On Fri, 09 Dec 2016 05:15:57 +0100,
Con Kolivas wrote:
>
> The Logitech QuickCam Communicate Deluxe/S7500 microphone fails with the
> following warning.
>
> [ 6.778995] usb 2-1.2.2.2: Warning! Unlikely big volume range (=3072),
> cval->res is probably wrong.
> [ 6.778996] usb 2-1.2.2.2: [5] FU [Mic Capture Volume] ch = 1, val =
> 4608/7680/1
>
> Adding it to the list of devices in volume_control_quirks makes it work
> properly, fixing related typo.
>
> Signed-off-by: Con Kolivas <kernel@xxxxxxxxxxx>
Applied (with Cc to stable), thanks.
Takashi
>
> ---
> sound/usb/mixer.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
> index 2f8c388..4703cae 100644
> --- a/sound/usb/mixer.c
> +++ b/sound/usb/mixer.c
> @@ -932,9 +932,10 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
> case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
> case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
> case USB_ID(0x046d, 0x0991):
> + case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
> /* Most audio usb devices lie about volume resolution.
> * Most Logitech webcams have res = 384.
> - * Proboly there is some logitech magic behind this number --fishor
> + * Probably there is some logitech magic behind this number --fishor
> */
> if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
> usb_audio_info(chip,
> --
> 2.7.4
>
>
>
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