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author | Hans de Goede <hdegoede@redhat.com> | 2017-06-14 17:30:36 +0200 |
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committer | Hans de Goede <hdegoede@redhat.com> | 2017-06-23 10:59:39 +0200 |
commit | 88f3771491aa5e04aeb32607a30aaa632158e961 (patch) | |
tree | 6cd01958277a7f55962a826fd7a6d72d1c5454f7 /0006-Input-axp20x-pek-Add-wakeup-support.patch | |
parent | 6b98e5e530e3b2c55e00df68c9537ac767058da5 (diff) | |
download | kernel-88f3771491aa5e04aeb32607a30aaa632158e961.tar.gz kernel-88f3771491aa5e04aeb32607a30aaa632158e961.tar.xz kernel-88f3771491aa5e04aeb32607a30aaa632158e961.zip |
Improve Bay and Cherry Trail device support
- Enable AXP288 PMIC support on x86_64 for battery charging and monitoring
support on Bay and Cherry Trail tablets and laptops
- Enable various drivers for peripherals found on Bay and Cherry Trail tablets
- Add some small patches fixing suspend/resume touchscreen and accelerometer
issues on various Bay and Cherry Trail tablets
Diffstat (limited to '0006-Input-axp20x-pek-Add-wakeup-support.patch')
-rw-r--r-- | 0006-Input-axp20x-pek-Add-wakeup-support.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/0006-Input-axp20x-pek-Add-wakeup-support.patch b/0006-Input-axp20x-pek-Add-wakeup-support.patch new file mode 100644 index 000000000..1ec9659bd --- /dev/null +++ b/0006-Input-axp20x-pek-Add-wakeup-support.patch @@ -0,0 +1,67 @@ +From fbac4c05ec1d7c2d949f50baf1e934cbfbb6a494 Mon Sep 17 00:00:00 2001 +From: Hans de Goede <hdegoede@redhat.com> +Date: Mon, 17 Apr 2017 22:06:25 +0200 +Subject: [PATCH 06/16] 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> +--- + drivers/input/misc/axp20x-pek.c | 28 ++++++++++++++++++++++++++++ + 1 file changed, 28 insertions(+) + +diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c +index 400869e61a06..5f16fceaae83 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; + } + +@@ -331,10 +334,35 @@ 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; ++} ++ ++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); +-- +2.13.0 + |