Re: Realtek ALC294 Intel Sunrise Point-LP HD Audio driver - sound does not work

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On Sat, 10 Nov 2018 14:42:01 +0100,
Tomasz PrzybyX2 wrote:
> 
> Hello Devs
> 
> Lots of users with Intel Sunrise Point-LP HD Audio driver (ALC294)
> (snd_hda_intel) have major issue. Not sound at all. Only crackling
> from external speakers OR silence from internal notebook speakers.
> Tried fix with extra boot flags does not work at all.

Does the headphone work?  If yes, it's possibly either a wrong pin
config or some extra stuff needed to drive the speaker amp.
In the latter case, only vendors know the details.


Takashi

> 
> Also affected Asus VivoBook R542UF
> 
> ```
> Machine:
>   Type: Laptop System: ASUSTeK product: VivoBook 15_ASUS Laptop X542UF
>   v: 1.0 serial: <filter>
>   Mobo: ASUSTeK model: X542UF v: 1.0 serial: <filter>
>   UEFI: American Megatrends v: X542UF.303 date: 03/15/2018
> Audio:
>   Device-1: Intel Sunrise Point-LP HD Audio driver: snd_hda_intel
>   v: kernel bus ID: 00:1f.3
>   Sound Server: ALSA Kernel: 4.19
> ```
> ```
> aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: PCH [HDA Intel PCH], device 0: ALC294 Analog [ALC294 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
> card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> ```
> Dmesg parts
> ```
> [ 12.342528] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC294:
> line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
> [ 12.342531] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0
> (0x0/0x0/0x0/0x0/0x0)
> [ 12.342533] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1
> (0x21/0x0/0x0/0x0/0x0)
> [ 12.342535] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
> [ 12.342536] snd_hda_codec_realtek hdaudioC0D0: inputs:
> [ 12.342538] snd_hda_codec_realtek hdaudioC0D0: Mic=0x1b
> ```
> ```
> [ 12.634171] input: HDA Intel PCH Headphone as
> /devices/pci0000:00/0000:00:1f.3/sound/card0/input18
> [ 12.634389] input: HDA Intel PCH HDMI/DP,pcm=3 as
> /devices/pci0000:00/0000:00:1f.3/sound/card0/input19
> [ 12.634563] input: HDA Intel PCH HDMI/DP,pcm=7 as
> /devices/pci0000:00/0000:00:1f.3/sound/card0/input20
> [ 12.634737] input: HDA Intel PCH HDMI/DP,pcm=8 as
> /devices/pci0000:00/0000:00:1f.3/sound/card0/input21
> [ 12.634905] input: HDA Intel PCH HDMI/DP,pcm=9 as
> /devices/pci0000:00/0000:00:1f.3/sound/card0/input22
> [ 12.635045] input: HDA Intel PCH HDMI/DP,pcm=10 as
> /devices/pci0000:00/0000:00:1f.3/sound/card0/input23
> ```
> 
> Regards
> 
> Tomasz
> 
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