From: wei_ni@ali.com.tw
To: alan@lxorguk.ukuu.org.uk
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] update for ALi5455 Audio Driver for 2.4.20
Date: Wed, 12 Nov 2003 14:19:43 +0800 [thread overview]
Message-ID: <OF347800BA.593B8268-ON48256DDC.0021B651@LocalDomain> (raw)
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: 2.4.20
patchfile for ali5455.c:
---------------------------------------------------------------------------------
--- ali5455.c.orig 2003-11-12 10:14:05.000000000 +0800
+++ ali5455.c 2003-11-12 10:48:26.000000000 +0800
@@ -1253,17 +1253,15 @@
{
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
@@ -1859,6 +1857,7 @@
NOTHING we can do to prevent it. */
/* FIXME - do timeout handling here !! */
+ schedule_timeout(tmo >= 2 ? tmo : 2);
if (signal_pending(current)) {
if (!ret)
@@ -1959,7 +1958,7 @@
if (size > (PAGE_SIZE << dmabuf->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma->vm_start, virt_to_phys(dmabuf->rawbuf),
size, vma->vm_page_prot))
+ if (remap_page_range(vma,vma->vm_start, virt_to_phys(dmabuf->rawbuf),
size, vma->vm_page_prot))
goto out;
dmabuf->mapped = 1;
dmabuf->trigger = 0;
Ni Wei
2003-11-12
reply other threads:[~2003-11-12 6:16 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=OF347800BA.593B8268-ON48256DDC.0021B651@LocalDomain \
--to=wei_ni@ali.com.tw \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).