linux-kernel - [PATCH RESEND 1/2] HID: magicmouse: fix checkpatch errors

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Date:   Tue, 21 Sep 2021 18:33:46 +0200
From:   José Expósito <jose.exposito89@...il.com>
To:     jikos@...nel.org
Cc:     benjamin.tissoires@...hat.com, rydberg@...math.org,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        José Expósito <jose.exposito89@...il.com>
Subject: [PATCH RESEND 1/2] HID: magicmouse: fix checkpatch errors

Fix errors reported by checkpatch in hid-magicmouse.c:

hid-magicmouse.c:35:  ERROR: open brace '{' following function
                      definitions go on the next line

hid-magicmouse.c:46:  ERROR: do not initialise statics to false

hid-magicmouse.c:79:  ERROR: Macros with complex values should be
                      enclosed in parentheses

hid-magicmouse.c:83:  ERROR: Macros with complex values should be
                      enclosed in parentheses

hid-magicmouse.c:88:  ERROR: Macros with complex values should be
                      enclosed in parentheses

hid-magicmouse.c:93:  ERROR: Macros with complex values should be
                      enclosed in parentheses

hid-magicmouse.c:99:  ERROR: Macros with complex values should be
                      enclosed in parentheses

hid-magicmouse.c:104: ERROR: Macros with complex values should be
                      enclosed in parentheses

hid-magicmouse.c:185: ERROR: do not use assignment in if condition

Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
 drivers/hid/hid-magicmouse.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 686788ebf3e1..b1ae61f9e675 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -33,7 +33,8 @@ MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel");
 
 static unsigned int scroll_speed = 32;
 static int param_set_scroll_speed(const char *val,
-				  const struct kernel_param *kp) {
+				  const struct kernel_param *kp)
+{
 	unsigned long speed;
 	if (!val || kstrtoul(val, 0, &speed) || speed > 63)
 		return -EINVAL;
@@ -43,7 +44,7 @@ static int param_set_scroll_speed(const char *val,
 module_param_call(scroll_speed, param_set_scroll_speed, param_get_uint, &scroll_speed, 0644);
 MODULE_PARM_DESC(scroll_speed, "Scroll speed, value from 0 (slow) to 63 (fast)");
 
-static bool scroll_acceleration = false;
+static bool scroll_acceleration;
 module_param(scroll_acceleration, bool, 0644);
 MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events");
 
@@ -76,32 +77,32 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie
 
 /* Touch surface information. Dimension is in hundredths of a mm, min and max
  * are in units. */
-#define MOUSE_DIMENSION_X (float)9056
+#define MOUSE_DIMENSION_X ((float)9056)
 #define MOUSE_MIN_X -1100
 #define MOUSE_MAX_X 1258
 #define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100))
-#define MOUSE_DIMENSION_Y (float)5152
+#define MOUSE_DIMENSION_Y ((float)5152)
 #define MOUSE_MIN_Y -1589
 #define MOUSE_MAX_Y 2047
 #define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100))
 
-#define TRACKPAD_DIMENSION_X (float)13000
+#define TRACKPAD_DIMENSION_X ((float)13000)
 #define TRACKPAD_MIN_X -2909
 #define TRACKPAD_MAX_X 3167
 #define TRACKPAD_RES_X \
 	((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100))
-#define TRACKPAD_DIMENSION_Y (float)11000
+#define TRACKPAD_DIMENSION_Y ((float)11000)
 #define TRACKPAD_MIN_Y -2456
 #define TRACKPAD_MAX_Y 2565
 #define TRACKPAD_RES_Y \
 	((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100))
 
-#define TRACKPAD2_DIMENSION_X (float)16000
+#define TRACKPAD2_DIMENSION_X ((float)16000)
 #define TRACKPAD2_MIN_X -3678
 #define TRACKPAD2_MAX_X 3934
 #define TRACKPAD2_RES_X \
 	((TRACKPAD2_MAX_X - TRACKPAD2_MIN_X) / (TRACKPAD2_DIMENSION_X / 100))
-#define TRACKPAD2_DIMENSION_Y (float)11490
+#define TRACKPAD2_DIMENSION_Y ((float)11490)
 #define TRACKPAD2_MIN_Y -2478
 #define TRACKPAD2_MAX_Y 2587
 #define TRACKPAD2_RES_Y \
@@ -182,14 +183,17 @@ static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state)
 			/* The button was released. */
 		} else if (last_state != 0) {
 			state = last_state;
-		} else if ((id = magicmouse_firm_touch(msc)) >= 0) {
-			int x = msc->touches[id].x;
-			if (x < middle_button_start)
-				state = 1;
-			else if (x > middle_button_stop)
-				state = 2;
-			else
-				state = 4;
+		} else {
+			id = magicmouse_firm_touch(msc);
+			if (id >= 0) {
+				int x = msc->touches[id].x;
+				if (x < middle_button_start)
+					state = 1;
+				else if (x > middle_button_stop)
+					state = 2;
+				else
+					state = 4;
+			}
 		} /* else: we keep the mouse's guess */
 
 		input_report_key(msc->input, BTN_MIDDLE, state & 4);
-- 
2.25.1