> I think the root cause of this issue is that both vc4.ko and snd_bcm2835.ko > try to provide ALSA sinks to HDMI audio outputs from RPi. > Why do the two drivers provide the same functionality for the same device? > It seems nonsense. > There must be some coordination between vc4.ko and snd_bcm2835.ko > on who provides ALSA sinks of RPi HDMI output. Giving "enable_hdmi=0" to snd_bcm2835.ko does not improve the situation, while module_blacklisting snd_bcm2835 suppresses all the symptoms reported. snd_bcm2835.ko in 5.10.24 seems having a bug ignoring "enable_hdmi=0". Best regards, Ryutaroh _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
