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path: root/drivers/input/rmi4/rmi_f01.c
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Diffstat (limited to 'drivers/input/rmi4/rmi_f01.c')
-rw-r--r--drivers/input/rmi4/rmi_f01.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index 4edaa14fe878..47be64284b25 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2011-2016 Synaptics Incorporated
* Copyright (c) 2011 Unixphere
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#include <linux/kernel.h>
@@ -12,7 +9,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/of.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "rmi_driver.h"
#define RMI_PRODUCT_ID_LENGTH 10
@@ -106,13 +103,15 @@ struct f01_basic_properties {
#define RMI_F01_CTRL0_CONFIGURED_BIT BIT(7)
/**
- * @ctrl0 - see the bit definitions above.
- * @doze_interval - controls the interval between checks for finger presence
- * when the touch sensor is in doze mode, in units of 10ms.
- * @wakeup_threshold - controls the capacitance threshold at which the touch
- * sensor will decide to wake up from that low power state.
- * @doze_holdoff - controls how long the touch sensor waits after the last
- * finger lifts before entering the doze state, in units of 100ms.
+ * struct f01_device_control - controls basic sensor functions
+ *
+ * @ctrl0: see the bit definitions above.
+ * @doze_interval: controls the interval between checks for finger presence
+ * when the touch sensor is in doze mode, in units of 10ms.
+ * @wakeup_threshold: controls the capacitance threshold at which the touch
+ * sensor will decide to wake up from that low power state.
+ * @doze_holdoff: controls how long the touch sensor waits after the last
+ * finger lifts before entering the doze state, in units of 100ms.
*/
struct f01_device_control {
u8 ctrl0;
@@ -268,8 +267,7 @@ static ssize_t rmi_driver_manufacturer_id_show(struct device *dev,
struct rmi_driver_data *data = dev_get_drvdata(dev);
struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n",
- f01->properties.manufacturer_id);
+ return sysfs_emit(buf, "%d\n", f01->properties.manufacturer_id);
}
static DEVICE_ATTR(manufacturer_id, 0444,
@@ -281,7 +279,7 @@ static ssize_t rmi_driver_dom_show(struct device *dev,
struct rmi_driver_data *data = dev_get_drvdata(dev);
struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.dom);
+ return sysfs_emit(buf, "%s\n", f01->properties.dom);
}
static DEVICE_ATTR(date_of_manufacture, 0444, rmi_driver_dom_show, NULL);
@@ -293,7 +291,7 @@ static ssize_t rmi_driver_product_id_show(struct device *dev,
struct rmi_driver_data *data = dev_get_drvdata(dev);
struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.product_id);
+ return sysfs_emit(buf, "%s\n", f01->properties.product_id);
}
static DEVICE_ATTR(product_id, 0444, rmi_driver_product_id_show, NULL);
@@ -305,7 +303,7 @@ static ssize_t rmi_driver_firmware_id_show(struct device *dev,
struct rmi_driver_data *data = dev_get_drvdata(dev);
struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n", f01->properties.firmware_id);
+ return sysfs_emit(buf, "%d\n", f01->properties.firmware_id);
}
static DEVICE_ATTR(firmware_id, 0444, rmi_driver_firmware_id_show, NULL);
@@ -319,8 +317,8 @@ static ssize_t rmi_driver_package_id_show(struct device *dev,
u32 package_id = f01->properties.package_id;
- return scnprintf(buf, PAGE_SIZE, "%04x.%04x\n",
- package_id & 0xffff, (package_id >> 16) & 0xffff);
+ return sysfs_emit(buf, "%04x.%04x\n",
+ package_id & 0xffff, (package_id >> 16) & 0xffff);
}
static DEVICE_ATTR(package_id, 0444, rmi_driver_package_id_show, NULL);