RE: [alsa-devel] No sound with Realtek ALC298 on a Samsung Galaxy book

[Kailang <kailang@realtek.com>]

> -----Original Message-----
> From: Takashi Iwai <tiwai@suse.de>
> Sent: Tuesday, February 18, 2020 6:05 AM
> To: Aurélien Croc <aurelien@ap2c.com>
> Cc: alsa-devel@alsa-project.org; Kailang <kailang@realtek.com>
> Subject: Re: [alsa-devel] No sound with Realtek ALC298 on a Samsung Galaxy
> book
> 
> On Mon, 17 Feb 2020 20:01:05 +0100,
> Aurélien Croc wrote:
> >
> > > Sometimes you have some data in *.INF file or such.  At least, if
> > > the standard Windows driver (not the h/w vendor's one) works, the
> > > extra configuration is usually put there.
> >
> > The Windows driver is the one provided by Realtek. The manufacturer ID
> > is "INTELAUDIO\FUNC_01&VEN_10EC&DEV_0298&SUBSYS_144DC14F".
> > I looked into the INF file which corresponds to this driver but I'm
> > not sure to understand it. There is a specific section attached to
> > this device which looks like:
> > [CusEffectSettingsMaxim.AddReg]
> >
> HKR,SSTPPCfg\{C75061F3-F2B2-4DCC-8F9F-82ABB4131E66}\SPK\EFX,16777217
> ,
> > 1,
> > 1,0,0,1,1,0,0,0
> >
> HKR,SSTPPCfg\{C75061F3-F2B2-4DCC-8F9F-82ABB4131E66}\SPK\EFX,16777218
> ,
> > 1,
> > 2,0,0,1,0,0,80,2
> > ....
> >
> > I don't know if the solution is in these lines or not..
> >
> >
> > > Also, when you test the sound, don't use PulseAudio but test
> > > directly with ALSA native apps (e.g. aplay with -Dhw:0 or -Dplughw:0, etc).
> > > You can use speaker-test program, too.
> >
> > I tried again all the channels with headphone only by using only ALSA
> > and not pulseaudio. There is no sound at all.
> > Note that the internal microphone and the microphone of my headphone
> > when it's plugged in works very well..
> 
> Aha, so the input works but only the output doesn't?
> Then it's not about the basic stuff like pin configuration but rather the missing
> COEF setup or such that is specific to Realtek codec (and/or the Samsung
> platform).
> 
> Kailang, do you have any clue?

Sorry.
Samsung didn't request this platform need to support Linux.

> 
> 
> thanks,
> 
> Takashi
> 
> 
> >
> > > And always try a headphone output at first.  The headset mic might
> > > not work, but the headphone output is usually the easiest one to get
> > > working.
> >
> >
> > Thank you for your help. I hope we'll find the problem..
> >
> >
> >
> 
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