On 20/08/11 19:33, Mark Brown wrote:

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: Mark Brown broonie@opensource.wolfsonmicro.com

sound/soc/codecs/wm8996.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c index d3277d1..73a1588 100644 --- a/sound/soc/codecs/wm8996.c +++ b/sound/soc/codecs/wm8996.c @@ -2416,6 +2416,9 @@ 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)) {

@@ -2434,10 +2437,7 @@ 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)

Acked-by: Liam Girdwood lrg@ti.com