[PATCH v2] ASoC: qcom: lpass-platform: Reset irq clear reg post handling interrupts

From: Srinivasa Rao Mandadapu
Date: Wed Sep 08 2021 - 10:25:58 EST


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@xxxxxxxxxxxxxx>
---
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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