ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion

[pandora-kernel.git] / sound / usb / endpoint.c

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 9ab2b3e..5ebe8c4 100644 (file)
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -458,7 +458,7 @@ static int retire_capture_urb(struct snd_usb_substream *subs,
        stride = runtime->frame_bits >> 3;
 
        for (i = 0; i < urb->number_of_packets; i++) {
-               cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+               cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset + subs->pkt_offset_adj;
                if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
                        snd_printdd("frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
                        // continue;
@@ -898,6 +898,7 @@ void snd_usb_init_substream(struct snd_usb_stream *as,
        subs->speed = snd_usb_get_speed(subs->dev);
        if (subs->speed >= USB_SPEED_HIGH)
                subs->ops.prepare_sync = prepare_capture_sync_urb_hs;
+       subs->pkt_offset_adj = 0;
 
        snd_usb_set_pcm_ops(as->pcm, stream);