[alsa-devel] [PATCH] ASoC: Report IRQ_NONE when we don't see an interrupt from WM8962

[Liam Girdwood]

On 21/08/11 12:58, Mark Brown wrote:
> This should never happen with level triggered IRQs.
> 
> Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
> ---
>  sound/soc/codecs/wm8962.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
> index 0c61c2f..b877fa9 100644
> --- a/sound/soc/codecs/wm8962.c
> +++ b/sound/soc/codecs/wm8962.c
> @@ -3577,6 +3577,9 @@ static irqreturn_t wm8962_irq(int irq, void *data)
>  	active = snd_soc_read(codec, WM8962_INTERRUPT_STATUS_2);
>  	active &= ~mask;
>  
> +	if (!active)
> +		return IRQ_NONE;
> +
>  	/* Acknowledge the interrupts */
>  	snd_soc_write(codec, WM8962_INTERRUPT_STATUS_2, active);
>  

Acked-by: Liam Girdwood <lrg at ti.com>