH,DEV=3D8 HDA Intel PCH, HDMI 2 Direct sample mixing device dsnoop:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog Direct sample snooping device dsnoop:CARD=3DPCH,DEV=3D3 HDA Intel PCH, HDMI 0 Direct sample snooping device dsnoop:CARD=3DPCH,DEV=3D7 HDA Intel PCH, HDMI 1 Direct sample snooping device dsnoop:CARD=3DPCH,DEV=3D8 HDA Intel PCH, HDMI 2 Direct sample snooping device hw:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog Direct hardware device without any conversions hw:CARD=3DPCH,DEV=3D3 HDA Intel PCH, HDMI 0 Direct hardware device without any conversions hw:CARD=3DPCH,DEV=3D7 HDA Intel PCH, HDMI 1 Direct hardware device without any conversions hw:CARD=3DPCH,DEV=3D8 HDA Intel PCH, HDMI 2 Direct hardware device without any conversions plughw:CARD=3DPCH,DEV=3D0 HDA Intel PCH, CX20590 Analog Hardware device with all software conversions plughw:CARD=3DPCH,DEV=3D3 HDA Intel PCH, HDMI 0 Hardware device with all software conversions plughw:CARD=3DPCH,DEV=3D7 HDA Intel PCH, HDMI 1 Hardware device with all software conversions plughw:CARD=3DPCH,DEV=3D8 HDA Intel PCH, HDMI 2 Hardware device with all software conversions Ciao, --=20 Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7