139 	int samples = 5;  in noise_magnitude()  local
142 		/* The last 192 samples are enough for noise detection */  in noise_magnitude()
147 	freq_step = (freq_end - freq_start) / (samples - 1);  in noise_magnitude()
149 	for (i = 0; i < samples; i++) {  in noise_magnitude()
154 	return (u32)int_sqrt(sum / samples);  in noise_magnitude()
240 	s16 *samples;  in read_rds_samples()  local
251 		"read RDS samples: current_address=%08x (offset=%08x), sample_count=%d, aud_intstat=%08x\n",  in read_rds_samples()
255 	samples = kmalloc_array(sample_count, sizeof(*samples), GFP_KERNEL);  in read_rds_samples()
256 	if (!samples)  in read_rds_samples()
263 		samples[i] = cx_read(srch->fifo_start + offset);  in read_rds_samples()
267 	dprintk(2, "RDS samples dump: %*ph\n", sample_count, samples);  in read_rds_samples()
269 	return samples;  in read_rds_samples()
274 	s16 *samples;  in cx88_dsp_detect_stereo_sap()  local
278 	/* If audio RDS fifo is disabled, we can't read the samples */  in cx88_dsp_detect_stereo_sap()
288 	samples = read_rds_samples(core, &N);  in cx88_dsp_detect_stereo_sap()
290 	if (!samples)  in cx88_dsp_detect_stereo_sap()
298 		ret = detect_a2_a2m_eiaj(core, samples, N);  in cx88_dsp_detect_stereo_sap()
301 		ret = detect_btsc(core, samples, N);  in cx88_dsp_detect_stereo_sap()
312 	kfree(samples);  in cx88_dsp_detect_stereo_sap()