[alsa-devel] snd_pcm_hardware structure

Adish Kuvelker adkuvi at gmail.com
Wed Jun 23 22:26:40 CEST 2010


yes...I know that my hardware will generate the interrupt and it will
be at FIFO being half empty.

On Thu, Jun 24, 2010 at 12:17 AM, James Courtier-Dutton
<james.dutton at gmail.com> wrote:
> On 23 June 2010 18:57, Adish Kuvelker <adkuvi at gmail.com> wrote:
>> Hello James,
>> Thanks a lot....Just a typo error for the period_bytes_min and
>> period_bytes_max in my mail.....
>>
>> Now that my FIFO is 64 bytes and if I need an interrupt to the CPU for
>> FIFO being half-empty (i.e 32 bytes = 16 16-bit samples), would it be
>> right to set the periods_min = periods_max = 32?
>>
>
> No. The periods do not create the interrupt.
> Your sound hardware has to do the interrupt.
> When does you hardware do the interrupt?
>


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