diff mbox series

ALSA: usb-audio: fix Hamedal C20 usb camero disconnect issue

Message ID 20221104073518.120807-1-aichao@kylinos.cn (mailing list archive)
State New, archived
Headers show
Series ALSA: usb-audio: fix Hamedal C20 usb camero disconnect issue | expand

Commit Message

Ai Chao Nov. 4, 2022, 7:35 a.m. UTC
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 mbox series

Patch

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) {