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2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/drivers/misc/lis3lv02d/lis3lv02d.c
....@@ -1,23 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  lis3lv02d.c - ST LIS3LV02DL accelerometer driver
34  *
45  *  Copyright (C) 2007-2008 Yan Burman
56  *  Copyright (C) 2008 Eric Piel
67  *  Copyright (C) 2008-2009 Pavel Machek
7
- *
8
- *  This program is free software; you can redistribute it and/or modify
9
- *  it under the terms of the GNU General Public License as published by
10
- *  the Free Software Foundation; either version 2 of the License, or
11
- *  (at your option) any later version.
12
- *
13
- *  This program is distributed in the hope that it will be useful,
14
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
- *  GNU General Public License for more details.
17
- *
18
- *  You should have received a copy of the GNU General Public License
19
- *  along with this program; if not, write to the Free Software
20
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
218  */
229 
2310 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -29,7 +16,7 @@
2916 #include <linux/types.h>
3017 #include <linux/platform_device.h>
3118 #include <linux/interrupt.h>
32
-#include <linux/input-polldev.h>
19
+#include <linux/input.h>
3320 #include <linux/delay.h>
3421 #include <linux/wait.h>
3522 #include <linux/poll.h>
....@@ -455,23 +442,23 @@
455442 EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
456443 
457444 
458
-static void lis3lv02d_joystick_poll(struct input_polled_dev *pidev)
445
+static void lis3lv02d_joystick_poll(struct input_dev *input)
459446 {
460
-	struct lis3lv02d *lis3 = pidev->private;
447
+	struct lis3lv02d *lis3 = input_get_drvdata(input);
461448 	int x, y, z;
462449 
463450 	mutex_lock(&lis3->mutex);
464451 	lis3lv02d_get_xyz(lis3, &x, &y, &z);
465
-	input_report_abs(pidev->input, ABS_X, x);
466
-	input_report_abs(pidev->input, ABS_Y, y);
467
-	input_report_abs(pidev->input, ABS_Z, z);
468
-	input_sync(pidev->input);
452
+	input_report_abs(input, ABS_X, x);
453
+	input_report_abs(input, ABS_Y, y);
454
+	input_report_abs(input, ABS_Z, z);
455
+	input_sync(input);
469456 	mutex_unlock(&lis3->mutex);
470457 }
471458 
472
-static void lis3lv02d_joystick_open(struct input_polled_dev *pidev)
459
+static int lis3lv02d_joystick_open(struct input_dev *input)
473460 {
474
-	struct lis3lv02d *lis3 = pidev->private;
461
+	struct lis3lv02d *lis3 = input_get_drvdata(input);
475462 
476463 	if (lis3->pm_dev)
477464 		pm_runtime_get_sync(lis3->pm_dev);
....@@ -482,12 +469,14 @@
482469 	 * Update coordinates for the case where poll interval is 0 and
483470 	 * the chip in running purely under interrupt control
484471 	 */
485
-	lis3lv02d_joystick_poll(pidev);
472
+	lis3lv02d_joystick_poll(input);
473
+
474
+	return 0;
486475 }
487476 
488
-static void lis3lv02d_joystick_close(struct input_polled_dev *pidev)
477
+static void lis3lv02d_joystick_close(struct input_dev *input)
489478 {
490
-	struct lis3lv02d *lis3 = pidev->private;
479
+	struct lis3lv02d *lis3 = input_get_drvdata(input);
491480 
492481 	atomic_set(&lis3->wake_thread, 0);
493482 	if (lis3->pm_dev)
....@@ -518,7 +507,7 @@
518507 
519508 static void lis302dl_interrupt_handle_click(struct lis3lv02d *lis3)
520509 {
521
-	struct input_dev *dev = lis3->idev->input;
510
+	struct input_dev *dev = lis3->idev;
522511 	u8 click_src;
523512 
524513 	mutex_lock(&lis3->mutex);
....@@ -698,18 +687,9 @@
698687 	if (lis3->idev)
699688 		return -EINVAL;
700689 
701
-	lis3->idev = input_allocate_polled_device();
702
-	if (!lis3->idev)
690
+	input_dev = input_allocate_device();
691
+	if (!input_dev)
703692 		return -ENOMEM;
704
-
705
-	lis3->idev->poll = lis3lv02d_joystick_poll;
706
-	lis3->idev->open = lis3lv02d_joystick_open;
707
-	lis3->idev->close = lis3lv02d_joystick_close;
708
-	lis3->idev->poll_interval = MDPS_POLL_INTERVAL;
709
-	lis3->idev->poll_interval_min = MDPS_POLL_MIN;
710
-	lis3->idev->poll_interval_max = MDPS_POLL_MAX;
711
-	lis3->idev->private = lis3;
712
-	input_dev = lis3->idev->input;
713693 
714694 	input_dev->name       = "ST LIS3LV02DL Accelerometer";
715695 	input_dev->phys       = DRIVER_NAME "/input0";
....@@ -717,7 +697,9 @@
717697 	input_dev->id.vendor  = 0;
718698 	input_dev->dev.parent = &lis3->pdev->dev;
719699 
720
-	set_bit(EV_ABS, input_dev->evbit);
700
+	input_dev->open = lis3lv02d_joystick_open;
701
+	input_dev->close = lis3lv02d_joystick_close;
702
+
721703 	max_val = (lis3->mdps_max_val * lis3->scale) / LIS3_ACCURACY;
722704 	if (lis3->whoami == WAI_12B) {
723705 		fuzz = LIS3_DEFAULT_FUZZ_12B;
....@@ -733,17 +715,32 @@
733715 	input_set_abs_params(input_dev, ABS_Y, -max_val, max_val, fuzz, flat);
734716 	input_set_abs_params(input_dev, ABS_Z, -max_val, max_val, fuzz, flat);
735717 
718
+	input_set_drvdata(input_dev, lis3);
719
+	lis3->idev = input_dev;
720
+
721
+	err = input_setup_polling(input_dev, lis3lv02d_joystick_poll);
722
+	if (err)
723
+		goto err_free_input;
724
+
725
+	input_set_poll_interval(input_dev, MDPS_POLL_INTERVAL);
726
+	input_set_min_poll_interval(input_dev, MDPS_POLL_MIN);
727
+	input_set_max_poll_interval(input_dev, MDPS_POLL_MAX);
728
+
736729 	lis3->mapped_btns[0] = lis3lv02d_get_axis(abs(lis3->ac.x), btns);
737730 	lis3->mapped_btns[1] = lis3lv02d_get_axis(abs(lis3->ac.y), btns);
738731 	lis3->mapped_btns[2] = lis3lv02d_get_axis(abs(lis3->ac.z), btns);
739732 
740
-	err = input_register_polled_device(lis3->idev);
741
-	if (err) {
742
-		input_free_polled_device(lis3->idev);
743
-		lis3->idev = NULL;
744
-	}
733
+	err = input_register_device(lis3->idev);
734
+	if (err)
735
+		goto err_free_input;
745736 
737
+	return 0;
738
+
739
+err_free_input:
740
+	input_free_device(input_dev);
741
+	lis3->idev = NULL;
746742 	return err;
743
+
747744 }
748745 EXPORT_SYMBOL_GPL(lis3lv02d_joystick_enable);
749746 
....@@ -759,8 +756,7 @@
759756 
760757 	if (lis3->irq)
761758 		misc_deregister(&lis3->miscdev);
762
-	input_unregister_polled_device(lis3->idev);
763
-	input_free_polled_device(lis3->idev);
759
+	input_unregister_device(lis3->idev);
764760 	lis3->idev = NULL;
765761 }
766762 EXPORT_SYMBOL_GPL(lis3lv02d_joystick_disable);
....@@ -919,10 +915,9 @@
919915 			(p->click_thresh_y << 4));
920916 
921917 		if (lis3->idev) {
922
-			struct input_dev *input_dev = lis3->idev->input;
923
-			input_set_capability(input_dev, EV_KEY, BTN_X);
924
-			input_set_capability(input_dev, EV_KEY, BTN_Y);
925
-			input_set_capability(input_dev, EV_KEY, BTN_Z);
918
+			input_set_capability(lis3->idev, EV_KEY, BTN_X);
919
+			input_set_capability(lis3->idev, EV_KEY, BTN_Y);
920
+			input_set_capability(lis3->idev, EV_KEY, BTN_Z);
926921 		}
927922 	}
928923