ASoC: cx20442: tty_ldisc_ops::write_wakeup is optional
authorJiri Slaby <jslaby@suse.cz>
Thu, 22 Jul 2021 11:51:40 +0000 (13:51 +0200)
committerMark Brown <broonie@kernel.org>
Thu, 29 Jul 2021 14:35:49 +0000 (15:35 +0100)
commitd7a3a6801913a4b57a7e525c4906d348213acfb0
treefce049200bb791b319620d050913d133a7031819
parent2080acf3d18029ca52189a14b2ee462ea89c5d06
ASoC: cx20442: tty_ldisc_ops::write_wakeup is optional

TTY layer does nothing if tty_ldisc_ops::write_wakeup is NULL, so there
is no need to implement an empty one in cx20442. Drop it.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210722115141.516-1-jslaby@suse.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/cx20442.c