diff options
| author | Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com> | 2018-08-02 22:08:39 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-09-12 09:24:41 -0400 |
| commit | 1b09dd9ff8a59b945fe8b5c4e4b8416a63252cac (patch) | |
| tree | e0e419107c7a0c39d1c262069622772c4a84f0ec /drivers/media/dvb-frontends/lnbh29.h | |
| parent | 447d66855391f702493cbbc8b8bdcc5a75d71f52 (diff) | |
media: dvb-frontends: add LNBH29 LNB supply driver
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>
Diffstat (limited to 'drivers/media/dvb-frontends/lnbh29.h')
| -rw-r--r-- | drivers/media/dvb-frontends/lnbh29.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lnbh29.h b/drivers/media/dvb-frontends/lnbh29.h new file mode 100644 index 000000000000..6179921520d9 --- /dev/null +++ b/drivers/media/dvb-frontends/lnbh29.h @@ -0,0 +1,36 @@ +/* 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 |