2 * Realtek RTL2832U SDR driver
4 * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 * GNU Radio plugin "gr-kernel" for device usage will be on:
21 * http://git.linuxtv.org/anttip/gr-kernel.git
24 * Help is very highly welcome for these + all the others you could imagine:
25 * - move controls to V4L2 API
26 * - use libv4l2 for stream format conversions
27 * - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu)
34 #include <linux/kconfig.h>
35 #include <media/v4l2-subdev.h>
37 /* for config struct */
40 #if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
41 extern struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
42 struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
43 struct v4l2_subdev *sd);
45 static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
46 struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
47 struct v4l2_subdev *sd)
49 dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
54 #endif /* RTL2832_SDR_H */