Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef SI21XX_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define SI21XX_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/dvb/frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <media/dvb_frontend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) struct si21xx_config {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	/* the demodulator's i2c address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	u8 demod_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	/* minimum delay before retuning */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	int min_delay_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #if IS_REACHABLE(CONFIG_DVB_SI21XX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 						struct i2c_adapter *i2c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static inline struct dvb_frontend *si21xx_attach(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		const struct si21xx_config *config, struct i2c_adapter *i2c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	int r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	u8 buf[] = {reg, val};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	if (fe->ops.write)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		r = fe->ops.write(fe, buf, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #endif