diff options
| author | David Engraf <david.engraf@sysgo.com> | 2011-01-20 23:05:17 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-01-20 23:11:56 -0800 |
| commit | 48c27016e18f8608c12b7516515ad773093198d8 (patch) | |
| tree | 18d46f8b955f5f83248dbb4de449feb559f9b103 | |
| parent | b0f05aadf1516c166ba301b7a535bc9429ce1961 (diff) | |
| download | linux-stable-48c27016e18f8608c12b7516515ad773093198d8.tar.gz linux-stable-48c27016e18f8608c12b7516515ad773093198d8.tar.bz2 linux-stable-48c27016e18f8608c12b7516515ad773093198d8.zip | |
Input: serio - allow registered drivers to get status flag
Parse and pass the status byte information to the registered serio
drivers as well as the data bytes.
Signed-off-by: David Engraf<david.engraf@sysgo.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| -rw-r--r-- | drivers/input/serio/serport.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c index 6e362de3f412..8755f5f3ad37 100644 --- a/drivers/input/serio/serport.c +++ b/drivers/input/serio/serport.c @@ -116,14 +116,15 @@ static void serport_ldisc_close(struct tty_struct *tty) /* * serport_ldisc_receive() is called by the low level tty driver when characters - * are ready for us. We forward the characters, one by one to the 'interrupt' - * routine. + * are ready for us. We forward the characters and flags, one by one to the + * 'interrupt' routine. */ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct serport *serport = (struct serport*) tty->disc_data; unsigned long flags; + unsigned int ch_flags; int i; spin_lock_irqsave(&serport->lock, flags); @@ -131,8 +132,23 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c if (!test_bit(SERPORT_ACTIVE, &serport->flags)) goto out; - for (i = 0; i < count; i++) - serio_interrupt(serport->serio, cp[i], 0); + for (i = 0; i < count; i++) { + switch (fp[i]) { + case TTY_FRAME: + ch_flags = SERIO_FRAME; + break; + + case TTY_PARITY: + ch_flags = SERIO_PARITY; + break; + + default: + ch_flags = 0; + break; + } + + serio_interrupt(serport->serio, cp[i], ch_flags); + } out: spin_unlock_irqrestore(&serport->lock, flags); |