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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-02-06 15:28:15 +0100
committerSamuel Ortiz <samuel@sortiz.org>2009-02-17 09:00:14 +0100
commit2f161f4485535df85451a8cfdf2487c315f665f5 (patch)
tree064d50869d0a73aa8e11b72c54d9350dd67e781c /drivers/mfd
parent9427c34bc72f05b519e8466f27c38a3327bae157 (diff)
downloadop-kernel-dev-2f161f4485535df85451a8cfdf2487c315f665f5.zip
op-kernel-dev-2f161f4485535df85451a8cfdf2487c315f665f5.tar.gz
mfd: Ensure all WM8350 IRQs are masked at startup
The IRQs might have been left enabled in hardware, generating spurious IRQs before the drivers have registered. 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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index ea38018..84d5ea1 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1419,6 +1419,13 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
return ret;
}
+ wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF);
+ wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF);
+
mutex_init(&wm8350->auxadc_mutex);
mutex_init(&wm8350->irq_mutex);
INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
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