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authorMiroslav Urbanek <mu@miroslavurbanek.com>2016-09-09 11:50:27 +0200
committerPaul Davis <paul@linuxaudiosystems.com>2016-09-14 16:45:34 -0500
commitaa7e30bd74d7830abe0a649df4f2c6185541a32d (patch)
tree8881d8f9465b11ecae6edc46f055fded99625177
parentbea9d46b4c22cd5631fff5b3ee204e65c1cf2412 (diff)
downloadjack1-aa7e30bd74d7830abe0a649df4f2c6185541a32d.tar.gz
Explicitly enable timestamps in the ALSA backend
Fixes negative values in xrun reports on Linux kernels 4.0 and above.
-rw-r--r--drivers/alsa/alsa_driver.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/alsa/alsa_driver.c b/drivers/alsa/alsa_driver.c
index ca501e3..728d42f 100644
--- a/drivers/alsa/alsa_driver.c
+++ b/drivers/alsa/alsa_driver.c
@@ -573,6 +573,11 @@ alsa_driver_configure_stream (alsa_driver_t *driver, char *device_name,
return -1;
}
+ if ((err = snd_pcm_sw_params_set_tstamp_mode(handle, sw_params, SND_PCM_TSTAMP_ENABLE)) < 0) {
+ jack_error("ALSA: cannot set tstamp mode for %s", stream_name);
+ return -1;
+ }
+
if ((err = snd_pcm_sw_params (handle, sw_params)) < 0) {
jack_error ("ALSA: cannot set software parameters for %s\n",
stream_name);