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Commit 95d1544e authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
Browse files

media: rc: add ioctl to get the current timeout 



Since the kernel now modifies the timeout, make it possible to retrieve
the current value.

Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent a86d6df8

Documentation/media/uapi/rc/lirc-func.rst

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ LIRC Function Reference 
    lirc-get-rec-resolution

    lirc-set-send-duty-cycle

    lirc-get-timeout

    lirc-get-rec-timeout

    lirc-set-rec-timeout

    lirc-set-rec-carrier

    lirc-set-rec-carrier-range

Documentation/media/uapi/rc/lirc-set-rec-timeout.rst

+9 −5
Original line number Diff line number Diff line 
.. -*- coding: utf-8; mode: rst -*-



.. _lirc_set_rec_timeout:

.. _lirc_get_rec_timeout:



**************************

ioctl LIRC_SET_REC_TIMEOUT

**************************

***************************************************

ioctl LIRC_GET_REC_TIMEOUT and LIRC_SET_REC_TIMEOUT

***************************************************



Name

====



LIRC_SET_REC_TIMEOUT - sets the integer value for IR inactivity timeout.

LIRC_GET_REC_TIMEOUT/LIRC_SET_REC_TIMEOUT - Get/set the integer value for IR inactivity timeout.



Synopsis

========



.. c:function:: int ioctl( int fd, LIRC_GET_REC_TIMEOUT, __u32 *timeout )

    :name: LIRC_GET_REC_TIMEOUT



.. c:function:: int ioctl( int fd, LIRC_SET_REC_TIMEOUT, __u32 *timeout )

    :name: LIRC_SET_REC_TIMEOUT
@@ -30,7 +34,7 @@ Arguments 
Description

===========



Sets the integer value for IR inactivity timeout.

Get and set the integer value for IR inactivity timeout.



If supported by the hardware, setting it to 0  disables all hardware timeouts

and data should be reported as soon as possible. If the exact value

drivers/media/rc/lirc_dev.c

+7 −0
Original line number Diff line number Diff line
@@ -575,6 +575,13 @@ static long ir_lirc_ioctl(struct file *file, unsigned int cmd, 
		}

		break;



	case LIRC_GET_REC_TIMEOUT:

		if (!dev->timeout)

			ret = -ENOTTY;

		else

			val = DIV_ROUND_UP(dev->timeout, 1000);

		break;



	case LIRC_SET_REC_TIMEOUT_REPORTS:

		if (!dev->timeout)

			ret = -ENOTTY;

include/uapi/linux/lirc.h

+6 −0
Original line number Diff line number Diff line
@@ -133,6 +133,12 @@ 


#define LIRC_SET_WIDEBAND_RECEIVER     _IOW('i', 0x00000023, __u32)



/*

 * Return the recording timeout, which is either set by

 * the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols.

 */

#define LIRC_GET_REC_TIMEOUT	       _IOR('i', 0x00000024, __u32)



/*

 * struct lirc_scancode - decoded scancode with protocol for use with

 *	LIRC_MODE_SCANCODE