Looks good. Using the .info field is probably better than adding a new
one as I did. One correction though:
> + runtime->no_period_irq =
> + !!(params->flags & SNDRV_PCM_HW_PARAMS_NO_PERIOD_IRQ);
An additional test is needed here so that the capabilities of the
hardware are double-checked
if (params->info & SNDRV_PCM_INFO_NO_PERIOD_IRQ)
runtime->no_period_irq = !!(params->flags &
SNDRV_PCM_HW_PARAMS_NO_PERIOD_IRQ);
else
runtime->no_period_irq = 0;
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