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ASoC: cx20442: set tty->receiver_room in v253_open

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Commit 79901317ce80 ("n_tty: Don't flush buffer when closing ldisc"),
introduced in v3.10, revealed a bug in the cx20442 codec driver
which has never been setting tty->receive_room on line discipline
open as it should from the beginning. Fix it.

Created and tested on Amstrad Delta against Linux-4.7-rc3

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Janusz Krzysztofik 2016-06-16 22:04:35 +02:00 committed by Mark Brown
parent 1a695a905c
commit 86c0ae7cde
1 changed files with 1 additions and 0 deletions
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1
sound/soc/codecs/cx20442.c
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@ -226,6 +226,7 @@ static int v253_open(struct tty_struct *tty)
if (!tty->disc_data)
return -ENODEV;
tty->receive_room = 16;
if (tty->ops->write(tty, v253_init, len) != len) {
ret = -EIO;
goto err;