mirror of https://gitee.com/openkylin/linux.git
Merge remote-tracking branch 'asoc/topic/atmel' into asoc-next
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commit
604c724ba3
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@ -533,6 +533,49 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
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break;
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case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM:
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/*
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* DSP/PCM Mode A format, CODEC supplies BCLK and LRC clocks.
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*
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* The SSC transmit clock is obtained from the BCLK signal on
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* on the TK line, and the SSC receive clock is
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* generated from the transmit clock.
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*
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* Data is transferred on first BCLK after LRC pulse rising
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* edge.If stereo, the right channel data is contiguous with
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* the left channel data.
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*/
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rcmr = SSC_BF(RCMR_PERIOD, 0)
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| SSC_BF(RCMR_STTDLY, START_DELAY)
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| SSC_BF(RCMR_START, SSC_START_RISING_RF)
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| SSC_BF(RCMR_CKI, SSC_CKI_RISING)
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| SSC_BF(RCMR_CKO, SSC_CKO_NONE)
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| SSC_BF(RCMR_CKS, SSC_CKS_PIN);
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rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
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| SSC_BF(RFMR_FSOS, SSC_FSOS_NONE)
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| SSC_BF(RFMR_FSLEN, 0)
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| SSC_BF(RFMR_DATNB, (channels - 1))
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| SSC_BIT(RFMR_MSBF)
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| SSC_BF(RFMR_LOOP, 0)
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| SSC_BF(RFMR_DATLEN, (bits - 1));
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tcmr = SSC_BF(TCMR_PERIOD, 0)
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| SSC_BF(TCMR_STTDLY, START_DELAY)
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| SSC_BF(TCMR_START, SSC_START_RISING_RF)
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| SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
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| SSC_BF(TCMR_CKO, SSC_CKO_NONE)
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| SSC_BF(TCMR_CKS, SSC_CKS_PIN);
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tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
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| SSC_BF(TFMR_FSDEN, 0)
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| SSC_BF(TFMR_FSOS, SSC_FSOS_NONE)
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| SSC_BF(TFMR_FSLEN, 0)
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| SSC_BF(TFMR_DATNB, (channels - 1))
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| SSC_BIT(TFMR_MSBF)
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| SSC_BF(TFMR_DATDEF, 0)
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| SSC_BF(TFMR_DATLEN, (bits - 1));
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break;
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default:
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printk(KERN_WARNING "atmel_ssc_dai: unsupported DAI format 0x%x\n",
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ssc_p->daifmt);
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