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V4L/DVB: gspca - pac7302: Add support for camera button. 

Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Márton Németh 2010-01-28 16:33:38 -03:00 committed by Mauro Carvalho Chehab
parent 0274d42e05
commit aed6f1b5fe
1 changed files with 37 additions and 0 deletions
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37
drivers/media/video/gspca/pac7302.c
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@ -5,6 +5,8 @@
* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
*
* Separated from Pixart PAC7311 library by Márton Németh <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 -- */