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Commit aed6f1b5 authored by Márton Németh's avatar Márton Németh Committed by Mauro Carvalho Chehab
Browse files

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

parent 0274d42e
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+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 -- */