[ALSA] snd_usb_caiaq: correct input channel order

This patch corrects the input channel order of hardware supported by
snd_usb_caiaq.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c
index 1aa9279..ebf3281 100644
--- a/sound/usb/caiaq/caiaq-audio.c
+++ b/sound/usb/caiaq/caiaq-audio.c
@@ -202,7 +202,7 @@
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1;
 	else
-		dev->audio_in_buf_pos[index] = 0;
+		dev->audio_in_buf_pos[index] = BYTES_PER_SAMPLE;
 	
 	if (dev->streaming)
 		return 0;