Messages in this thread Patch in this message | | | Subject | [PATCH] update for ALi5455 Audio Driver for 2.4.22 | From | wei_ni@ali ... | Date | Wed, 12 Nov 2003 14:25:38 +0800 |
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Dear all,
We resolve the bugs in ALi5455 audio driver.
Best regards,
Ni wei http://www.ali.com.tw
Information about update: Updated files: ali5455.c Location: drivers/sound Driver Version: 0.02ac Kernel Version: 2.4.22
patchfile for ali5455.c: --------------------------------------------------------------------------------- --- ali5455.c.orig 2003-11-11 19:15:13.000000000 +0800 +++ ali5455.c 2003-11-12 09:52:34.000000000 +0800 @@ -1254,17 +1254,16 @@ { struct dmabuf *dmabuf = &state->dmabuf; int free; - ali_update_ptr(state); - // catch underruns during playback + if (dmabuf->count < 0) { dmabuf->count = 0; dmabuf->swptr = dmabuf->hwptr; } - free = dmabuf->dmasize - dmabuf->count; - free -= (dmabuf->hwptr % dmabuf->fragsize); - if (free < 0) - return (0); - return (free); + free = dmabuf->dmasize - dmabuf->swptr; + if ((dmabuf->count + free) > dmabuf->dmasize){ + free = dmabuf->dmasize - dmabuf->count; + } + return free; }
static inline int ali_get_available_read_data(struct @@ -1860,6 +1859,7 @@ NOTHING we can do to prevent it. */
/* FIXME - do timeout handling here !! */ + schedule_timeout(tmo >= 2 ? tmo : 2);
if (signal_pending(current)) { if (!ret) --------------------------------------------------------------------------------- Ni Wei 2003-11-12
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