Minor mxcfb debug logging tweak (#729)
Minor mxcfb debug logging tweak (#729)

Recap the actual details of the ioctl, to complement the debug logging from UIManager
NiLuJe/koreader-base,NiLuJe/koreader-base,houqp/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,koreader/koreader-base,NiLuJe/koreader-base,Frenzie/koreader-base,Frenzie/koreader-base,houqp/koreader-base,houqp/koreader-base,houqp/koreader-base,koreader/koreader-base,Frenzie/koreader-base,Frenzie/koreader-base,koreader/koreader-base