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path: root/drivers/input/joystick/sidewinder.c
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Diffstat (limited to 'drivers/input/joystick/sidewinder.c')
-rw-r--r--drivers/input/joystick/sidewinder.c40
1 files changed, 16 insertions, 24 deletions
diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index f46bf4d41972..3a5873e5fcb3 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 1998-2005 Vojtech Pavlik
*/
@@ -6,22 +7,6 @@
* Microsoft SideWinder joystick family driver for Linux
*/
-/*
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -29,6 +14,7 @@
#include <linux/input.h>
#include <linux/gameport.h>
#include <linux/jiffies.h>
+#include <linux/string_choices.h>
#define DRIVER_DESC "Microsoft SideWinder joystick family driver"
@@ -235,7 +221,7 @@ static __u64 sw_get_bits(unsigned char *buf, int pos, int num, char bits)
static void sw_init_digital(struct gameport *gameport)
{
- int seq[] = { 140, 140+725, 140+300, 0 };
+ static const int seq[] = { 140, 140+725, 140+300, 0 };
unsigned long flags;
int i, t;
@@ -592,7 +578,7 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
comment[0] = 0;
- sw = kzalloc(sizeof(struct sw), GFP_KERNEL);
+ sw = kzalloc(sizeof(*sw), GFP_KERNEL);
buf = kmalloc(SW_LENGTH, GFP_KERNEL);
idbuf = kmalloc(SW_LENGTH, GFP_KERNEL);
if (!sw || !buf || !idbuf) {
@@ -668,16 +654,20 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
switch (i * m) {
case 60:
- sw->number++; /* fall through */
+ sw->number++;
+ fallthrough;
case 45: /* Ambiguous packet length */
if (j <= 40) { /* ID length less or eq 40 -> FSP */
+ fallthrough;
case 43:
sw->type = SW_ID_FSP;
break;
}
- sw->number++; /* fall through */
+ sw->number++;
+ fallthrough;
case 30:
- sw->number++; /* fall through */
+ sw->number++;
+ fallthrough;
case 15:
sw->type = SW_ID_GP;
break;
@@ -688,14 +678,16 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
case 48: /* Ambiguous */
if (j == 14) { /* ID length 14*3 -> FFP */
sw->type = SW_ID_FFP;
- sprintf(comment, " [AC %s]", sw_get_bits(idbuf,38,1,3) ? "off" : "on");
+ sprintf(comment, " [AC %s]", str_off_on(sw_get_bits(idbuf,38,1,3)));
} else
sw->type = SW_ID_PP;
break;
case 66:
- sw->bits = 3; /* fall through */
+ sw->bits = 3;
+ fallthrough;
case 198:
- sw->length = 22; /* fall through */
+ sw->length = 22;
+ fallthrough;
case 64:
sw->type = SW_ID_3DP;
if (j == 160)