237 static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val);
407 	return xc4000_readreg(priv, XREG_ADC_ENV, adc_envelope);  in xc_get_adc_envelope()
416 	result = xc4000_readreg(priv, XREG_FREQ_ERROR, &regData);  in xc_get_frequency_error()
428 	return xc4000_readreg(priv, XREG_LOCK, lock_status);  in xc_get_lock_status()
438 	result = xc4000_readreg(priv, XREG_VERSION, &data);  in xc_get_version()
455 	result = xc4000_readreg(priv, XREG_HSYNC_FREQ, &regData);  in xc_get_hsync_freq()
465 	return xc4000_readreg(priv, XREG_FRAME_LINES, frame_lines);  in xc_get_frame_lines()
470 	return xc4000_readreg(priv, XREG_QUALITY, quality);  in xc_get_quality()
475 	return xc4000_readreg(priv, XREG_SIGNAL_LEVEL, signal);  in xc_get_signal_level()
480 	return xc4000_readreg(priv, XREG_NOISE_LEVEL, noise);  in xc_get_noise_level()
531 static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val)  in xc4000_readreg()  function
1029 	if (xc4000_readreg(priv, XREG_PRODUCT_ID, &hwmodel) < 0) {  in check_firmware()
1458 	rc = xc4000_readreg(priv, XREG_SIGNAL_LEVEL, &value);  in xc4000_get_signal()
1482 	rc = xc4000_readreg(priv, XREG_NOISE_LEVEL, &value);  in xc4000_get_signal()
1527 			if (xc4000_readreg(priv, XREG_SNR, &snr) == 0) {  in xc4000_get_frequency()
1696 		if (xc4000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)  in xc4000_attach()