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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-10-07 20:05:24 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-10-17 12:02:43 +0200 |
| commit | 9d9ff58c2f45f2bf926f7ee7c70bcc01bad4c0e8 (patch) | |
| tree | 9f2204d46698c66739600fdfe31acf2d66a2129e /sound/firewire/fireface/ff-stream.c | |
| parent | 0d39cd0e449925a6221da48835ef962cd72f330f (diff) | |
| download | linux-9d9ff58c2f45f2bf926f7ee7c70bcc01bad4c0e8.tar.bz2 | |
ALSA: fireface: register the size of PCM period to AMDTP domain
This commit is a preparation to share the size of PCM period between
PCM substreams on AMDTP streams in the same domain. At this time,
the size of PCM period in PCM substream which starts AMDTP streams in the
same domain is recorded.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20191007110532.30270-10-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/fireface/ff-stream.c')
| -rw-r--r-- | sound/firewire/fireface/ff-stream.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/firewire/fireface/ff-stream.c b/sound/firewire/fireface/ff-stream.c index e8e6f9fd6433..d05e7d3055e1 100644 --- a/sound/firewire/fireface/ff-stream.c +++ b/sound/firewire/fireface/ff-stream.c @@ -106,7 +106,8 @@ void snd_ff_stream_destroy_duplex(struct snd_ff *ff) destroy_stream(ff, &ff->tx_stream); } -int snd_ff_stream_reserve_duplex(struct snd_ff *ff, unsigned int rate) +int snd_ff_stream_reserve_duplex(struct snd_ff *ff, unsigned int rate, + unsigned int frames_per_period) { unsigned int curr_rate; enum snd_ff_clock_src src; @@ -150,6 +151,14 @@ int snd_ff_stream_reserve_duplex(struct snd_ff *ff, unsigned int rate) err = ff->spec->protocol->allocate_resources(ff, rate); if (err < 0) return err; + + err = amdtp_domain_set_events_per_period(&ff->domain, + frames_per_period); + if (err < 0) { + fw_iso_resources_free(&ff->tx_resources); + fw_iso_resources_free(&ff->rx_resources); + return err; + } } return 0; |