Re: [PATCH v2] ALSA: usb-audio: disable 96khz support for HUAWEI USB-C HEADSET

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On Tue, 2020-11-10 at 09:50 +0100, Greg KH wrote:
> On Tue, Nov 10, 2020 at 04:42:54PM +0800, Macpaul Lin wrote:
> > The HUAWEI USB-C headset (VID:0x12d1, PID:0x3a07) reported it supports
> > 96khz. However there will be some random issue under 96khz.
> > Not sure if there is any alternate setting could be applied.
> > Hence 48khz is suggested to be applied at this moment.
> > 
> > Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
> > Signed-off-by: Eddie Hung <eddie.hung@xxxxxxxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
> > ---
> > Changes for v2:
> >   - Fix build error.
> >   - Add Cc: stable@xxxxxxxxxxxxxxx
> > 
> >  sound/usb/format.c |    6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/sound/usb/format.c b/sound/usb/format.c
> > index 1b28d01..7a4837b 100644
> > --- a/sound/usb/format.c
> > +++ b/sound/usb/format.c
> > @@ -202,6 +202,7 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
> >  		fp->rate_min = fp->rate_max = 0;
> >  		for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
> >  			unsigned int rate = combine_triple(&fmt[idx]);
> > +			struct usb_device *udev = chip->dev;
> >  			if (!rate)
> >  				continue;
> >  			/* C-Media CM6501 mislabels its 96 kHz altsetting */
> 
> Did you run this patch through checkpatch.pl?
> 

I've ran checkpatch for this patch v2, and it shown
"total: 0 errors, 0 warnings". We're using 5.9-rc1 internal.

However, I'll send patch v3 according to Takashi's suggestion.

Thanks
Macpaul Lin




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