Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / dvb-frontends / s921.h

diff --git a/kernel/drivers/media/dvb-frontends/s921.h b/kernel/drivers/media/dvb-frontends/s921.h
new file mode 100644 (file)
index 0000000..7d3999a
--- /dev/null
+++ b/kernel/drivers/media/dvb-frontends/s921.h
@@ -0,0 +1,47 @@
+/*
+ *   Sharp s921 driver
+ *
+ *   Copyright (C) 2009 Mauro Carvalho Chehab
+ *   Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com>
+ *
+ *   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 version 2.
+ *
+ *   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.
+ */
+
+#ifndef S921_H
+#define S921_H
+
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+
+struct s921_config {
+       /* the demodulator's i2c address */
+       u8 demod_address;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_S921)
+extern struct dvb_frontend *s921_attach(const struct s921_config *config,
+                                          struct i2c_adapter *i2c);
+extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);
+#else
+static inline struct dvb_frontend *s921_attach(
+       const struct s921_config *config, struct i2c_adapter *i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+static struct i2c_adapter *
+       s921_get_tuner_i2c_adapter(struct dvb_frontend *fe)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+#endif
+
+#endif /* S921_H */