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path: root/drivers/hid/hid-alps.c
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Diffstat (limited to 'drivers/hid/hid-alps.c')
-rw-r--r--drivers/hid/hid-alps.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index 3cd7229b6e54..ba00f6e6324b 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2016 Masaki Ota <masaki.ota@jp.alps.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
*/
#include <linux/kernel.h>
@@ -12,7 +8,7 @@
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/module.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "hid-ids.h"
/* ALPS Device Product ID */
@@ -29,6 +25,7 @@
#define U1_MOUSE_REPORT_ID 0x01 /* Mouse data ReportID */
#define U1_ABSOLUTE_REPORT_ID 0x03 /* Absolute data ReportID */
+#define U1_ABSOLUTE_REPORT_ID_SECD 0x02 /* FW-PTP Absolute data ReportID */
#define U1_FEATURE_REPORT_ID 0x05 /* Feature ReportID */
#define U1_SP_ABSOLUTE_REPORT_ID 0x06 /* Feature ReportID */
@@ -77,7 +74,7 @@ enum dev_num {
UNKNOWN,
};
/**
- * struct u1_data
+ * struct alps_dev
*
* @input: pointer to the kernel input device
* @input2: pointer to the kernel input2 device
@@ -372,6 +369,7 @@ static int u1_raw_event(struct alps_dev *hdata, u8 *data, int size)
case U1_FEATURE_REPORT_ID:
break;
case U1_ABSOLUTE_REPORT_ID:
+ case U1_ABSOLUTE_REPORT_ID_SECD:
for (i = 0; i < hdata->max_fingers; i++) {
u8 *contact = &data[i * 5];
@@ -391,8 +389,7 @@ static int u1_raw_event(struct alps_dev *hdata, u8 *data, int size)
input_report_abs(hdata->input,
ABS_MT_PRESSURE, z);
} else {
- input_mt_report_slot_state(hdata->input,
- MT_TOOL_FINGER, 0);
+ input_mt_report_slot_inactive(hdata->input);
}
}
@@ -529,7 +526,7 @@ static int u1_init(struct hid_device *hdev, struct alps_dev *pri_data)
ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_Y,
&sen_line_num_y, 0, true);
- if (ret < 0) {
+ if (ret < 0) {
dev_err(&hdev->dev, "failed U1_NUM_SENS_Y (%d)\n", ret);
goto exit;
}
@@ -734,7 +731,7 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
if (data->has_sp) {
input2 = input_allocate_device();
if (!input2) {
- input_free_device(input2);
+ ret = -ENOMEM;
goto exit;
}
@@ -764,6 +761,7 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
if (input_register_device(data->input2)) {
input_free_device(input2);
+ ret = -ENOENT;
goto exit;
}
}
@@ -806,6 +804,7 @@ static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
break;
case HID_DEVICE_ID_ALPS_U1_DUAL:
case HID_DEVICE_ID_ALPS_U1:
+ case HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY:
data->dev_type = U1;
break;
default:
@@ -821,17 +820,14 @@ static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
return 0;
}
-static void alps_remove(struct hid_device *hdev)
-{
- hid_hw_stop(hdev);
-}
-
static const struct hid_device_id alps_id[] = {
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY,
USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY,
USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1) },
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY,
+ USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY) },
+ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY,
USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_T4_BTNLESS) },
{ }
};
@@ -841,7 +837,6 @@ static struct hid_driver alps_driver = {
.name = "hid-alps",
.id_table = alps_id,
.probe = alps_probe,
- .remove = alps_remove,
.raw_event = alps_raw_event,
.input_mapping = alps_input_mapping,
.input_configured = alps_input_configured,