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1b09dd9ff8
Add support for STMicroelectronics LNBH29 LNB supply driver. Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
37 lines
806 B
C
37 lines
806 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Driver for LNB supply and control IC STMicroelectronics LNBH29
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*
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* Copyright (c) 2018 Socionext Inc.
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*/
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#ifndef LNBH29_H
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#define LNBH29_H
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#include <linux/i2c.h>
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#include <linux/dvb/frontend.h>
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/* Using very low E.S.R. capacitors or ceramic caps */
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#define LNBH29_DATA_COMP BIT(3)
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struct lnbh29_config {
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u8 i2c_address;
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u8 data_config;
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};
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#if IS_REACHABLE(CONFIG_DVB_LNBH29)
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struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe,
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struct lnbh29_config *cfg,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *lnbh29_attach(struct dvb_frontend *fe,
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struct lnbh29_config *cfg,
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struct i2c_adapter *i2c)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif
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