From bf990c10231937c0f51e5da5558e08cf5adc6a78 Mon Sep 17 00:00:00 2001 From: Ai Chao Date: Thu, 10 Nov 2022 14:34:52 +0800 Subject: ALSA: usb-audio: add quirk to fix Hamedal C20 disconnect issue 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: Ai Chao Link: https://lore.kernel.org/r/20221110063452.295110-1-aichao@kylinos.cn Signed-off-by: Takashi Iwai --- sound/usb/endpoint.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'sound/usb/endpoint.c') diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index d0b8d61d1d22..310cd6fb0038 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -931,7 +931,8 @@ 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 && + !(chip->quirk_flags & QUIRK_FLAG_IFACE_SKIP_CLOSE)) endpoint_set_interface(chip, ep, false); if (!--ep->opened) { -- cgit v1.2.3