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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/si21xx.h 810 Bytes
6b13f685e   김민수   BSP 최초 추가
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  #ifndef SI21XX_H
  #define SI21XX_H
  
  #include <linux/kconfig.h>
  #include <linux/dvb/frontend.h>
  #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(CONFIG_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
  ", __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