[PATCH] ASoC: qcom: lpass-platform: Reset irq clear reg post handling interrupts

Srinivasa Rao Mandadapu srivasam at codeaurora.org
Fri Sep 3 12:01:53 CEST 2021


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.

Signed-off-by: Srinivasa Rao Mandadapu <srivasam at codeaurora.org>
---
 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;
 }
 
-- 
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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