pmaports/device/testing/linux-valve-jupiter/0008-hwmon-steamdeck-hwmon-Add-support-for-max-battery-le.patch
Clayton Craft d6f7c933bb
linux-valve-jupiter: upgrade to 6.10-rc5 (MR 5297)
Patches were rebased, sadly nothing was dropped :(

All kconfig changes are from simply running `kconfig migrate` and
accepting all defaults when prompted
[ci:skip-build]: already built successfully in CI
2024-06-29 15:42:43 -07:00

108 lines
3.2 KiB
Diff

From 4379f5bd26d8068d5dcbddfefc566c655dbe4080 Mon Sep 17 00:00:00 2001
From: Andrey Smirnov <andrew.smirnov@gmail.com>
Date: Sat, 15 Jul 2023 12:58:54 -0700
Subject: [PATCH 08/21] hwmon: steamdeck-hwmon: Add support for max battery
level/rate
Add support for max battery level/charge rate attributes.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
(cherry picked from commit 50af83e8fd75dc52221edd3fb6fd7a7f70c4d8a4)
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
drivers/hwmon/steamdeck-hwmon.c | 72 ++++++++++++++++++++++++++++++++-
1 file changed, 71 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/steamdeck-hwmon.c b/drivers/hwmon/steamdeck-hwmon.c
index fab9e9460bd4..9d0a5471b181 100644
--- a/drivers/hwmon/steamdeck-hwmon.c
+++ b/drivers/hwmon/steamdeck-hwmon.c
@@ -180,6 +180,76 @@ static const struct hwmon_chip_info steamdeck_hwmon_chip_info = {
.info = steamdeck_hwmon_info,
};
+
+static ssize_t
+steamdeck_hwmon_simple_store(struct device *dev, const char *buf, size_t count,
+ const char *method,
+ unsigned long upper_limit)
+{
+ struct steamdeck_hwmon *sd = dev_get_drvdata(dev);
+ unsigned long value;
+
+ if (kstrtoul(buf, 10, &value) || value >= upper_limit)
+ return -EINVAL;
+
+ if (ACPI_FAILURE(acpi_execute_simple_method(sd->adev->handle,
+ (char *)method, value)))
+ return -EIO;
+
+ return count;
+}
+
+static ssize_t
+steamdeck_hwmon_simple_show(struct device *dev, char *buf,
+ const char *method)
+{
+ struct steamdeck_hwmon *sd = dev_get_drvdata(dev);
+ unsigned long value;
+
+ value = steamdeck_hwmon_get(sd, method);
+ if (value < 0)
+ return value;
+
+ return sprintf(buf, "%ld\n", value);
+}
+
+#define STEAMDECK_HWMON_ATTR_RW(_name, _set_method, _get_method, \
+ _upper_limit) \
+ static ssize_t _name##_show(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
+ { \
+ return steamdeck_hwmon_simple_show(dev, buf, \
+ _get_method); \
+ } \
+ static ssize_t _name##_store(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
+ { \
+ return steamdeck_hwmon_simple_store(dev, buf, count, \
+ _set_method, \
+ _upper_limit); \
+ } \
+ static DEVICE_ATTR_RW(_name)
+
+STEAMDECK_HWMON_ATTR_RW(max_battery_charge_level, "FCBL", "SFBL", 101);
+STEAMDECK_HWMON_ATTR_RW(max_battery_charge_rate, "CHGR", "GCHR", 101);
+
+static struct attribute *steamdeck_hwmon_attributes[] = {
+ &dev_attr_max_battery_charge_level.attr,
+ &dev_attr_max_battery_charge_rate.attr,
+ NULL
+};
+
+static const struct attribute_group steamdeck_hwmon_group = {
+ .attrs = steamdeck_hwmon_attributes,
+};
+
+static const struct attribute_group *steamdeck_hwmon_groups[] = {
+ &steamdeck_hwmon_group,
+ NULL
+};
+
static int steamdeck_hwmon_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -195,7 +265,7 @@ static int steamdeck_hwmon_probe(struct platform_device *pdev)
"steamdeck_hwmon",
sd,
&steamdeck_hwmon_chip_info,
- NULL);
+ steamdeck_hwmon_groups);
if (IS_ERR(hwmon)) {
dev_err(dev, "Failed to register HWMON device");
return PTR_ERR(hwmon);
--
2.45.2