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Commit 05773792 authored by Takashi Sakamoto's avatar Takashi Sakamoto Committed by Takashi Iwai
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ALSA: bebob: add SYT-Match support 



In previous commits, this driver can detect the source of clock as mush
as possible. SYT-Match mode is also available.

This commit purge the restriction.

Signed-off-by: default avatarTakashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 554d8983

sound/firewire/bebob/bebob_pcm.c

+0 −5
Original line number Diff line number Diff line
@@ -171,11 +171,6 @@ pcm_open(struct snd_pcm_substream *substream) 
	err = snd_bebob_stream_get_clock_src(bebob, &src);

	if (err < 0)

		goto err_locked;

	/* SYT-Match is not supported. */

	if (src == SND_BEBOB_CLOCK_TYPE_SYT) {

		err = -EBUSY;

		goto err_locked;

	}



	/*

	 * When source of clock is internal or any PCM stream are running,

sound/firewire/bebob/bebob_stream.c

+18 −2
Original line number Diff line number Diff line
@@ -474,8 +474,24 @@ destroy_both_connections(struct snd_bebob *bebob) 
static int

get_sync_mode(struct snd_bebob *bebob, enum cip_flags *sync_mode)

{

	/* currently this module doesn't support SYT-Match mode */

	enum snd_bebob_clock_type src;

	int err;



	err = snd_bebob_stream_get_clock_src(bebob, &src);

	if (err < 0)

		return err;



	switch (src) {

	case SND_BEBOB_CLOCK_TYPE_INTERNAL:

	case SND_BEBOB_CLOCK_TYPE_EXTERNAL:

		*sync_mode = CIP_SYNC_TO_DEVICE;

		break;

	default:

	case SND_BEBOB_CLOCK_TYPE_SYT:

		*sync_mode = 0;

		break;

	}



	return 0;

}