At Wed, 4 Jun 2008 14:28:07 +0100,
Mark Brown wrote:
>
> On Wed, Jun 04, 2008 at 02:01:55PM +0200, Takashi Iwai wrote:
> > Geoffrey Wossum wrote:
>
> > > +struct at32_ssc_info {
> > > + char *name;
> > > + struct ssc_device *ssc;
> > > + spinlock_t lock; /* lock for dir_mask */
>
> > Just wondering whether this lock is really needed.
> > Is it really racy?
>
> Bidirectional ports could be in two PCMs and have configuration
> happening simultaneously.
Fair enough.
But, it's no fast code path, and maybe one global mutex would be
enough for such a purpose, though.
Takashi
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
