[ltp] Fixed! (was Re: My other 600X problem: Sound)

[Manoj Kasichainula]

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On Sat, Jan 29, 2000 at 07:33:16PM -0500, Manoj Kasichainula wrote:
> My last major problem with Linux on this laptop is getting sound
> working. lspci (from pciutils 2.1.4) sees a CS4614/22/24. The
> ALSA driver for this chipset (cs-461x) fails to load,

With a little source code hacking, I got sound working on my 600X,
using ALSA. The problem was simply the driver not waiting long enough
for the chipset to assert that a couple of registers were ready. A
patch is attached against the current alsa-driver CVS extract.

This will go to the ALSA guys RSN.


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--- alsa-driver/lowlevel/pci/cs461x.c.orig	Sun Jan 30 02:49:57 2000
+++ alsa-driver/lowlevel/pci/cs461x.c	Sun Jan 30 02:50:08 2000
@@ -1594,7 +1594,7 @@
 	 *  Wait until we've sampled input slots 3 and 4 as valid, meaning that
 	 *  the codec is pumping ADC data across the AC-link.
 	 */
-	for (idx = 0; idx < 1000; idx++) {
+	for (idx = 0; idx < 2000; idx++) {
 		/*
 		 *  First, lets wait a short while to let things settle out a bit,
 		 *  and to prevent retrying the read too quickly.

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