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Commit aed6f1b5 authored by Márton Németh's avatar Márton Németh Committed by Mauro Carvalho Chehab
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V4L/DVB: gspca - pac7302: Add support for camera button. 



Signed-off-by: default avatarMárton Németh <nm127@freemail.hu>
Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 0274d42e

drivers/media/video/gspca/pac7302.c

+37 −0
Original line number Diff line number Diff line
@@ -5,6 +5,8 @@ 
 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>

 *

 * Separated from Pixart PAC7311 library by Mrton Nmeth <nm127@freemail.hu>

 * Camera button input handling by Márton Németh <nm127@freemail.hu>

 * Copyright (C) 2009-2010 Márton Németh <nm127@freemail.hu>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by
@@ -68,6 +70,7 @@ 


#define MODULE_NAME "pac7302"



#include <linux/input.h>

#include <media/v4l2-chip-ident.h>

#include "gspca.h"
@@ -1143,6 +1146,37 @@ static int sd_chip_ident(struct gspca_dev *gspca_dev, 
}

#endif



#ifdef CONFIG_INPUT

static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,

			u8 *data,		/* interrupt packet data */

			int len)		/* interrput packet length */

{

	int ret = -EINVAL;

	u8 data0, data1;



	if (len == 2) {

		data0 = data[0];

		data1 = data[1];

		if ((data0 == 0x00 && data1 == 0x11) ||

		    (data0 == 0x22 && data1 == 0x33) ||

		    (data0 == 0x44 && data1 == 0x55) ||

		    (data0 == 0x66 && data1 == 0x77) ||

		    (data0 == 0x88 && data1 == 0x99) ||

		    (data0 == 0xaa && data1 == 0xbb) ||

		    (data0 == 0xcc && data1 == 0xdd) ||

		    (data0 == 0xee && data1 == 0xff)) {

			input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);

			input_sync(gspca_dev->input_dev);

			input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);

			input_sync(gspca_dev->input_dev);

			ret = 0;

		}

	}



	return ret;

}

#endif



/* sub-driver description for pac7302 */

static const struct sd_desc sd_desc = {

	.name = MODULE_NAME,
@@ -1159,6 +1193,9 @@ static const struct sd_desc sd_desc = { 
	.set_register = sd_dbg_s_register,

	.get_chip_ident = sd_chip_ident,

#endif

#ifdef CONFIG_INPUT

	.int_pkt_scan = sd_int_pkt_scan,

#endif

};



/* -- module initialisation -- */