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carlosjm76
Fanfold Paper
Posts: 4
Registered: ‎06-09-2019
Location: ES
Views: 555
Message 1 of 2

Low sound and no mic in Lenovo Yoga / Ideapad S940 (Realtek ALC298)

I have tested 3 differents linux distros (manjaro, ubuntu, popos) with the same results:

  • Low sound volume / ouput
  • No mic (seems detected but doesn't work)

This problem looks similar to C930. I have tried all the solutions (pin remapping, changing model...)  without success.

https://github.com/droserasprout/lenovo-yoga-c930-linux#speaker

 

Alsa-info.sh log:

http://alsa-project.org/db/?f=701015751be757989bb93d70a9a06f7e89d64e24

 

Linux lnx 4.19.66-1-MANJARO #1 SMP PREEMPT Fri Aug 9 18:01:53 UTC 2019 x86_64 GNU/Lin

 

More logs:

00:1f.3 Multimedia audio controller [0401]: Intel Corporation Cannon Point-LP High Definition Audio Controller [8086:9dc8] (rev 30)
card 0: PCH [HDA Intel PCH], device 0: ALC298 Analog [ALC298 Analog]

 

	snd_hda_codec_hdmi     69632  1
	snd_sof_intel_hda_common    73728  1 sof_pci_dev
	snd_sof_intel_hda      20480  1 snd_sof_intel_hda_common
	snd_sof               118784  4 snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc,sof_pci_dev
	snd_hda_codec_realtek   126976  1
	snd_hda_codec_generic    94208  1 snd_hda_codec_realtek
	snd_soc_hdac_hda       24576  2 snd_sof_intel_hda_common,snd_soc_skl
	ledtrig_audio          16384  2 snd_hda_codec_generic,snd_hda_codec_realtek
	snd_hda_ext_core       36864  4 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
	snd_soc_acpi_intel_match    28672  3 snd_sof_intel_hda_common,sof_pci_dev,snd_soc_skl
	snd_soc_core          290816  4 snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl
	snd_hda_intel          49152  8
	snd_hda_codec         159744  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda
	snd_hda_core          102400  10 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
	snd_hwdep              20480  1 snd_hda_codec
	snd_pcm               139264  11 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_sof,snd_sof_intel_hda_common,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
	snd                   110592  25 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm

 

 

Any ideas to solve this problem? Regards

briggs1978
Punch Card
Posts: 25
Registered: ‎04-09-2010
Location: Pittsburgh, PA
Views: 172
Message 2 of 2

Re: Low sound and no mic in Lenovo Yoga / Ideapad S940 (Realtek ALC298)

Did you ever find a resolution to this? The whole linux world seems to be flummoxed by ALC298...

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