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imx: sai: enable transmitter to output MCLK #7427

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Merged
dbaluta merged 1 commit into from
Apr 11, 2023
Merged

imx: sai: enable transmitter to output MCLK #7427

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15 changes: 11 additions & 4 deletions src/drivers/imx/sai.c
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Original file line number Diff line number Diff line change
Expand Up @@ -89,10 +89,6 @@ static void sai_start(struct dai *dai, int direction)
/* enable DMA requests */
dai_update_bits(dai, REG_SAI_XCSR(direction),
REG_SAI_CSR_FRDE, REG_SAI_CSR_FRDE);
#ifdef CONFIG_IMX8M
dai_update_bits(dai, REG_SAI_MCTL, REG_SAI_MCTL_MCLK_EN,
REG_SAI_MCTL_MCLK_EN);
#endif

chan_idx = BIT(0);
/* RX3 supports capture on imx8ulp */
Expand Down Expand Up @@ -364,6 +360,17 @@ static inline int sai_set_config(struct dai *dai, struct ipc_config_dai *common_
dai_update_bits(dai, REG_SAI_XMR(REG_RX_DIR), REG_SAI_XMR_MASK,
twm);

#ifdef CONFIG_IMX8M
/*
* For i.MX8MP, MCLK is bound with TX enable bit.
* Therefore, enable transmitter to output MCLK
*/
dai_update_bits(dai, REG_SAI_XCSR(DAI_DIR_PLAYBACK),
REG_SAI_CSR_TERE, REG_SAI_CSR_TERE);
dai_update_bits(dai, REG_SAI_MCTL, REG_SAI_MCTL_MCLK_EN,
REG_SAI_MCTL_MCLK_EN);
#endif

return 0;
}

Expand Down