For Hamedal C20, the current rate is different from the runtime rate, snd_usb_endpoint stop and close endpoint to resetting rate. if snd_usb_endpoint close the endpoint, sometimes usb will disconnect the device.
Signed-off-by: aichao aichao@kylinos.cn --- sound/usb/endpoint.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 533919a28856..c19e420b1780 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -825,7 +825,9 @@ void snd_usb_endpoint_close(struct snd_usb_audio *chip, usb_audio_dbg(chip, "Closing EP 0x%x (count %d)\n", ep->ep_num, ep->opened);
- if (!--ep->iface_ref->opened) + if (!--ep->iface_ref->opened + && (le16_to_cpu(chip->dev->descriptor.idVendor) != 0x0525) + && (le16_to_cpu(chip->dev->descriptor.idProduct) != 0xa4ad)) endpoint_set_interface(chip, ep, false);
if (!--ep->opened) {