[alsa-devel] [PATCH] ALSA: Reduce stall detection timeout in riptide.c

nokos at gmx.net nokos at gmx.net
Wed Dec 3 15:32:15 CET 2008

Reduce the command timeout to 0.5sec. Should be enough to allow a
working command interface but removes a RCU stall and slow resume on
some revisions where the AC97 revision detection stalls in resume. 

Signed-off-by: Peter Gruber <nokos at gmx.net>

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index e9f0706..d0ccfc6 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -172,7 +172,7 @@
 #define MAX_WRITE_RETRY  10    /* cmd interface limits */
 #define MAX_ERROR_COUNT  10
-#define CMDIF_TIMEOUT    500000
+#define CMDIF_TIMEOUT    50000
 #define RESET_TRIES      5
 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))

More information about the Alsa-devel mailing list