* [PATCH 1/2] input: Add RAVE SP Powerbutton driver
@ 2018-02-26 15:41 Andrey Smirnov
2018-02-26 15:41 ` [PATCH 2/2] dt-bindings: input: Add binding for RAVE SP input driver Andrey Smirnov
2018-02-28 4:59 ` [PATCH 1/2] input: Add RAVE SP Powerbutton driver Dmitry Torokhov
0 siblings, 2 replies; 4+ messages in thread
From: Andrey Smirnov @ 2018-02-26 15:41 UTC (permalink / raw)
To: Dmitry Torokhov
Cc: Andrey Smirnov, linux-input, linux-kernel, Rob Herring,
Mark Rutland, devicetree, Guenter Roeck, Chris Healy,
Lucas Stach
Add driver that properly handles input event emitted by RAVE SP
devices.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
drivers/input/misc/Kconfig | 9 ++++
drivers/input/misc/Makefile | 1 +
drivers/input/misc/rave-sp-pwrbutton.c | 92 ++++++++++++++++++++++++++++++++++
3 files changed, 102 insertions(+)
create mode 100644 drivers/input/misc/rave-sp-pwrbutton.c
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 62a1312a7387..6a3c753b093b 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -841,4 +841,13 @@ config INPUT_HISI_POWERKEY
To compile this driver as a module, choose M here: the
module will be called hisi_powerkey.
+config INPUT_RAVE_SP_PWRBUTTON
+ tristate "RAVE SP Power button Driver"
+ depends on RAVE_SP_CORE
+ help
+ Say Y here if you want to enable power key reporting from RAVE SP
+
+ To compile this driver as a module, choose M here: the
+ module will be called rave-sp-pwrbutton.
+
endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index a8f61af865aa..6ebeec1f4dd0 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -80,3 +80,4 @@ obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
obj-$(CONFIG_INPUT_XEN_KBDDEV_FRONTEND) += xen-kbdfront.o
obj-$(CONFIG_INPUT_YEALINK) += yealink.o
obj-$(CONFIG_INPUT_IDEAPAD_SLIDEBAR) += ideapad_slidebar.o
+obj-$(CONFIG_INPUT_RAVE_SP_PWRBUTTON) += rave-sp-pwrbutton.o
diff --git a/drivers/input/misc/rave-sp-pwrbutton.c b/drivers/input/misc/rave-sp-pwrbutton.c
new file mode 100644
index 000000000000..7511062c724b
--- /dev/null
+++ b/drivers/input/misc/rave-sp-pwrbutton.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/*
+ * Power Button driver for RAVE SP
+ *
+ * Copyright (C) 2017 Zodiac Inflight Innovations
+ *
+ */
+
+#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mfd/rave-sp.h>
+#include <linux/platform_device.h>
+
+#define RAVE_SP_EVNT_BUTTON_PRESS (RAVE_SP_EVNT_BASE + 0x00)
+
+struct rave_sp_power_button {
+ struct input_dev *idev;
+ struct notifier_block nb;
+};
+
+static int rave_sp_power_button_event(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct rave_sp_power_button *pb =
+ container_of(nb, struct rave_sp_power_button, nb);
+ const u8 event = rave_sp_action_unpack_event(action);
+ const u8 value = rave_sp_action_unpack_value(action);
+ struct input_dev *idev = pb->idev;
+
+ if (event == RAVE_SP_EVNT_BUTTON_PRESS) {
+ input_report_key(idev, KEY_POWER, value);
+ input_sync(idev);
+
+ return NOTIFY_STOP;
+ }
+
+ return NOTIFY_DONE;
+}
+
+static int rave_sp_pwrbutton_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct rave_sp_power_button *pb;
+ struct input_dev *idev;
+ int ret;
+
+ pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL);
+ if (!pb)
+ return -ENOMEM;
+
+ idev = devm_input_allocate_device(dev);
+ if (!idev)
+ return -ENOMEM;
+
+ idev->name = pdev->name;
+ idev->dev.parent = dev;
+
+ input_set_capability(idev, EV_KEY, KEY_POWER);
+
+ ret = input_register_device(idev);
+ if (ret)
+ return ret;
+
+ pb->idev = idev;
+ pb->nb.notifier_call = rave_sp_power_button_event;
+ pb->nb.priority = 128;
+
+ return devm_rave_sp_register_event_notifier(dev, &pb->nb);
+}
+
+static const struct of_device_id rave_sp_pwrbutton_of_match[] = {
+ { .compatible = "zii,rave-sp-pwrbutton" },
+ {}
+};
+
+static struct platform_driver rave_sp_pwrbutton_driver = {
+ .probe = rave_sp_pwrbutton_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .of_match_table = rave_sp_pwrbutton_of_match,
+ },
+};
+module_platform_driver(rave_sp_pwrbutton_driver);
+
+MODULE_DEVICE_TABLE(of, rave_sp_pwrbutton_of_match);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>");
+MODULE_AUTHOR("Nikita Yushchenko <nikita.yoush@cogentembedded.com>");
+MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>");
+MODULE_DESCRIPTION("RAVE SP Power Button driver");
--
2.14.3
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 2/2] dt-bindings: input: Add binding for RAVE SP input driver
2018-02-26 15:41 [PATCH 1/2] input: Add RAVE SP Powerbutton driver Andrey Smirnov
@ 2018-02-26 15:41 ` Andrey Smirnov
2018-02-28 4:59 ` [PATCH 1/2] input: Add RAVE SP Powerbutton driver Dmitry Torokhov
1 sibling, 0 replies; 4+ messages in thread
From: Andrey Smirnov @ 2018-02-26 15:41 UTC (permalink / raw)
To: Dmitry Torokhov
Cc: Andrey Smirnov, linux-input, linux-kernel, Rob Herring,
Mark Rutland, devicetree, Guenter Roeck, Chris Healy,
Lucas Stach
Add Device Tree bindings for RAVE SP input drvier - an MFD cell of
parent RAVE SP driver (documented in
Documentation/devicetree/bindings/mfd/zii,rave-sp.txt).
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
.../bindings/input/zii,rave-sp-pwrbutton.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt
diff --git a/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt
new file mode 100644
index 000000000000..e14e12d27772
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt
@@ -0,0 +1,24 @@
+Zodiac Inflight Innovations RAVE Supervisory Processor Power Button Bindings
+
+RAVE SP input device is a "MFD cell" device corresponding to power
+button functionality of RAVE Supervisory Processor. It is expected
+that its Device Tree node is specified as a child of the node
+corresponding to the parent RAVE SP device (as documented in
+Documentation/devicetree/bindings/mfd/zii,rave-sp.txt)
+
+Required properties:
+
+- compatible: Should be "zii,rave-sp-pwrbutton"
+
+Example:
+
+ rave-sp {
+ compatible = "zii,rave-sp-rdu1";
+ current-speed = <38400>;
+
+ pwrbutton {
+ compatible = "zii,rave-sp-pwrbutton";
+ status = "okay";
+ };
+ }
+
--
2.14.3
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] input: Add RAVE SP Powerbutton driver
2018-02-26 15:41 [PATCH 1/2] input: Add RAVE SP Powerbutton driver Andrey Smirnov
2018-02-26 15:41 ` [PATCH 2/2] dt-bindings: input: Add binding for RAVE SP input driver Andrey Smirnov
@ 2018-02-28 4:59 ` Dmitry Torokhov
2018-03-01 16:05 ` Andrey Smirnov
1 sibling, 1 reply; 4+ messages in thread
From: Dmitry Torokhov @ 2018-02-28 4:59 UTC (permalink / raw)
To: Andrey Smirnov
Cc: linux-input, linux-kernel, Rob Herring, Mark Rutland, devicetree,
Guenter Roeck, Chris Healy, Lucas Stach
Hi Andrey,
On Mon, Feb 26, 2018 at 07:41:29AM -0800, Andrey Smirnov wrote:
> Add driver that properly handles input event emitted by RAVE SP
> devices.
>
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: linux-input@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: devicetree@vger.kernel.org
> Cc: Guenter Roeck <linux@roeck-us.net>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> ---
> drivers/input/misc/Kconfig | 9 ++++
> drivers/input/misc/Makefile | 1 +
> drivers/input/misc/rave-sp-pwrbutton.c | 92 ++++++++++++++++++++++++++++++++++
> 3 files changed, 102 insertions(+)
> create mode 100644 drivers/input/misc/rave-sp-pwrbutton.c
>
> diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
> index 62a1312a7387..6a3c753b093b 100644
> --- a/drivers/input/misc/Kconfig
> +++ b/drivers/input/misc/Kconfig
> @@ -841,4 +841,13 @@ config INPUT_HISI_POWERKEY
> To compile this driver as a module, choose M here: the
> module will be called hisi_powerkey.
>
> +config INPUT_RAVE_SP_PWRBUTTON
> + tristate "RAVE SP Power button Driver"
> + depends on RAVE_SP_CORE
> + help
> + Say Y here if you want to enable power key reporting from RAVE SP
> +
> + To compile this driver as a module, choose M here: the
> + module will be called rave-sp-pwrbutton.
> +
> endif
> diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
> index a8f61af865aa..6ebeec1f4dd0 100644
> --- a/drivers/input/misc/Makefile
> +++ b/drivers/input/misc/Makefile
> @@ -80,3 +80,4 @@ obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
> obj-$(CONFIG_INPUT_XEN_KBDDEV_FRONTEND) += xen-kbdfront.o
> obj-$(CONFIG_INPUT_YEALINK) += yealink.o
> obj-$(CONFIG_INPUT_IDEAPAD_SLIDEBAR) += ideapad_slidebar.o
> +obj-$(CONFIG_INPUT_RAVE_SP_PWRBUTTON) += rave-sp-pwrbutton.o
Please put it in [somewhat] alphabetical order (even though ideapad is
out of order).
> diff --git a/drivers/input/misc/rave-sp-pwrbutton.c b/drivers/input/misc/rave-sp-pwrbutton.c
> new file mode 100644
> index 000000000000..7511062c724b
> --- /dev/null
> +++ b/drivers/input/misc/rave-sp-pwrbutton.c
> @@ -0,0 +1,92 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +
> +/*
> + * Power Button driver for RAVE SP
> + *
> + * Copyright (C) 2017 Zodiac Inflight Innovations
> + *
> + */
Let's keep SPDX and copyright in the same // comment block.
> +
> +#include <linux/input.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/mfd/rave-sp.h>
> +#include <linux/platform_device.h>
> +
> +#define RAVE_SP_EVNT_BUTTON_PRESS (RAVE_SP_EVNT_BASE + 0x00)
> +
> +struct rave_sp_power_button {
> + struct input_dev *idev;
> + struct notifier_block nb;
> +};
> +
> +static int rave_sp_power_button_event(struct notifier_block *nb,
> + unsigned long action, void *data)
> +{
> + struct rave_sp_power_button *pb =
> + container_of(nb, struct rave_sp_power_button, nb);
> + const u8 event = rave_sp_action_unpack_event(action);
> + const u8 value = rave_sp_action_unpack_value(action);
> + struct input_dev *idev = pb->idev;
> +
> + if (event == RAVE_SP_EVNT_BUTTON_PRESS) {
> + input_report_key(idev, KEY_POWER, value);
> + input_sync(idev);
> +
> + return NOTIFY_STOP;
> + }
> +
> + return NOTIFY_DONE;
> +}
> +
> +static int rave_sp_pwrbutton_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct rave_sp_power_button *pb;
> + struct input_dev *idev;
> + int ret;
> +
> + pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL);
> + if (!pb)
> + return -ENOMEM;
> +
> + idev = devm_input_allocate_device(dev);
> + if (!idev)
> + return -ENOMEM;
> +
> + idev->name = pdev->name;
> + idev->dev.parent = dev;
Not needed - done by devm_input_allocate_device().
> +
> + input_set_capability(idev, EV_KEY, KEY_POWER);
> +
> + ret = input_register_device(idev);
> + if (ret)
> + return ret;
Please call this "error".
> +
> + pb->idev = idev;
> + pb->nb.notifier_call = rave_sp_power_button_event;
> + pb->nb.priority = 128;
> +
> + return devm_rave_sp_register_event_notifier(dev, &pb->nb);
Prefer
error = devm_rave...();
if (error)
return error;
return 0;
> +}
> +
> +static const struct of_device_id rave_sp_pwrbutton_of_match[] = {
> + { .compatible = "zii,rave-sp-pwrbutton" },
> + {}
> +};
> +
> +static struct platform_driver rave_sp_pwrbutton_driver = {
> + .probe = rave_sp_pwrbutton_probe,
> + .driver = {
> + .name = KBUILD_MODNAME,
> + .of_match_table = rave_sp_pwrbutton_of_match,
> + },
> +};
> +module_platform_driver(rave_sp_pwrbutton_driver);
> +
> +MODULE_DEVICE_TABLE(of, rave_sp_pwrbutton_of_match);
> +MODULE_LICENSE("GPL");
> +MODULE_AUTHOR("Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>");
> +MODULE_AUTHOR("Nikita Yushchenko <nikita.yoush@cogentembedded.com>");
> +MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>");
> +MODULE_DESCRIPTION("RAVE SP Power Button driver");
> --
> 2.14.3
>
--
Dmitry
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] input: Add RAVE SP Powerbutton driver
2018-02-28 4:59 ` [PATCH 1/2] input: Add RAVE SP Powerbutton driver Dmitry Torokhov
@ 2018-03-01 16:05 ` Andrey Smirnov
0 siblings, 0 replies; 4+ messages in thread
From: Andrey Smirnov @ 2018-03-01 16:05 UTC (permalink / raw)
To: Dmitry Torokhov
Cc: linux-input, linux-kernel, Rob Herring, Mark Rutland,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
Guenter Roeck, Chris Healy, Lucas Stach
On Tue, Feb 27, 2018 at 8:59 PM, Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
> Hi Andrey,
>
> On Mon, Feb 26, 2018 at 07:41:29AM -0800, Andrey Smirnov wrote:
>> Add driver that properly handles input event emitted by RAVE SP
>> devices.
>>
>> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
>> Cc: linux-input@vger.kernel.org
>> Cc: linux-kernel@vger.kernel.org
>> Cc: Rob Herring <robh+dt@kernel.org>
>> Cc: Mark Rutland <mark.rutland@arm.com>
>> Cc: devicetree@vger.kernel.org
>> Cc: Guenter Roeck <linux@roeck-us.net>
>> Cc: Chris Healy <cphealy@gmail.com>
>> Cc: Lucas Stach <l.stach@pengutronix.de>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
>> ---
>> drivers/input/misc/Kconfig | 9 ++++
>> drivers/input/misc/Makefile | 1 +
>> drivers/input/misc/rave-sp-pwrbutton.c | 92 ++++++++++++++++++++++++++++++++++
>> 3 files changed, 102 insertions(+)
>> create mode 100644 drivers/input/misc/rave-sp-pwrbutton.c
>>
>> diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
>> index 62a1312a7387..6a3c753b093b 100644
>> --- a/drivers/input/misc/Kconfig
>> +++ b/drivers/input/misc/Kconfig
>> @@ -841,4 +841,13 @@ config INPUT_HISI_POWERKEY
>> To compile this driver as a module, choose M here: the
>> module will be called hisi_powerkey.
>>
>> +config INPUT_RAVE_SP_PWRBUTTON
>> + tristate "RAVE SP Power button Driver"
>> + depends on RAVE_SP_CORE
>> + help
>> + Say Y here if you want to enable power key reporting from RAVE SP
>> +
>> + To compile this driver as a module, choose M here: the
>> + module will be called rave-sp-pwrbutton.
>> +
>> endif
>> diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
>> index a8f61af865aa..6ebeec1f4dd0 100644
>> --- a/drivers/input/misc/Makefile
>> +++ b/drivers/input/misc/Makefile
>> @@ -80,3 +80,4 @@ obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
>> obj-$(CONFIG_INPUT_XEN_KBDDEV_FRONTEND) += xen-kbdfront.o
>> obj-$(CONFIG_INPUT_YEALINK) += yealink.o
>> obj-$(CONFIG_INPUT_IDEAPAD_SLIDEBAR) += ideapad_slidebar.o
>> +obj-$(CONFIG_INPUT_RAVE_SP_PWRBUTTON) += rave-sp-pwrbutton.o
>
> Please put it in [somewhat] alphabetical order (even though ideapad is
> out of order).
>
OK, will do in v2.
>
>> diff --git a/drivers/input/misc/rave-sp-pwrbutton.c b/drivers/input/misc/rave-sp-pwrbutton.c
>> new file mode 100644
>> index 000000000000..7511062c724b
>> --- /dev/null
>> +++ b/drivers/input/misc/rave-sp-pwrbutton.c
>> @@ -0,0 +1,92 @@
>> +// SPDX-License-Identifier: GPL-2.0+
>> +
>> +/*
>> + * Power Button driver for RAVE SP
>> + *
>> + * Copyright (C) 2017 Zodiac Inflight Innovations
>> + *
>> + */
>
> Let's keep SPDX and copyright in the same // comment block.
>
This goes against kernel coding style, but sure.
>> +
>> +#include <linux/input.h>
>> +#include <linux/kernel.h>
>> +#include <linux/module.h>
>> +#include <linux/mfd/rave-sp.h>
>> +#include <linux/platform_device.h>
>> +
>> +#define RAVE_SP_EVNT_BUTTON_PRESS (RAVE_SP_EVNT_BASE + 0x00)
>> +
>> +struct rave_sp_power_button {
>> + struct input_dev *idev;
>> + struct notifier_block nb;
>> +};
>> +
>> +static int rave_sp_power_button_event(struct notifier_block *nb,
>> + unsigned long action, void *data)
>> +{
>> + struct rave_sp_power_button *pb =
>> + container_of(nb, struct rave_sp_power_button, nb);
>> + const u8 event = rave_sp_action_unpack_event(action);
>> + const u8 value = rave_sp_action_unpack_value(action);
>> + struct input_dev *idev = pb->idev;
>> +
>> + if (event == RAVE_SP_EVNT_BUTTON_PRESS) {
>> + input_report_key(idev, KEY_POWER, value);
>> + input_sync(idev);
>> +
>> + return NOTIFY_STOP;
>> + }
>> +
>> + return NOTIFY_DONE;
>> +}
>> +
>> +static int rave_sp_pwrbutton_probe(struct platform_device *pdev)
>> +{
>> + struct device *dev = &pdev->dev;
>> + struct rave_sp_power_button *pb;
>> + struct input_dev *idev;
>> + int ret;
>> +
>> + pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL);
>> + if (!pb)
>> + return -ENOMEM;
>> +
>> + idev = devm_input_allocate_device(dev);
>> + if (!idev)
>> + return -ENOMEM;
>> +
>> + idev->name = pdev->name;
>> + idev->dev.parent = dev;
>
> Not needed - done by devm_input_allocate_device().
>
Good point, will remove.
>> +
>> + input_set_capability(idev, EV_KEY, KEY_POWER);
>> +
>> + ret = input_register_device(idev);
>> + if (ret)
>> + return ret;
>
> Please call this "error".
Sure, will do.
>
>> +
>> + pb->idev = idev;
>> + pb->nb.notifier_call = rave_sp_power_button_event;
>> + pb->nb.priority = 128;
>> +
>> + return devm_rave_sp_register_event_notifier(dev, &pb->nb);
>
> Prefer
>
> error = devm_rave...();
> if (error)
> return error;
>
> return 0;
>
OK, will do in v2.
Thanks,
Andrey Smirnov
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2018-03-01 16:05 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2018-02-26 15:41 [PATCH 1/2] input: Add RAVE SP Powerbutton driver Andrey Smirnov
2018-02-26 15:41 ` [PATCH 2/2] dt-bindings: input: Add binding for RAVE SP input driver Andrey Smirnov
2018-02-28 4:59 ` [PATCH 1/2] input: Add RAVE SP Powerbutton driver Dmitry Torokhov
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