X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=sound%2Fhda%2Fhdac_stream.c;h=a314b03b4a4cb1696d87ee57d5f5ed8d21eecb26;hb=7557c1b3f715624f3bd4c809f03771ce9384eb7b;hp=d01e691391648c43703eef7c818669fa8db098b1;hpb=18ea671ba40bcbb15c47118e20010240186da33b;p=linux.git

diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index d01e69139164..a314b03b4a4c 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -631,20 +631,27 @@ void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start,
 		nwait = 0;
 		i = 0;
 		list_for_each_entry(s, &bus->stream_list, list) {
-			if (streams & (1 << i)) {
-				if (start) {
-					/* check FIFO gets ready */
-					if (!(snd_hdac_stream_readb(s, SD_STS) &
-					      SD_STS_FIFO_READY))
-						nwait++;
-				} else {
-					/* check RUN bit is cleared */
-					if (snd_hdac_stream_readb(s, SD_CTL) &
-					    SD_CTL_DMA_START)
-						nwait++;
+			if (!(streams & (1 << i++)))
+				continue;
+
+			if (start) {
+				/* check FIFO gets ready */
+				if (!(snd_hdac_stream_readb(s, SD_STS) &
+				      SD_STS_FIFO_READY))
+					nwait++;
+			} else {
+				/* check RUN bit is cleared */
+				if (snd_hdac_stream_readb(s, SD_CTL) &
+				    SD_CTL_DMA_START) {
+					nwait++;
+					/*
+					 * Perform stream reset if DMA RUN
+					 * bit not cleared within given timeout
+					 */
+					if (timeout == 1)
+						snd_hdac_stream_reset(s);
 				}
 			}
-			i++;
 		}
 		if (!nwait)
 			break;