Quoting Srinivasa Rao Mandadapu (2021-09-03 03:01:53)
> 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@xxxxxxxxxxxxxx>
> ---
Any 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;
I was thinking we should return IRQ_HANDLED still, but then I guess
failing to clear the irq be treated as a spurious irq so that if we fail
enough times we'll shut off the irq at the irqchip. Things are going bad
if the write fails.
> + }
> +
> return IRQ_HANDLED;
> }
>
