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Commit 48c27016 authored by David Engraf's avatar David Engraf Committed by Dmitry Torokhov
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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: default avatarDavid <Engraf&lt;david.engraf@sysgo.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent b0f05aad

drivers/input/serio/serport.c

+20 −4
Original line number Diff line number Diff line
@@ -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);