Track open compressed streams per device so disconnect can stop active streams and wake waiters before snd_unregister_device(). This aligns compressed stream teardown with PCM disconnect behavior and prevents active userspace streams from running into unregister races. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20261007084955.1256-4-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>