Commit 2fde6e80 authored by Mark Brown's avatar Mark Brown

ASoC: Optimise WM8996 no interrupt path

This occurs frequently if we are in edge triggered mode as we must poll the
interrupt status register until we get no more interrupts so it's worth
the effort - it means we skip writing null acknowledgements to the chip.
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@ti.com>
parent 889c85c5
......@@ -2408,6 +2408,9 @@ static irqreturn_t wm8996_irq(int irq, void *data)
}
irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
if (!irq_val)
return IRQ_NONE;
snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
......@@ -2426,10 +2429,7 @@ static irqreturn_t wm8996_irq(int irq, void *data)
if (irq_val & WM8996_MICD_EINT)
wm8996_micd(codec);
if (irq_val)
return IRQ_HANDLED;
else
return IRQ_NONE;
return IRQ_HANDLED;
}
static irqreturn_t wm8996_edge_irq(int irq, void *data)
......
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