On Mon, 10 May 2004 17:08:49 +0200
Takashi Iwai <[EMAIL PROTECTED]> wrote:

> prepare and trigger callbacks are already in irq-disabled.
> i.e. you need only spin_lock() in them.

Does it mean that ALSA acquires the lock only when it calls PCM callbacks,
that is trigger(), etc., are atomic only wrt other PCM functions ?


hdsp.c and rme9652.x use spin_*lock_irq() inside prepare().


--
Giuliano.



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