Found one more Logitech device, BCC950 ConferenceCam, which needs the same delay here. This makes 3 out of 3 devices I have tried.

Therefore, add a delay for all Logitech devices as it does not hurt.

Signed-off-by: Joakim Tjernlund joakim.tjernlund@infinera.com CC: stable@vger.kernel.org (4.19, 5.4)

--- sound/usb/quirks.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index c989ad8052ae..c50be2f75f70 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1672,13 +1672,13 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) msleep(20);

- /* Zoom R16/24, Logitech H650e/H570e, Jabra 550a, Kingston HyperX - * needs a tiny delay here, otherwise requests like get/set - * frequency return as failed despite actually succeeding. + /* Zoom R16/24, many Logitech(at least H650e/H570e/BCC950), + * Jabra 550a, Kingston HyperX needs a tiny delay here, + * otherwise requests like get/set frequency return + * as failed despite actually succeeding. */ if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || - chip->usb_id == USB_ID(0x046d, 0x0a46) || - chip->usb_id == USB_ID(0x046d, 0x0a56) || + USB_ID_VENDOR(chip->usb_id) == 0x046d || /* Logitech */ chip->usb_id == USB_ID(0x0b0e, 0x0349) || chip->usb_id == USB_ID(0x0951, 0x16ad)) && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)