ASoC: Report IRQ_NONE when we don't see an interrupt from WM8962

This should never happen with level triggered IRQs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 75e7840536037e4a1c28d9fdffdead038291cb00..add07fff449501721ad37116a5731e7c25d5d800 100644 (file)
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3570,6 +3570,9 @@ 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);