linux-kernel - 答复: 答复: [PATCH] ALSA: usb-audio: Add delay quirk for USB Audio Device

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Message-ID:
 <TYUPR06MB621751EBD63ACB0655CA22BED2192@TYUPR06MB6217.apcprd06.prod.outlook.com>
Date: Wed, 15 Jan 2025 08:46:10 +0000
From: 胡连勤 <hulianqin@...o.com>
To: Takashi Iwai <tiwai@...e.de>
CC: "perex@...ex.cz" <perex@...ex.cz>, "tiwai@...e.com" <tiwai@...e.com>,
	"lina@...hilina.net" <lina@...hilina.net>, "mbarriolinares@...il.com"
	<mbarriolinares@...il.com>, "wangdicheng@...inos.cn"
	<wangdicheng@...inos.cn>, "cyan.vtb@...il.com" <cyan.vtb@...il.com>,
	"dan.carpenter@...aro.org" <dan.carpenter@...aro.org>, "bsevens@...gle.com"
	<bsevens@...gle.com>, "linux-sound@...r.kernel.org"
	<linux-sound@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject:
 答复: 答复: [PATCH] ALSA: usb-audio: Add delay quirk for USB Audio Device

Hello linux kernel expert:


> > > >
> > > > From: Lianqin Hu <hulianqin@...o.com>
> > > >
> > > > Audio control requests that sets sampling frequency sometimes fail
> > > > on this card. Adding delay between control messages eliminates that
> problem.
> > > >
> > > > Signed-off-by: Lianqin Hu <hulianqin@...o.com>
> > >
> > > Could you give a bit more specific name / model to both the subject
> > > and the quirk comment?  Then it'd be more helpful for people who
> > > read / check the changes later.
> >
> > We used this sound card to connect to the phone, and only saw the
> following information in the log, without specific sound card model
> information:
> >
> > usb 1-1: New USB device found, idVendor=0d8c, idProduct=0014,
> > bcdDevice= 1.00 usb 1-1: New USB device strings: Mfr=1, Product=2,
> > SerialNumber=0 usb 1-1: Product: USB Audio Device usb 1-1:
> > Manufacturer: C-Media Electronics Inc.
> > usb 1-1: usb_probe_device
> >
> > We currently do not have an effective way to obtain the detailed model of
> this sound card. We are very sorry.
> 
> Well, you can put such info in the patch description.  It's already helpful to
> know whether it's an an unknown / unnamed product.

OK, I will modify it and send a new patch.

Thanks