v4.19.13 snapshot.
diff --git a/drivers/media/dvb-frontends/cx24123.h b/drivers/media/dvb-frontends/cx24123.h
new file mode 100644
index 0000000..aac2344
--- /dev/null
+++ b/drivers/media/dvb-frontends/cx24123.h
@@ -0,0 +1,60 @@
+/*
+ Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
+
+ Copyright (C) 2005 Steven Toth <stoth@linuxtv.org>
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef CX24123_H
+#define CX24123_H
+
+#include <linux/dvb/frontend.h>
+
+struct cx24123_config {
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* Need to set device param for start_dma */
+ int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
+
+ /* 0 = LNB voltage normal, 1 = LNB voltage inverted */
+ int lnb_polarity;
+
+ /* this device has another tuner */
+ u8 dont_use_pll;
+ void (*agc_callback) (struct dvb_frontend *);
+};
+
+#if IS_REACHABLE(CONFIG_DVB_CX24123)
+extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
+ struct i2c_adapter *i2c);
+extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
+#else
+static inline struct dvb_frontend *cx24123_attach(
+ const struct cx24123_config *config, struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+static inline struct i2c_adapter *
+ cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* CX24123_H */