12345678910111213141516171819202122232425262728293031323334353637 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Driver for LNB supply and control IC STMicroelectronics LNBH29
- *
- * Copyright (c) 2018 Socionext Inc.
- */
- #ifndef LNBH29_H
- #define LNBH29_H
- #include <linux/i2c.h>
- #include <linux/dvb/frontend.h>
- /* Using very low E.S.R. capacitors or ceramic caps */
- #define LNBH29_DATA_COMP BIT(3)
- struct lnbh29_config {
- u8 i2c_address;
- u8 data_config;
- };
- #if IS_REACHABLE(CONFIG_DVB_LNBH29)
- struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe,
- struct lnbh29_config *cfg,
- struct i2c_adapter *i2c);
- #else
- static inline struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe,
- struct lnbh29_config *cfg,
- struct i2c_adapter *i2c)
- {
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
- }
- #endif
- #endif
|