[alsa-devel] [PATCH] - ALSA - HDA - Remove "PCM Playback Volume" and "PCM Playback Switch" from Virtual Master of realtek codec

Afer commit aa202455eec51699e44f658530728162cefa1307 , none of realtek codec has hardware volume control "PCM Playback Volume" and "PCM Playback Switch"

As Virtual Master require all slave controls must have same number of step and dB range