use STATUS_EXT ioctl if PCM protocol is > 2.0.12 All audio timestamp configuration will be ignored with an older protocol.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- src/pcm/pcm_hw.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c index c34b766..232b197 100644 --- a/src/pcm/pcm_hw.c +++ b/src/pcm/pcm_hw.c @@ -510,10 +510,18 @@ static int snd_pcm_hw_status(snd_pcm_t *pcm, snd_pcm_status_t * status) { snd_pcm_hw_t *hw = pcm->private_data; int fd = hw->fd, err; - if (ioctl(fd, SNDRV_PCM_IOCTL_STATUS, status) < 0) { - err = -errno; - SYSMSG("SNDRV_PCM_IOCTL_STATUS failed (%i)", err); - return err; + if (SNDRV_PROTOCOL_VERSION(2, 0, 13) > hw->version) { + if (ioctl(fd, SNDRV_PCM_IOCTL_STATUS, status) < 0) { + err = -errno; + SYSMSG("SNDRV_PCM_IOCTL_STATUS failed (%i)", err); + return err; + } + } else { + if (ioctl(fd, SNDRV_PCM_IOCTL_STATUS_EXT, status) < 0) { + err = -errno; + SYSMSG("SNDRV_PCM_IOCTL_STATUS_EXT failed (%i)", err); + return err; + } } if (SNDRV_PROTOCOL_VERSION(2, 0, 5) > hw->version) { status->tstamp.tv_nsec *= 1000L;