[PATCH 1/2] ASoC: fsl_xcvr: get channel status data when PHY is not exists
Shengjiu Wang
shengjiu.wang at nxp.com
Thu Jul 10 13:04:04 AEST 2025
There is no PHY for the XCVR module on i.MX93, the channel status needs
to be obtained from FSL_XCVR_RX_CS_DATA_* registers. And channel status
acknowledge (CSA) bit should be set once channel status is processed.
Fixes: e240b9329a30 ("ASoC: fsl_xcvr: Add support for i.MX93 platform")
Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
---
sound/soc/fsl/fsl_xcvr.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index e3111dd80be4..405433144515 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -1423,6 +1423,26 @@ static irqreturn_t irq0_isr(int irq, void *devid)
/* clear CS control register */
memset_io(reg_ctrl, 0, sizeof(val));
}
+ } else {
+ regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_0,
+ (u32 *)&xcvr->rx_iec958.status[0]);
+ regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_1,
+ (u32 *)&xcvr->rx_iec958.status[4]);
+ regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_2,
+ (u32 *)&xcvr->rx_iec958.status[8]);
+ regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_3,
+ (u32 *)&xcvr->rx_iec958.status[12]);
+ regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_4,
+ (u32 *)&xcvr->rx_iec958.status[16]);
+ regmap_read(xcvr->regmap, FSL_XCVR_RX_CS_DATA_5,
+ (u32 *)&xcvr->rx_iec958.status[20]);
+ for (i = 0; i < 6; i++) {
+ val = *(u32 *)(xcvr->rx_iec958.status + i * 4);
+ *(u32 *)(xcvr->rx_iec958.status + i * 4) =
+ bitrev32(val);
+ }
+ regmap_set_bits(xcvr->regmap, FSL_XCVR_RX_DPTH_CTRL,
+ FSL_XCVR_RX_DPTH_CTRL_CSA);
}
}
if (isr & FSL_XCVR_IRQ_NEW_UD) {
--
2.34.1
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