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ASoC: fsl_sai: add 12kHz, 24kHz, 176.4kHz and 192kHz sample rate support
Normally we don't support 12kHz, 24kHz in audio driver, alsa didn't have formal definition of 12kHz, 24kHz, but alsa supply a way to support these sample rates. And add 176.4kHz and 192kHz support. Signed-off-by: Zidan Wang <zidan.wang@freescale.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -27,6 +27,17 @@
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#define FSL_SAI_FLAGS (FSL_SAI_CSR_SEIE |\
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FSL_SAI_CSR_FEIE)
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static u32 fsl_sai_rates[] = {
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8000, 11025, 12000, 16000, 22050,
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24000, 32000, 44100, 48000, 64000,
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88200, 96000, 176400, 192000
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};
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static struct snd_pcm_hw_constraint_list fsl_sai_rate_constraints = {
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.count = ARRAY_SIZE(fsl_sai_rates),
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.list = fsl_sai_rates,
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};
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static irqreturn_t fsl_sai_isr(int irq, void *devid)
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{
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struct fsl_sai *sai = (struct fsl_sai *)devid;
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@ -519,7 +530,10 @@ static int fsl_sai_startup(struct snd_pcm_substream *substream,
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regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE,
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FSL_SAI_CR3_TRCE);
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return 0;
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ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE, &fsl_sai_rate_constraints);
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return ret;
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}
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static void fsl_sai_shutdown(struct snd_pcm_substream *substream,
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@ -573,14 +587,18 @@ static struct snd_soc_dai_driver fsl_sai_dai = {
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.stream_name = "CPU-Playback",
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000_96000,
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.rate_min = 8000,
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.rate_max = 192000,
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.rates = SNDRV_PCM_RATE_KNOT,
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.formats = FSL_SAI_FORMATS,
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},
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.capture = {
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.stream_name = "CPU-Capture",
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000_96000,
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.rate_min = 8000,
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.rate_max = 192000,
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.rates = SNDRV_PCM_RATE_KNOT,
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.formats = FSL_SAI_FORMATS,
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},
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.ops = &fsl_sai_pcm_dai_ops,
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