From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Wed, 21 Dec 2011 22:54:02 +0000 (+1300)
Subject: ALSA: asihpi - fix pcm dma pointer tracking
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=47a74a5d1ed2af23c2dc1ccfdcc0176e40404345;p=deliverable%2Flinux.git

ALSA: asihpi - fix pcm dma pointer tracking

Elapsed counter should only count data committed to snd_pcm_period_elapsed,
rather than all data available

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c
index e9de799abd38..1ba50e369296 100644
--- a/sound/pci/asihpi/asihpi.c
+++ b/sound/pci/asihpi/asihpi.c
@@ -888,8 +888,8 @@ static void snd_card_asihpi_timer_function(unsigned long data)
 							pd, xfer2));
 				}
 			}
-			ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
-			ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs;
+			ds->pcm_buf_host_rw_ofs += xfercount;
+			ds->pcm_buf_elapsed_dma_ofs += xfercount;
 			snd_pcm_period_elapsed(s);
 		}
 	}