On Tue, 10 Nov 2020 09:04:03 +0100, 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> > --- > sound/usb/format.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/sound/usb/format.c b/sound/usb/format.c > index 1b28d01..6f6e79b 100644 > --- a/sound/usb/format.c > +++ b/sound/usb/format.c > @@ -217,6 +217,11 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof > (chip->usb_id == USB_ID(0x041e, 0x4064) || > chip->usb_id == USB_ID(0x041e, 0x4068))) > rate = 8000; > + /* Huawei headset can't support 96kHz fully */ > + if (rate == 96000 && > + chip->usb_id == USB_ID(0x12d1, 0x3a07) && > + le16_to_cpu(udev->descriptor.bcdDevice) == 0x49) This causes the compile error due to the unknown udev. Is this bcdDevice check mandatory? thanks, Takashi
