Commit 9c7da1a5 authored by Peter Rosin's avatar Peter Rosin Committed by Mark Brown
Browse files

ASoC: pcm512x: Use the correct range constraints for S24_LE 



This was overlooked in the late change to remove the I2S padding bits
from S24_LE mode. The patch also limits S32_LE mode to 384kHz, the
maximum according to the datasheets.

Signed-off-by: default avatarPeter Rosin <peda@axentia.se>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2599a960

sound/soc/codecs/pcm512x.c

+20 −19
Original line number Diff line number Diff line
@@ -356,36 +356,37 @@ static const struct snd_pcm_hw_constraint_list constraints_slave = { 
	.list  = pcm512x_dai_rates,

};



static const struct snd_interval pcm512x_dai_ranges_64bpf[] = {

	{

		.min = 8000,

		.max = 195312,

	}, {

		.min = 250000,

		.max = 390625,

	},

};



static struct snd_pcm_hw_constraint_ranges constraints_64bpf = {

	.count  = ARRAY_SIZE(pcm512x_dai_ranges_64bpf),

	.ranges = pcm512x_dai_ranges_64bpf,

};



static int pcm512x_hw_rule_rate(struct snd_pcm_hw_params *params,

				struct snd_pcm_hw_rule *rule)

{

	struct snd_pcm_hw_constraint_ranges *r = rule->private;

	struct snd_interval ranges[2];

	int frame_size;



	frame_size = snd_soc_params_to_frame_size(params);

	if (frame_size < 0)

		return frame_size;



	if (frame_size != 64)

	switch (frame_size) {

	case 32:

		/* No hole when the frame size is 32. */

		return 0;

	case 48:

	case 64:

		/* There is only one hole in the range of supported

		 * rates, but it moves with the frame size.

		 */

		memset(ranges, 0, sizeof(ranges));

		ranges[0].min = 8000;

		ranges[0].max = 25000000 / frame_size / 2;

		ranges[1].min = DIV_ROUND_UP(16000000, frame_size);

		ranges[1].max = 384000;

		break;

	default:

		return -EINVAL;

	}



	return snd_interval_ranges(hw_param_interval(params, rule->var),

				   r->count, r->ranges, r->mask);

				   ARRAY_SIZE(ranges), ranges, 0);

}



static int pcm512x_dai_startup_master(struct snd_pcm_substream *substream,
@@ -407,7 +408,7 @@ static int pcm512x_dai_startup_master(struct snd_pcm_substream *substream, 
		return snd_pcm_hw_rule_add(substream->runtime, 0,

					   SNDRV_PCM_HW_PARAM_RATE,

					   pcm512x_hw_rule_rate,

					   (void *)&constraints_64bpf,

					   NULL,

					   SNDRV_PCM_HW_PARAM_FRAME_BITS,

					   SNDRV_PCM_HW_PARAM_CHANNELS, -1);