diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2017-06-02 17:51:42 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-06-02 17:54:28 -0700 |
| commit | 58be76896786b512e97cb743ec271648623a7107 (patch) | |
| tree | 5b56c601ce5eb4f86d0388ee183944d5b82dc229 /drivers/input | |
| parent | 49bbbfa8d27a227521a9e07cb1612f60e8f0e8ff (diff) | |
Input: axp20x-pek - add wakeup support
At least on devices with the AXP288 PMIC the device is expected to
wakeup from suspend when the power-button gets pressed, add support
for this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/misc/axp20x-pek.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c index f11807db6979..d3e9ce27a2be 100644 --- a/drivers/input/misc/axp20x-pek.c +++ b/drivers/input/misc/axp20x-pek.c @@ -253,6 +253,9 @@ static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek, return error; } + if (axp20x_pek->axp20x->variant == AXP288_ID) + enable_irq_wake(axp20x_pek->irq_dbr); + return 0; } @@ -301,10 +304,35 @@ static int axp20x_pek_probe(struct platform_device *pdev) return 0; } +static int __maybe_unused axp20x_pek_resume_noirq(struct device *dev) +{ + struct axp20x_pek *axp20x_pek = dev_get_drvdata(dev); + + if (axp20x_pek->axp20x->variant != AXP288_ID) + return 0; + + /* + * Clear interrupts from button presses during suspend, to avoid + * a wakeup power-button press getting reported to userspace. + */ + regmap_write(axp20x_pek->axp20x->regmap, + AXP20X_IRQ1_STATE + AXP288_IRQ_POKN / 8, + BIT(AXP288_IRQ_POKN % 8)); + + return 0; +} + +static const struct dev_pm_ops axp20x_pek_pm_ops = { +#ifdef CONFIG_PM_SLEEP + .resume_noirq = axp20x_pek_resume_noirq, +#endif +}; + static struct platform_driver axp20x_pek_driver = { .probe = axp20x_pek_probe, .driver = { .name = "axp20x-pek", + .pm = &axp20x_pek_pm_ops, }, }; module_platform_driver(axp20x_pek_driver); |