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| author |   Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-08-04 15:21:38 +0900 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2019-08-05 19:57:29 +0200 |
| commit | 74f94e41825549638a5b24410c1f62d5ea57134e (patch) | |
| tree | e6bde19be67ee43683531b9c8e4714b2c4647426 /sound/firewire | |
| parent | ALSA: fireface: support AMDTP domain (diff) | |
| download | linux-dev-74f94e41825549638a5b24410c1f62d5ea57134e.tar.xz linux-dev-74f94e41825549638a5b24410c1f62d5ea57134e.zip | |
ALSA: firewire-lib: localize kernel APIs to start/stop each AMDTP stream
As a result to support AMDTP domain, no drivers call kernel APIs to
start/stop each AMDTP stream. This commit localize these APIs.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire')
| -rw-r--r-- | sound/firewire/amdtp-stream.c | 6 | ||||
| -rw-r--r-- | sound/firewire/amdtp-stream.h | 2 |
2 files changed, 2 insertions, 6 deletions
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 158d210caea7..1a92855c7647 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -894,7 +894,7 @@ static void amdtp_stream_first_callback(struct fw_iso_context *context, * amdtp_stream_set_parameters() and it must be started before any PCM or MIDI * device can be started. */ -int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed) +static int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed) { static const struct { unsigned int data_block; @@ -1027,7 +1027,6 @@ err_unlock: return err; } -EXPORT_SYMBOL(amdtp_stream_start); /** * amdtp_stream_pcm_pointer - get the PCM buffer position @@ -1098,7 +1097,7 @@ EXPORT_SYMBOL(amdtp_stream_update); * All PCM and MIDI devices of the stream must be stopped before the stream * itself can be stopped. */ -void amdtp_stream_stop(struct amdtp_stream *s) +static void amdtp_stream_stop(struct amdtp_stream *s) { mutex_lock(&s->mutex); @@ -1118,7 +1117,6 @@ void amdtp_stream_stop(struct amdtp_stream *s) mutex_unlock(&s->mutex); } -EXPORT_SYMBOL(amdtp_stream_stop); /** * amdtp_stream_pcm_abort - abort the running PCM device diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index 15d471660a43..bbbca964b9b4 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -188,9 +188,7 @@ int amdtp_stream_set_parameters(struct amdtp_stream *s, unsigned int rate, unsigned int data_block_quadlets); unsigned int amdtp_stream_get_max_payload(struct amdtp_stream *s); -int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed); void amdtp_stream_update(struct amdtp_stream *s); -void amdtp_stream_stop(struct amdtp_stream *s); int amdtp_stream_add_pcm_hw_constraints(struct amdtp_stream *s, struct snd_pcm_runtime *runtime); |