mfd: Flag WM831x /IRQ as a wake source
The WM831x can generate wake events, some unconditionally, so flag the primary IRQ as a wake source in order to help the CPU treat the /IRQ signal appropriately. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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@ -517,6 +517,17 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
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return 0;
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}
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/* Try to flag /IRQ as a wake source; there are a number of
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* unconditional wake sources in the PMIC so this isn't
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* conditional but we don't actually care *too* much if it
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* fails.
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*/
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ret = enable_irq_wake(irq);
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if (ret != 0) {
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dev_warn(wm831x->dev, "Can't enable IRQ as wake source: %d\n",
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ret);
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}
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wm831x->irq = irq;
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wm831x->irq_base = pdata->irq_base;
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