[alsa-devel] [PATCH 1/2] ca0106 playback 44100Hz support to SPDIF and playback format & rate constraints
rivanvx at gmail.com
Thu Sep 4 09:16:46 CEST 2008
Is it maybe that CA0106, as 10k1 and 10k2 can't work at 44100?
2008/9/4 Takashi Iwai <tiwai at suse.de>:
> At Wed, 03 Sep 2008 19:36:51 +0100,
> James Courtier-Dutton wrote:
>> Trent Piepho wrote:
>> > On Tue, 2 Sep 2008, James Courtier-Dutton wrote:
>> >> Ben Stanley wrote:
>> >>> + /* We only support 44100 to spdif, not to DAC.
>> >>> + (FIXME WHY?)*/
>> >> WHY? Because the DAC cannot be clocked at 44100, only 48000 and 96000
>> >> from the CA0106 chip.
>> >> The SPDIF can be clocked at 44100.
>> >> It is a hardware limitation.
>> > The DAC supports 44100. Is the problem that the ca0106 can't provide a
>> > 44100 clock to the DAC?
>> It does not really matter why, it does not work at 44100 and that is fact.
> It does matter. At least, the situation should be commented
> correctly. Otherwise you'll have the same question and give the same
> answer again and again.
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