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>

diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 6e362de..8755f5f 100644 (file)
--- 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);