From: Tim Crawford <tcrawford@system76.com>
To: platform-driver-x86@vger.kernel.org
Cc: productdev@system76.com, Jeremy Soller <jeremy@system76.com>
Subject: [PATCH v2 2/3] platform/x86: system76_acpi: Replace Fn+F2 function for OLED models
Date: Tue, 28 Sep 2021 16:15:28 -0600 [thread overview]
Message-ID: <20210928221529.70176-3-tcrawford@system76.com> (raw)
In-Reply-To: <20210928221529.70176-1-tcrawford@system76.com>
From: Jeremy Soller <jeremy@system76.com>
System76 laptops models with OLED displays do not support the default
Fn+F2 behavior of turning the embedded display on and off. Some models
instead introduce a new notify event that is used to lock the screen so
the OS will put the display in a low power state.
Signed-off-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
---
drivers/platform/x86/system76_acpi.c | 30 ++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/platform/x86/system76_acpi.c b/drivers/platform/x86/system76_acpi.c
index 11f0e42386ba..e7c86b543930 100644
--- a/drivers/platform/x86/system76_acpi.c
+++ b/drivers/platform/x86/system76_acpi.c
@@ -13,6 +13,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/init.h>
+#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/module.h>
@@ -29,6 +30,7 @@ struct system76_data {
struct device *therm;
union acpi_object *nfan;
union acpi_object *ntmp;
+ struct input_dev *input;
};
static const struct acpi_device_id device_ids[] = {
@@ -430,6 +432,15 @@ static const struct hwmon_chip_info thermal_chip_info = {
.info = thermal_channel_info,
};
+static void input_key(struct system76_data *data, unsigned int code)
+{
+ input_report_key(data->input, code, 1);
+ input_sync(data->input);
+
+ input_report_key(data->input, code, 0);
+ input_sync(data->input);
+}
+
// Handle ACPI notification
static void system76_notify(struct acpi_device *acpi_dev, u32 event)
{
@@ -452,6 +463,9 @@ static void system76_notify(struct acpi_device *acpi_dev, u32 event)
case 0x84:
kb_led_hotkey_color(data);
break;
+ case 0x85:
+ input_key(data, KEY_SCREENLOCK);
+ break;
}
}
@@ -514,6 +528,22 @@ static int system76_add(struct acpi_device *acpi_dev)
if (IS_ERR(data->therm))
return PTR_ERR(data->therm);
+ data->input = devm_input_allocate_device(&acpi_dev->dev);
+ if (!data->input)
+ return -ENOMEM;
+
+ data->input->name = "System76 ACPI Hotkeys";
+ data->input->phys = "system76_acpi/input0";
+ data->input->id.bustype = BUS_HOST;
+ data->input->dev.parent = &acpi_dev->dev;
+ input_set_capability(data->input, EV_KEY, KEY_SCREENLOCK);
+
+ err = input_register_device(data->input);
+ if (err) {
+ input_free_device(data->input);
+ return err;
+ }
+
return 0;
}
--
2.31.1
next prev parent reply other threads:[~2021-09-28 22:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 21:06 [PATCH 0/3] platform/x86: system76_acpi: Sync DKMS module changes Tim Crawford
2021-09-27 21:06 ` [PATCH 1/3] platform/x86: system76_acpi: Report temperature and fan speed Tim Crawford
2021-09-27 21:06 ` [PATCH 2/3] platform/x86: system76_acpi: Replace Fn+F2 function for OLED models Tim Crawford
2021-09-28 16:40 ` Barnabás Pőcze
2021-09-27 21:06 ` [PATCH 3/3] platform/x86: system76_acpi: Add battery charging thresholds Tim Crawford
2021-09-28 16:38 ` Barnabás Pőcze
2021-09-28 22:15 ` [PATCH v2 0/3] platform/x86: system76_acpi: Sync DKMS module changes Tim Crawford
2021-09-28 22:15 ` [PATCH v2 1/3] platform/x86: system76_acpi: Report temperature and fan speed Tim Crawford
2021-09-28 22:15 ` Tim Crawford [this message]
2021-09-28 22:15 ` [PATCH v2 3/3] platform/x86: system76_acpi: Add battery charging thresholds Tim Crawford
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