[alsa-devel] periods_max initialization in snd_usb_hardware
Clemens Ladisch
clemens at ladisch.de
Wed Jun 27 21:29:53 CEST 2012
Amit Nagal wrote:
> snd_usb_hardware is defined in sound/usb/pcm.c as ...
> periods_max is intialized with value = 1024 .
>
> but going by buffer_bytes_max and period_bytes_min value defined above ,
> periods_max = ( buffer_bytes_max / period_bytes_min ) = 16384 .
>
> why this upper cap of 1024 is maintained for periods_max even though from
> calculation it comes as 16384 ?
The buffer is entirely handled by software; these limits are pretty much
arbitrary.
If there is a reason to change these limits, just send a patch. :)
Regards,
Clemens
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