Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH] mfd: Flag WM831x /IRQ as a wake source | Date | Wed, 5 Jan 2011 17:56:01 +0000 |
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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> --- drivers/mfd/wm831x-irq.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c index ee88f6a..f7192d4 100644 --- a/drivers/mfd/wm831x-irq.c +++ b/drivers/mfd/wm831x-irq.c @@ -517,6 +517,17 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq) return 0; } + /* Try to flag /IRQ as a wake source; there are a number of + * unconditional wake sources in the PMIC so this isn't + * conditional but we don't actually care *too* much if it + * fails. + */ + ret = enable_irq_wake(irq); + if (ret != 0) { + dev_warn(wm831x->dev, "Can't enable IRQ as wake source: %d\n", + ret); + } + wm831x->irq = irq; wm831x->irq_base = pdata->irq_base; -- 1.7.2.3
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