ASoC: davinci-macsp: Optimize implicit BLCK sample-rate rule
There is no need to copy the list of all supported sample-rates. Finding the supported endpoints within the current range is enough (see snd_interval_list()). Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1023,27 +1023,35 @@ static int davinci_mcasp_hw_rule_rate(struct snd_pcm_hw_params *params,
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hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
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int sbits = params_width(params);
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int slots = rd->mcasp->tdm_slots;
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unsigned int list[ARRAY_SIZE(davinci_mcasp_dai_rates)];
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int i, count = 0;
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struct snd_interval range;
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int i;
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snd_interval_any(&range);
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range.empty = 1;
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for (i = 0; i < ARRAY_SIZE(davinci_mcasp_dai_rates); i++) {
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if (ri->min <= davinci_mcasp_dai_rates[i] &&
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ri->max >= davinci_mcasp_dai_rates[i]) {
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if (snd_interval_test(ri, davinci_mcasp_dai_rates[i])) {
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uint bclk_freq = sbits*slots*
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davinci_mcasp_dai_rates[i];
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int ppm;
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davinci_mcasp_calc_clk_div(rd->mcasp, bclk_freq, &ppm);
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if (abs(ppm) < DAVINCI_MAX_RATE_ERROR_PPM)
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list[count++] = davinci_mcasp_dai_rates[i];
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if (abs(ppm) < DAVINCI_MAX_RATE_ERROR_PPM) {
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if (range.empty) {
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range.min = davinci_mcasp_dai_rates[i];
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range.empty = 0;
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}
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range.max = davinci_mcasp_dai_rates[i];
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}
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}
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}
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dev_dbg(rd->mcasp->dev,
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"%d frequencies (%d-%d) for %d sbits and %d tdm slots\n",
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count, ri->min, ri->max, sbits, slots);
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return snd_interval_list(hw_param_interval(params, rule->var),
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count, list, 0);
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dev_dbg(rd->mcasp->dev,
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"Frequencies %d-%d -> %d-%d for %d sbits and %d tdm slots\n",
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ri->min, ri->max, range.min, range.max, sbits, slots);
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return snd_interval_refine(hw_param_interval(params, rule->var),
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&range);
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}
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static int davinci_mcasp_hw_rule_format(struct snd_pcm_hw_params *params,
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