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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-11 09:26:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-11 09:26:45 +0100 |
| commit | c744ca39f28f9a1e94a62ba02483619925d25ddc (patch) | |
| tree | bfcd445d31c88130cb0833675e2c7ea1c40f47e0 /sound/core/pcm_lib.c | |
| parent | serial: max310x: Correction of the initial setting of the MODE1 bits for various supported ICs. (diff) | |
| parent | Linux 5.0-rc6 (diff) | |
| download | wireguard-linux-c744ca39f28f9a1e94a62ba02483619925d25ddc.tar.xz wireguard-linux-c744ca39f28f9a1e94a62ba02483619925d25ddc.zip | |
Merge 5.0-rc6 into tty-next
We need the tty fixes in here for other patches to be based on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/core/pcm_lib.c')
| -rw-r--r-- | sound/core/pcm_lib.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 40013b26f671..6c99fa8ac5fa 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -2112,6 +2112,13 @@ int pcm_lib_apply_appl_ptr(struct snd_pcm_substream *substream, return 0; } +/* allow waiting for a capture stream that hasn't been started */ +#if IS_ENABLED(CONFIG_SND_PCM_OSS) +#define wait_capture_start(substream) ((substream)->oss.oss) +#else +#define wait_capture_start(substream) false +#endif + /* the common loop for read/write data */ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream, void *data, bool interleaved, @@ -2182,7 +2189,7 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream, err = snd_pcm_start(substream); if (err < 0) goto _end_unlock; - } else { + } else if (!wait_capture_start(substream)) { /* nothing to do */ err = 0; goto _end_unlock; |