[alsa-devel] humming sound/distorted sound
tiwai at suse.de
Mon Jul 30 22:11:19 CEST 2007
At Mon, 30 Jul 2007 15:48:25 +0530,
Hemanth Kumar wrote:
> Hi All,
> I am new to alsa , I am using the Texas Instrument Davinci
> Board (ARM arch) with linux-2.6.10 with alsa lib 1.0.6,
> ALSA was working fine the sound was good,Then I changed the
> kernel to 2.6.20 with out changeing the alsa lib
> no when play sound I get humming sound/distorted sound I have
> few question,
The ALSA kernel API hasn't been changed much for years. So, I don't
know what kind of regression you have regarding the driver.
Do you keep the same alsa-lib binary but change only the kernel?
> 1 .Does I need to change the alsa lib also
> 2 .Does I need to change/ Select addtional option's in kernel(I have
> copied the linux-2.6.10/.config file to linux-2.6.20)
Yes, likely. 2.6.10 and 2.6.20 are quite different. The ALSA
kconfigs haven't much changed but many other are.
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