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Diffstat (limited to 'drivers/media/dvb-frontends/ix2505v.h')
-rw-r--r--drivers/media/dvb-frontends/ix2505v.h49
1 files changed, 19 insertions, 30 deletions
diff --git a/drivers/media/dvb-frontends/ix2505v.h b/drivers/media/dvb-frontends/ix2505v.h
index 1a735a75aa98..175569131365 100644
--- a/drivers/media/dvb-frontends/ix2505v.h
+++ b/drivers/media/dvb-frontends/ix2505v.h
@@ -1,55 +1,44 @@
-/**
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
* Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
*
* Copyright (C) 2010 Malcolm Priestley
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2, as
- * published by the Free Software Foundation.
- *
- * 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 DVB_IX2505V_H
#define DVB_IX2505V_H
-#include <linux/kconfig.h>
#include <linux/i2c.h>
-#include "dvb_frontend.h"
+#include <media/dvb_frontend.h>
/**
- * Attach a ix2505v tuner to the supplied frontend structure.
+ * struct ix2505v_config - ix2505 attachment configuration
*
- * @param fe Frontend to attach to.
- * @param config ix2505v_config structure
- * @return FE pointer on success, NULL on failure.
+ * @tuner_address: tuner address
+ * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB
+ * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default)
+ * @min_delay_ms: delay after tune
+ * @tuner_write_only: disables reads
*/
-
struct ix2505v_config {
u8 tuner_address;
-
- /*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */
u8 tuner_gain;
-
- /*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */
u8 tuner_chargepump;
-
- /* delay after tune */
int min_delay_ms;
-
- /* disables reads*/
u8 tuner_write_only;
};
-#if IS_ENABLED(CONFIG_DVB_IX2505V)
+#if IS_REACHABLE(CONFIG_DVB_IX2505V)
+/**
+ * ix2505v_attach - Attach a ix2505v tuner to the supplied frontend structure.
+ *
+ * @fe: Frontend to attach to.
+ * @config: pointer to &struct ix2505v_config
+ * @i2c: pointer to &struct i2c_adapter.
+ *
+ * return: FE pointer on success, NULL on failure.
+ */
extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
const struct ix2505v_config *config, struct i2c_adapter *i2c);
#else