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.
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210722115141.516-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
}
}
-/* Line discipline .write_wakeup() */
-static void v253_wakeup(struct tty_struct *tty)
-{
-}
-
struct tty_ldisc_ops v253_ops = {
.name = "cx20442",
.owner = THIS_MODULE,
.close = v253_close,
.hangup = v253_hangup,
.receive_buf = v253_receive,
- .write_wakeup = v253_wakeup,
};
EXPORT_SYMBOL_GPL(v253_ops);