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| author |   Clemens Ladisch <clemens@ladisch.de> | 2011-09-04 22:15:44 +0200 |
|---|---|---|
| committer | Clemens Ladisch <clemens@ladisch.de> | 2013-10-20 22:07:57 +0200 |
| commit | 20b65dd040ce38e2bc0fa3cae13b954c865b61fe (patch) | |
| tree | 27b8ae49b43b2b6b4e6635128936ebfcfd20d75c /sound/firewire/speakers.c | |
| parent | ALSA: dice: clear device lock when closing hwdep device (diff) | |
| download | linux-dev-20b65dd040ce38e2bc0fa3cae13b954c865b61fe.tar.xz linux-dev-20b65dd040ce38e2bc0fa3cae13b954c865b61fe.zip | |
ALSA: firewire: introduce amdtp_out_stream_running()
Introduce the helper function amdtp_out_stream_running(). This makes
many checks in amdtp.c clearer and frees the device drivers from having
to track this with a separate variable.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/firewire/speakers.c')
| -rw-r--r-- | sound/firewire/speakers.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c index 2c6386503940..0ac56304baff 100644 --- a/sound/firewire/speakers.c +++ b/sound/firewire/speakers.c @@ -53,7 +53,6 @@ struct fwspk { struct mutex mutex; struct cmp_connection connection; struct amdtp_out_stream stream; - bool stream_running; bool mute; s16 volume[6]; s16 volume_min; @@ -189,10 +188,9 @@ static int fwspk_close(struct snd_pcm_substream *substream) static void fwspk_stop_stream(struct fwspk *fwspk) { - if (fwspk->stream_running) { + if (amdtp_out_stream_running(&fwspk->stream)) { amdtp_out_stream_stop(&fwspk->stream); cmp_connection_break(&fwspk->connection); - fwspk->stream_running = false; } } @@ -286,7 +284,7 @@ static int fwspk_prepare(struct snd_pcm_substream *substream) if (amdtp_out_streaming_error(&fwspk->stream)) fwspk_stop_stream(fwspk); - if (!fwspk->stream_running) { + if (!amdtp_out_stream_running(&fwspk->stream)) { err = cmp_connection_establish(&fwspk->connection, amdtp_out_stream_get_max_payload(&fwspk->stream)); if (err < 0) @@ -297,8 +295,6 @@ static int fwspk_prepare(struct snd_pcm_substream *substream) fwspk->connection.speed); if (err < 0) goto err_connection; - - fwspk->stream_running = true; } mutex_unlock(&fwspk->mutex); |