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rawmidi: return ENOTSUP when timestamp reads are not supported by plugins

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-09-22 20:18:57 +02:00
parent 5ac6198376
commit c578e80d6f
1 changed files with 4 additions and 0 deletions
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4
src/rawmidi/rawmidi.c
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@ -844,6 +844,8 @@ int snd_rawmidi_params_set_read_mode(const snd_rawmidi_t *rawmidi, snd_rawmidi_p
framing = SNDRV_RAWMIDI_MODE_FRAMING_NONE;
break;
case SND_RAWMIDI_READ_TSTAMP:
if (rawmidi->ops->tread == NULL)
return -ENOTSUP;
framing = SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP;
break;
default:
@ -1114,5 +1116,7 @@ ssize_t snd_rawmidi_tread(snd_rawmidi_t *rawmidi, struct timespec *tstamp, void
assert(buffer || size == 0);
if ((rawmidi->params_mode & SNDRV_RAWMIDI_MODE_FRAMING_MASK) == SNDRV_RAWMIDI_MODE_FRAMING_TSTAMP)
return -EINVAL;
if (rawmidi->ops->tread == NULL)
return -ENOTSUP;
return (rawmidi->ops->tread)(rawmidi, tstamp, buffer, size);
}