Re: [PATCH] serio: allow registered drivers to get status flag

From: Dmitry Torokhov
Date: Tue Jan 18 2011 - 14:57:25 EST


On Tue, Jan 18, 2011 at 01:57:21PM +0100, David Engraf wrote:
> Parse the status byte information to the registered serio drivers as
> well as the character bytes.
>
> Signed-off-by: David Engraf <david.engraf@xxxxxxxxx>
>

> --- linux-2.6.37/drivers/input/serio/serport.c.orig 2011-01-18 12:33:41.421709232 +0100
> +++ linux-2.6.37/drivers/input/serio/serport.c 2011-01-18 13:33:24.521711214 +0100
> @@ -116,8 +116,8 @@ static void serport_ldisc_close(struct t
>
> /*
> * 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)
> @@ -132,7 +132,7 @@ static void serport_ldisc_receive(struct
> goto out;
>
> for (i = 0; i < count; i++)
> - serio_interrupt(serport->serio, cp[i], 0);
> + serio_interrupt(serport->serio, cp[i], fp[i]);
>

Hi David,

The flags argument that serio_interrupt() accepts not the raw protocol
data, but sanitized, protocol-independent SERIO_TIMEOUT, SERIO_PARITY
and SERIO_FRAME bits.

Thanks.

--
Dmitry
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