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Subject[RESEND] Asoc: qcom: lpass-cpu: Mark HDMI TX parity register as volatile
Date
Update LPASS_HDMI_TX_PARITY_ADDR register as volatile, to fix
dp audio failures observed with some of external monitors.

Fixes: 7cb37b7bd0d3 ("ASoC: qcom: Add support for lpass hdmi driver")

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
---
-- Resending this patch as it was posted long back and forgot to track.

sound/soc/qcom/lpass-cpu.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index 99a3b44..5435384 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -784,6 +784,8 @@ static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg)
return true;
if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v))
return true;
+ if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
+ return true;

for (i = 0; i < v->hdmi_rdma_channels; ++i) {
if (reg == LPAIF_HDMI_RDMACURR_REG(v, i))
--
2.7.4
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