ASoC: wm8996: Remove spurious IRQF_ONESHOT flag

This reverts ed043aebe6ec ("ASoC: wm8996: Pass the IRQF_ONESHOT flag").

The coccinelle warnings is false positive because the original code does
set IRQF_ONESHOT by "trigger |= IRQF_ONESHOT;".

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 3dd063f..370459f 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -2647,12 +2647,10 @@
 		if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
 			ret = request_threaded_irq(i2c->irq, NULL,
 						   wm8996_edge_irq,
-						   irq_flags | IRQF_ONESHOT,
-						   "wm8996", codec);
+						   irq_flags, "wm8996", codec);
 		else
 			ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
-						   irq_flags | IRQF_ONESHOT,
-						   "wm8996", codec);
+						   irq_flags, "wm8996", codec);
 
 		if (ret == 0) {
 			/* Unmask the interrupt */