[alsa-devel] [PATCH 02/15] ASoC: twl6040: Modify the IRQ handler

Olaya, Margarita magi.olaya at ti.com
Tue Dec 7 01:17:44 CET 2010


Multiples interrupts can be received. The irq handler is modified
to attend all of them.

Signed-off-by: Margarita Olaya Cabrera <magi.olaya at ti.com>
---
 sound/soc/codecs/twl6040.c |   30 +++++++++++++-----------------
 1 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 59018b3..e908146 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -398,27 +398,23 @@ static irqreturn_t twl6040_naudint_handler(int irq, void *data)
 
 	twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID);
 
-	switch (intid) {
-	case TWL6040_THINT:
+	if (intid & TWL6040_THINT)
 		dev_alert(codec->dev, "die temp over-limit detection\n");
-		break;
-	case TWL6040_PLUGINT:
-	case TWL6040_UNPLUGINT:
-	case TWL6040_HOOKINT:
-		break;
-	case TWL6040_HFINT:
+
+	if (intid & TWL6040_PLUGINT)
+		dev_alert(codec->dev, "headset plug detection\n");
+
+	if (intid & TWL6040_UNPLUGINT)
+		dev_alert(codec->dev, "headset unplug detection\n");
+
+	if (intid & TWL6040_HFINT)
 		dev_alert(codec->dev, "hf drivers over current detection\n");
-		break;
-	case TWL6040_VIBINT:
+
+	if (intid & TWL6040_VIBINT)
 		dev_alert(codec->dev, "vib drivers over current detection\n");
-		break;
-	case TWL6040_READYINT:
+
+	if (intid & TWL6040_READYINT)
 		complete(&priv->ready);
-		break;
-	default:
-		dev_err(codec->dev, "unknown audio interrupt %d\n", intid);
-		break;
-	}
 
 	return IRQ_HANDLED;
 }
-- 
1.7.0.4


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