[alsa-devel] [PATCH] cs4231: remove two auto-calibrations during chip initialization
rene.herman at gmail.com
Tue Sep 18 13:26:49 CEST 2007
On 09/18/2007 01:08 PM, Jaroslav Kysela wrote:
> On Tue, 18 Sep 2007, Rene Herman wrote:
>> On 09/18/2007 12:17 PM, Krzysztof Helt wrote:
>>> From: Krzysztof Helt <krzysztof.h1 at wp.pl>
>>> The initialization function did auto-calibration after each
>>> register setting. This patch merges more register changes
>>> before auto-calibration is done.
>> Seems to make sense but am a little uneasy about these -- someone very much
>> did it this way on purpose originally it seems. Jaroslav, that someone was you
>> I believe? Do you remember anything about this?
> If I remember correctly, it was workaround for some CS4231 chips to fix
> the noise audio issue (the chip was not initialized correctly in some
> cases). I would make a whitelist for "non-buggy" tested chips to skip
> double calibration.
Okay thanks. For reference, I have:
(Won't be testing right now, but will be generally available).
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