On Tue, 2005-03-29 at 21:31 +0200, Takashi Iwai wrote: > Well I don't remember the discussion thread on alsa-devel about this, > but it's a good idea that alsa-lib checks the capability of hw-mixing > and apples dmix only if necessary. (In the case of softvol, it can > check the existence of hw control by itself, though.) > > Currently, dmix is enabled per driver-type base. That is, dmix is set > to default in each driver's configuration which is known to have no hw > mixing functionality.
It was not discussed at length. Anyway, I think you can detect hardware mixing support comparing the number of substreams to the numebr of streams for a device. If the ratio is greater than 1, hardware mixing is supported. Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
