1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lnbp22.h b/drivers/media/dvb-frontends/lnbp22.h
new file mode 100644
index 000000000..35810d9d0
--- /dev/null
+++ b/drivers/media/dvb-frontends/lnbp22.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * lnbp22.h - driver for lnb supply and control ic lnbp22
+ *
+ * Copyright (C) 2006 Dominik Kuhlen
+ * Based on lnbp21.h
+ *
+ * the project's page is at https://linuxtv.org
+ */
+
+#ifndef _LNBP22_H
+#define _LNBP22_H
+
+/* Enable */
+#define LNBP22_EN	  0x10
+/* Voltage selection */
+#define LNBP22_VSEL	0x02
+/* Plus 1 Volt Bit */
+#define LNBP22_LLC	0x01
+
+#include <linux/dvb/frontend.h>
+
+#if IS_REACHABLE(CONFIG_DVB_LNBP22)
+/*
+ * override_set and override_clear control which system register bits (above)
+ * to always set & clear
+ */
+extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
+						struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
+						struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_LNBP22 */
+
+#endif /* _LNBP22_H */