linux-kernel - [PATCH v3 2/2] platform/x86: thinkpad_acpi: use standard charge control attribute names

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Date:   Mon,  3 Feb 2020 13:01:32 +0100
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>
Cc:     ibm-acpi-devel@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v3 2/2] platform/x86: thinkpad_acpi: use standard charge control attribute names

The standard attributes were only introduced after the ones from
thinkpad_acpi in commit 813cab8f3994 ("power: supply: core:
Add CHARGE_CONTROL_{START_THRESHOLD,END_THRESHOLD} properties").

The new standard attributes are aliased to their previous names,
preserving backwards compatibility.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/platform/x86/thinkpad_acpi.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 2d3a99e3efb7..2cbcd2e3092f 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -9608,38 +9608,52 @@ static ssize_t tpacpi_battery_show(int what,
 	return sprintf(buf, "%d\n", ret);
 }
 
-static ssize_t charge_start_threshold_show(struct device *device,
+static ssize_t charge_control_start_threshold_show(struct device *device,
 				struct device_attribute *attr,
 				char *buf)
 {
 	return tpacpi_battery_show(THRESHOLD_START, device, buf);
 }
 
-static ssize_t charge_stop_threshold_show(struct device *device,
+static ssize_t charge_control_end_threshold_show(struct device *device,
 				struct device_attribute *attr,
 				char *buf)
 {
 	return tpacpi_battery_show(THRESHOLD_STOP, device, buf);
 }
 
-static ssize_t charge_start_threshold_store(struct device *dev,
+static ssize_t charge_control_start_threshold_store(struct device *dev,
 				struct device_attribute *attr,
 				const char *buf, size_t count)
 {
 	return tpacpi_battery_store(THRESHOLD_START, dev, buf, count);
 }
 
-static ssize_t charge_stop_threshold_store(struct device *dev,
+static ssize_t charge_control_end_threshold_store(struct device *dev,
 				struct device_attribute *attr,
 				const char *buf, size_t count)
 {
 	return tpacpi_battery_store(THRESHOLD_STOP, dev, buf, count);
 }
 
-static DEVICE_ATTR_RW(charge_start_threshold);
-static DEVICE_ATTR_RW(charge_stop_threshold);
+static DEVICE_ATTR_RW(charge_control_start_threshold);
+static DEVICE_ATTR_RW(charge_control_end_threshold);
+struct device_attribute dev_attr_charge_start_threshold = __ATTR(
+	charge_start_threshold,
+	0644,
+	charge_control_start_threshold_show,
+	charge_control_start_threshold_store
+);
+struct device_attribute dev_attr_charge_stop_threshold = __ATTR(
+	charge_stop_threshold,
+	0644,
+	charge_control_end_threshold_show,
+	charge_control_end_threshold_store
+);
 
 static struct attribute *tpacpi_battery_attrs[] = {
+	&dev_attr_charge_control_start_threshold.attr,
+	&dev_attr_charge_control_end_threshold.attr,
 	&dev_attr_charge_start_threshold.attr,
 	&dev_attr_charge_stop_threshold.attr,
 	NULL,
-- 
2.25.0