Please also do it on older kernel. > -----Original Message----- > From: Evgeny Kapun <abacabadabacaba@xxxxxxxxx> > Sent: Sunday, December 15, 2024 9:07 PM > To: Linux Sound Mailing List <linux-sound@xxxxxxxxxxxxxxx> > Cc: Kailang <kailang@xxxxxxxxxxx>; Takashi Iwai <tiwai@xxxxxxx>; Linux > Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>; Linux Regressions Mailing > List <regressions@xxxxxxxxxxxxxxx>; Linux Stable Mailing List > <stable@xxxxxxxxxxxxxxx> > Subject: [REGRESSION] Distorted sound on Acer Aspire A115-31 laptop > > > External mail. > > > > I am using an Acer Aspire A115-31 laptop. When running newer kernel > versions, sound played through headphones is distorted, but when running > older versions, it is not. > > Kernel version: Linux version 6.12.5 (user@hostname) (gcc (Debian > 14.2.0-8) 14.2.0, GNU ld (GNU Binutils for Debian) 2.43.50.20241210) #1 SMP > PREEMPT_DYNAMIC Sun Dec 15 05:09:16 IST 2024 Operating System: Debian > GNU/Linux trixie/sid > > No special actions are needed to reproduce the issue. The sound is distorted all > the time, and it doesn't depend on anything besides using an affected kernel > version. > > It seems to be caused by commit > 34ab5bbc6e82214d7f7393eba26d164b303ebb4e > (ALSA: hda/realtek - Add Headset Mic supported Acer NB platform). > Indeed, if I remove the entry that this commit adds, the issue disappears. > > lspci output for the device in question: > > 00:0e.0 Multimedia audio controller [0401]: Intel Corporation Celeron/Pentium > Silver Processor High Definition Audio [8086:3198] (rev 06) > Subsystem: Acer Incorporated [ALI] Device [1025:1360] > Flags: bus master, fast devsel, latency 0, IRQ 130 > Memory at a1214000 (64-bit, non-prefetchable) [size=16K] > Memory at a1000000 (64-bit, non-prefetchable) [size=1M] > Capabilities: [50] Power Management version 3 > Capabilities: [80] Vendor Specific Information: Len=14 <?> > Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Capabilities: [70] Express Root Complex Integrated Endpoint, IntMsgNum > 0 > Kernel driver in use: snd_hda_intel > Kernel modules: snd_hda_intel, snd_soc_avs, snd_sof_pci_intel_apl
