Dne 30. 09. 20 v 7:51 Hui Wang napsal(a): > If the caller of enable_callback_mst() passes a cb func, the callee > function will malloc memory and link this cb func to the list > unconditionally. This will introduce problem if caller is in the > hda_codec_ops.init() since the init() will be repeatedly called in the > codec rt_resume(). > > So far, the patch_hdmi.c and patch_ca0132.c call enable_callback_mst() > in the hda_codec_ops.init(). Won't be better to handle this double invocation at the callback call time? I believe that some refcounting and pointing to one allocated callback structure for all instances is better. Jaroslav -- Jaroslav Kysela <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
