media/radio/radio-si476x.c

214 	 *  on, primary tuner's antenna is the main one.
216 	 *  off, primary tuner's antenna is the main one.
218 	 *  off, secondary tuner's antenna is the main one.
220 	 *  on, secondary tuner's antenna is the main one.
254  * struct si476x_radio_ops - vtable of tuner functions
257  * operations depending on the mode in which the tuner chip was
265  * @phase_diversity: Change phase diversity mode of the tuner
341 	if (band->tuner != 0)
355 		/* FM companion tuner chips -- only FM bands are
373 				struct v4l2_tuner *tuner)
387 	if (tuner->index != 0)
390 	tuner->type       = V4L2_TUNER_RADIO;
391 	tuner->capability = V4L2_TUNER_CAP_LOW /* Measure frequencies
402 		strscpy(tuner->name, "FM (secondary)", sizeof(tuner->name));
403 		tuner->rxsubchans = 0;
404 		tuner->rangelow = si476x_bands[SI476X_BAND_FM].rangelow;
407 			strscpy(tuner->name, "AM/FM (primary)",
408 				sizeof(tuner->name));
410 			strscpy(tuner->name, "AM/FM", sizeof(tuner->name));
412 		tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO
414 		tuner->capability |= V4L2_TUNER_CAP_RDS
418 		tuner->rangelow = si476x_bands[SI476X_BAND_AM].rangelow;
420 		strscpy(tuner->name, "FM", sizeof(tuner->name));
421 		tuner->rxsubchans = V4L2_TUNER_SUB_RDS;
422 		tuner->capability |= V4L2_TUNER_CAP_RDS
425 		tuner->rangelow = si476x_bands[SI476X_BAND_FM].rangelow;
428 	tuner->audmode = radio->audmode;
430 	tuner->afc = 1;
431 	tuner->rangehigh = si476x_bands[SI476X_BAND_FM].rangehigh;
436 		tuner->signal = 0;
439 		 * tuner->signal value range: 0x0000 .. 0xFFFF,
442 		tuner->signal = (report.rssi + 128) * 257;
450 				const struct v4l2_tuner *tuner)
454 	if (tuner->index != 0)
457 	if (tuner->audmode == V4L2_TUNER_MODE_MONO ||
458 	    tuner->audmode == V4L2_TUNER_MODE_STEREO)
459 		radio->audmode = tuner->audmode;
500 		WARN(1, "Unexpected tuner function value\n");
531 		WARN(1, "Unexpected tuner function value\n");
604 	 * the tuner is in
622 	  Set the desired radio tuner function
647 	if (f->tuner != 0 ||
691 	if (f->tuner != 0 ||
739 	if (seek->tuner != 0 ||
912 		 * inaccessible when tuner is in AM mode, so cache the
972 			 * Diversity cannot be configured while tuner