snd_pcm_sgbuf_ops_page is no longer needed to be set explicitly to PCM
page ops since the recent change in the PCM core (*). Leaving it NULL
should work as long as the preallocation has been done properly.
This patch drops the redundant lines.
(*) 7e8edae39f: ALSA: pcm: Handle special page mapping in the
default mmap handler
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191108094641.20086-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
b01aa131fa