diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index d0b8d61d1d22b2..310cd6fb0038ae 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) { diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index aedc3987a4cf21..0f4dd3503a6a9b 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2148,6 +2148,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_GENERIC_IMPLICIT_FB), DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */ QUIRK_FLAG_GENERIC_IMPLICIT_FB), + DEVICE_FLG(0x0525, 0xa4ad, /* Hamedal C20 usb camero */ + QUIRK_FLAG_IFACE_SKIP_CLOSE), /* Vendor matches */ VENDOR_FLG(0x045e, /* MS Lifecam */ diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 2c6575029b1cd7..e97141ef730ad9 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -170,6 +170,8 @@ extern bool snd_usb_skip_validation; * Apply the generic implicit feedback sync mode (same as implicit_fb=1 option) * QUIRK_FLAG_SKIP_IMPLICIT_FB * Don't apply implicit feedback sync mode + * QUIRK_FLAG_IFACE_SKIP_CLOSE + * Don't closed interface during setting sample rate */ #define QUIRK_FLAG_GET_SAMPLE_RATE (1U << 0) @@ -191,5 +193,6 @@ extern bool snd_usb_skip_validation; #define QUIRK_FLAG_SET_IFACE_FIRST (1U << 16) #define QUIRK_FLAG_GENERIC_IMPLICIT_FB (1U << 17) #define QUIRK_FLAG_SKIP_IMPLICIT_FB (1U << 18) +#define QUIRK_FLAG_IFACE_SKIP_CLOSE (1U << 19) #endif /* __USBAUDIO_H */