From ddd86436f4e3643c04b797f858dab95d5f2e4de9 Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 15:00:15 +0000 Subject: fish --- drivers/media/dvb-frontends/si21xx.h | 37 ++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 drivers/media/dvb-frontends/si21xx.h (limited to 'drivers/media/dvb-frontends/si21xx.h') diff --git a/drivers/media/dvb-frontends/si21xx.h b/drivers/media/dvb-frontends/si21xx.h new file mode 100644 index 0000000..160383f --- /dev/null +++ b/drivers/media/dvb-frontends/si21xx.h @@ -0,0 +1,37 @@ +#ifndef SI21XX_H +#define SI21XX_H + +#include +#include +#include "dvb_frontend.h" + +struct si21xx_config { + /* the demodulator's i2c address */ + u8 demod_address; + + /* minimum delay before retuning */ + int min_delay_ms; +}; + +#if IS_ENABLED(CPTCFG_DVB_SI21XX) +extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *si21xx_attach( + const struct si21xx_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val) +{ + int r = 0; + u8 buf[] = {reg, val}; + if (fe->ops.write) + r = fe->ops.write(fe, buf, 2); + return r; +} + +#endif -- cgit v1.2.3