diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-01-05 18:56:01 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2011-01-14 12:38:17 +0100 |
| commit | 180e4f5f20ef2b03ce2b38634274dde5ccbd8951 (patch) | |
| tree | dc2d3b446da046195e9484fcf2ff5da4ed673f05 /drivers/mfd | |
| parent | mfd: Convert WM831x away from legacy I2C PM operations (diff) | |
| download | linux-180e4f5f20ef2b03ce2b38634274dde5ccbd8951.tar.xz linux-180e4f5f20ef2b03ce2b38634274dde5ccbd8951.zip | |
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>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | 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 ee88f6a05cec..f7192d438aab 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; |