diff options
| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-02-06 15:27:13 +0100 |
|---|---|---|
| committer |   Samuel Ortiz <samuel@sortiz.org> | 2009-04-05 00:32:20 +0200 |
| commit | 3206450355100eae8e033645318b95bb60f1faff (patch) | |
| tree | c24ba036ef75df55dbbe8ad41f88a29efa955c09 /drivers/mfd | |
| parent | mfd: Use bulk read to fill WM8350 register cache (diff) | |
| download | linux-dev-3206450355100eae8e033645318b95bb60f1faff.tar.xz linux-dev-3206450355100eae8e033645318b95bb60f1faff.zip | |
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.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index f22b18b70796..a285cc0cc704 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", |