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From:   Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
To:     agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com,
        broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org,
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        linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        swboyd@chromium.org, judyhsiao@chromium.org
Cc:     Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Subject: [PATCH v2] ASoC: qcom: lpass-platform: Reset irq clear reg post handling interrupts
Date:   Wed,  8 Sep 2021 19:55:35 +0530
Message-Id: <20210908142535.31106-1-srivasam@codeaurora.org>
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Update interrupt clear register with reset value after addressing
all interrupts. This is to fix playback or capture hanging issue in
simultaneous playback and capture usecase.

Fixes: 4f629e4b8705f ("ASoC: qcom: Add ability to handle interrupts per dma channel")

Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
---
Changes since v1:
    -- Update comments Header information with fixes tag

 sound/soc/qcom/lpass-platform.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index f9df76d37858..1a0a4b0b1a03 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -749,6 +749,12 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
 		}
 	}
 
+	rv = regmap_write(drvdata->lpaif_map, LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST), 0x0);
+	if (rv) {
+		pr_err("error writing to irqstat reg: %d\n", rv);
+		return IRQ_NONE;
+	}
+
 	return IRQ_HANDLED;
 }
 
-- 
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