patch for dmasound bug

Ryan Nielsen ran at krazynet.com
Thu Jun 3 06:05:09 EST 1999


This restores the rate/byteswap to normal after playing a beep
if you for example stop timidity, make a beep, resume, the sound
will be slower than normal (without this patch).

--- linux/drivers/sound/dmasound.c	1999/02/05 05:45:42	1.41
+++ linux/drivers/sound/dmasound.c	1999/06/02 19:42:08
@@ -3255,6 +3255,11 @@
 	save_flags(flags); cli();
 	if (beep_playing) {
 		st_le16(&beep_dbdma_cmd->command, DBDMA_STOP);
+		out_le32(&awacs_txdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16);
+		out_le32(&awacs->control,
+			 (in_le32(&awacs->control) & ~0x1f00)
+			 | (awacs_rate_index << 8));
+		out_le32(&awacs->byteswap, sound.hard.format != AFMT_S16_BE);
 		beep_playing = 0;
 	}
 	restore_flags(flags);

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