add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/input/keyboard/clps711x-keypad.c
..
..
@@ -1,16 +1,11 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * Cirrus Logic CLPS711X Keypad driver
3
4
  *
4
5
  * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License as published by
8
- * the Free Software Foundation; either version 2 of the License, or
9
- * (at your option) any later version.
10
6
  */
11
7
 
12
8
 #include <linux/input.h>
13
-#include <linux/input-polldev.h>
14
9
 #include <linux/module.h>
15
10
 #include <linux/of_gpio.h>
16
11
 #include <linux/platform_device.h>
..
..
@@ -34,10 +29,10 @@
34
29
 	struct clps711x_gpio_data	*gpio_data;
35
30
 };
36
31
 
37
-static void clps711x_keypad_poll(struct input_polled_dev *dev)
32
+static void clps711x_keypad_poll(struct input_dev *input)
38
33
 {
39
-	const unsigned short *keycodes = dev->input->keycode;
40
-	struct clps711x_keypad_data *priv = dev->private;
34
+	const unsigned short *keycodes = input->keycode;
35
+	struct clps711x_keypad_data *priv = input_get_drvdata(input);
41
36
 	bool sync = false;
42
37
 	int col, row;
43
38
 
..
..
@@ -65,14 +60,14 @@
65
60
 
66
61
 				if (state) {
67
62
 					set_bit(col, data->last_state);
68
-					input_event(dev->input, EV_MSC,
69
-						    MSC_SCAN, code);
63
+					input_event(input,
64
+						    EV_MSC, MSC_SCAN, code);
70
65
 				} else {
71
66
 					clear_bit(col, data->last_state);
72
67
 				}
73
68
 
74
69
 				if (keycodes[code])
75
-					input_report_key(dev->input,
70
+					input_report_key(input,
76
71
 							 keycodes[code], state);
77
72
 				sync = true;
78
73
 			}
..
..
@@ -84,7 +79,7 @@
84
79
 	}
85
80
 
86
81
 	if (sync)
87
-		input_sync(dev->input);
82
+		input_sync(input);
88
83
 }
89
84
 
90
85
 static int clps711x_keypad_probe(struct platform_device *pdev)
..
..
@@ -92,7 +87,7 @@
92
87
 	struct clps711x_keypad_data *priv;
93
88
 	struct device *dev = &pdev->dev;
94
89
 	struct device_node *np = dev->of_node;
95
-	struct input_polled_dev *poll_dev;
90
+	struct input_dev *input;
96
91
 	u32 poll_interval;
97
92
 	int i, err;
98
93
 
..
..
@@ -129,53 +124,43 @@
129
124
 	if (err)
130
125
 		return err;
131
126
 
132
-	poll_dev = input_allocate_polled_device();
133
-	if (!poll_dev)
127
+	input = devm_input_allocate_device(dev);
128
+	if (!input)
134
129
 		return -ENOMEM;
135
130
 
136
-	poll_dev->private		= priv;
137
-	poll_dev->poll			= clps711x_keypad_poll;
138
-	poll_dev->poll_interval		= poll_interval;
139
-	poll_dev->input->name		= pdev->name;
140
-	poll_dev->input->dev.parent	= dev;
141
-	poll_dev->input->id.bustype	= BUS_HOST;
142
-	poll_dev->input->id.vendor	= 0x0001;
143
-	poll_dev->input->id.product	= 0x0001;
144
-	poll_dev->input->id.version	= 0x0100;
131
+	input_set_drvdata(input, priv);
132
+
133
+	input->name		= pdev->name;
134
+	input->dev.parent	= dev;
135
+	input->id.bustype	= BUS_HOST;
136
+	input->id.vendor	= 0x0001;
137
+	input->id.product	= 0x0001;
138
+	input->id.version	= 0x0100;
145
139
 
146
140
 	err = matrix_keypad_build_keymap(NULL, NULL, priv->row_count,
147
141
 					 CLPS711X_KEYPAD_COL_COUNT,
148
-					 NULL, poll_dev->input);
142
+					 NULL, input);
149
143
 	if (err)
150
-		goto out_err;
144
+		return err;
151
145
 
152
-	input_set_capability(poll_dev->input, EV_MSC, MSC_SCAN);
146
+	input_set_capability(input, EV_MSC, MSC_SCAN);
153
147
 	if (of_property_read_bool(np, "autorepeat"))
154
-		__set_bit(EV_REP, poll_dev->input->evbit);
155
-
156
-	platform_set_drvdata(pdev, poll_dev);
148
+		__set_bit(EV_REP, input->evbit);
157
149
 
158
150
 	/* Set all columns to low */
159
151
 	regmap_update_bits(priv->syscon, SYSCON_OFFSET, SYSCON1_KBDSCAN_MASK,
160
152
 			   SYSCON1_KBDSCAN(1));
161
153
 
162
-	err = input_register_polled_device(poll_dev);
154
+
155
+	err = input_setup_polling(input, clps711x_keypad_poll);
163
156
 	if (err)
164
-		goto out_err;
157
+		return err;
165
158
 
166
-	return 0;
159
+	input_set_poll_interval(input, poll_interval);
167
160
 
168
-out_err:
169
-	input_free_polled_device(poll_dev);
170
-	return err;
171
-}
172
-
173
-static int clps711x_keypad_remove(struct platform_device *pdev)
174
-{
175
-	struct input_polled_dev *poll_dev = platform_get_drvdata(pdev);
176
-
177
-	input_unregister_polled_device(poll_dev);
178
-	input_free_polled_device(poll_dev);
161
+	err = input_register_device(input);
162
+	if (err)
163
+		return err;
179
164
 
180
165
 	return 0;
181
166
 }
..
..
@@ -192,7 +177,6 @@
192
177
 		.of_match_table	= clps711x_keypad_of_match,
193
178
 	},
194
179
 	.probe	= clps711x_keypad_probe,
195
-	.remove	= clps711x_keypad_remove,
196
180
 };
197
181
 module_platform_driver(clps711x_keypad_driver);
198
182