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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-02-06 15:27:13 +0100
committerSamuel Ortiz <samuel@sortiz.org>2009-04-05 00:32:20 +0200
commit3206450355100eae8e033645318b95bb60f1faff (patch)
treec24ba036ef75df55dbbe8ad41f88a29efa955c09 /drivers/mfd
parent9dfd338198bec67ebc82ed363078f9d8aa74ec3e (diff)
downloadop-kernel-dev-3206450355100eae8e033645318b95bb60f1faff.zip
op-kernel-dev-3206450355100eae8e033645318b95bb60f1faff.tar.gz
mfd: Support active high IRQs on WM835x
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/wm8350-core.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index f22b18b..a285cc0 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1438,7 +1438,21 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
mutex_init(&wm8350->irq_mutex);
INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
if (irq) {
- ret = request_irq(irq, wm8350_irq, 0,
+ int flags = 0;
+
+ if (pdata && pdata->irq_high) {
+ flags |= IRQF_TRIGGER_HIGH;
+
+ wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
+ WM8350_IRQ_POL);
+ } else {
+ flags |= IRQF_TRIGGER_LOW;
+
+ wm8350_clear_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
+ WM8350_IRQ_POL);
+ }
+
+ ret = request_irq(irq, wm8350_irq, flags,
"wm8350", wm8350);
if (ret != 0) {
dev_err(wm8350->dev, "Failed to request IRQ: %d\n",
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