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* [PATCH] Asoc: qcom: lpass-cpu: Fix dp audio failure on monitors
@ 2020-10-13 13:45 Srinivasa Rao Mandadapu
  0 siblings, 0 replies; only message in thread
From: Srinivasa Rao Mandadapu @ 2020-10-13 13:45 UTC (permalink / raw)
  To: agross, bjorn.andersson, lgirdwood, broonie, robh+dt, plai,
	bgoswami, perex, tiwai, srinivas.kandagatla, rohitkr,
	linux-arm-msm, alsa-devel, devicetree, linux-kernel
  Cc: V Sujith Kumar Reddy, Srinivasa Rao Mandadapu

From: V Sujith Kumar Reddy <>

Make LPASS_HDMI_TX_PARITY_ADDR reg as volatile to fix
dp audio failure with external monitors.
This patch is upgrade to below patch series.

Signed-off-by: V Sujith Kumar Reddy <>
Signed-off-by: Srinivasa Rao Mandadapu <>
 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 ba2aca3..78de888 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -660,6 +660,8 @@ static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg)
 		return true;
 	if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
 		return true;
+	if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
+		return true;
 	for (i = 0; i < v->rdma_channels; ++i) {
 		if (reg == LPAIF_HDMI_RDMACURR_REG(v, i))
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.

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2020-10-13 13:45 [PATCH] Asoc: qcom: lpass-cpu: Fix dp audio failure on monitors Srinivasa Rao Mandadapu

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