Commit 354a3298 authored by Ping Cheng's avatar Ping Cheng Committed by Jiri Kosina
Browse files

HID: wacom: generic: Don't return a value for wacom_wac_event 



It is unnecessary to return a value since nothing is expecting a
value from it.

Signed-off-by: default avatarPing Cheng <ping.cheng@wacom.com>
Reviewed-By: default avatarJason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 9ce9a123

drivers/hid/wacom.h

+1 −1
Original line number Diff line number Diff line
@@ -210,7 +210,7 @@ int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, 
				       struct wacom_wac *wacom_wac);

void wacom_wac_usage_mapping(struct hid_device *hdev,

		struct hid_field *field, struct hid_usage *usage);

int wacom_wac_event(struct hid_device *hdev, struct hid_field *field,

void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,

		struct hid_usage *usage, __s32 value);

void wacom_wac_report(struct hid_device *hdev, struct hid_report *report);

void wacom_battery_work(struct work_struct *work);

drivers/hid/wacom_wac.c

+27 −35
Original line number Diff line number Diff line
@@ -1582,7 +1582,7 @@ static void wacom_wac_pad_usage_mapping(struct hid_device *hdev, 
	}

}



static int wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,

static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,

		struct hid_usage *usage, __s32 value)

{

	struct wacom *wacom = hid_get_drvdata(hdev);
@@ -1598,23 +1598,21 @@ static int wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field, 
	case WACOM_HID_WD_BATTERY_LEVEL:

		wacom_wac->hid_data.battery_capacity = value;

		wacom_wac->hid_data.bat_connected = 1;

		return 0;

		break;



	case WACOM_HID_WD_BATTERY_CHARGING:

		wacom_wac->hid_data.bat_charging = value;

		wacom_wac->hid_data.ps_connected = value;

		wacom_wac->hid_data.bat_connected = 1;

		return 0;

		break;



	case WACOM_HID_WD_TOUCHRINGSTATUS:

		return 0;

		break;



	default:

		input_event(input, usage->type, usage->code, value);

		break;

	}



	return 0;

}



static void wacom_wac_pad_pre_report(struct hid_device *hdev,
@@ -1731,7 +1729,7 @@ static void wacom_wac_pen_usage_mapping(struct hid_device *hdev, 
	}

}



static int wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,

static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,

		struct hid_usage *usage, __s32 value)

{

	struct wacom *wacom = hid_get_drvdata(hdev);
@@ -1753,25 +1751,25 @@ static int wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field, 
		wacom_wac->hid_data.inrange_state = value;

		if (!(features->quirks & WACOM_QUIRK_SENSE))

			wacom_wac->hid_data.sense_state = value;

		return 0;

		return;

	case HID_DG_BATTERYSTRENGTH:

		wacom_wac->hid_data.battery_capacity = value;

		wacom_wac->hid_data.bat_connected = 1;

		break;

	case HID_DG_INVERT:

		wacom_wac->hid_data.invert_state = value;

		return 0;

		return;

	case HID_DG_ERASER:

	case HID_DG_TIPSWITCH:

		wacom_wac->hid_data.tipswitch |= value;

		return 0;

		return;

	case HID_DG_TOOLSERIALNUMBER:

		wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);

		wacom_wac->serial[0] |= value;

		return 0;

		return;

	case WACOM_HID_WD_SENSE:

		wacom_wac->hid_data.sense_state = value;

		return 0;

		return;

	case WACOM_HID_WD_SERIALHI:

		wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);

		wacom_wac->serial[0] |= ((__u64)value) << 32;
@@ -1783,7 +1781,7 @@ static int wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field, 
		if (value >> 20 == 1) {

			wacom_wac->id[0] |= value & 0xFFFFF;

		}

		return 0;

		return;

	case WACOM_HID_WD_TOOLTYPE:

		/*

		 * Some devices (MobileStudio Pro, and possibly later
@@ -1793,50 +1791,48 @@ static int wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field, 
		 * up over time :(

		 */

		wacom_wac->id[0] |= value;

		return 0;

		return;

	case WACOM_HID_WD_OFFSETLEFT:

		if (features->offset_left && value != features->offset_left)

			hid_warn(hdev, "%s: overriding exising left offset "

				 "%d -> %d\n", __func__, value,

				 features->offset_left);

		features->offset_left = value;

		return 0;

		return;

	case WACOM_HID_WD_OFFSETRIGHT:

		if (features->offset_right && value != features->offset_right)

			hid_warn(hdev, "%s: overriding exising right offset "

				 "%d -> %d\n", __func__, value,

				 features->offset_right);

		features->offset_right = value;

		return 0;

		return;

	case WACOM_HID_WD_OFFSETTOP:

		if (features->offset_top && value != features->offset_top)

			hid_warn(hdev, "%s: overriding exising top offset "

				 "%d -> %d\n", __func__, value,

				 features->offset_top);

		features->offset_top = value;

		return 0;

		return;

	case WACOM_HID_WD_OFFSETBOTTOM:

		if (features->offset_bottom && value != features->offset_bottom)

			hid_warn(hdev, "%s: overriding exising bottom offset "

				 "%d -> %d\n", __func__, value,

				 features->offset_bottom);

		features->offset_bottom = value;

		return 0;

		return;

	}



	/* send pen events only when touch is up or forced out

	 * or touch arbitration is off

	 */

	if (!usage->type || delay_pen_events(wacom_wac))

		return 0;

		return;



	/* send pen events only when the pen is in/entering/leaving proximity */

	if (!wacom_wac->hid_data.inrange_state && !wacom_wac->tool[0])

		return 0;

		return;



	input_event(input, usage->type, usage->code, value);



	return 0;

}



static void wacom_wac_pen_pre_report(struct hid_device *hdev,
@@ -1980,7 +1976,7 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, 
	}

}



static int wacom_wac_finger_event(struct hid_device *hdev,

static void wacom_wac_finger_event(struct hid_device *hdev,

		struct hid_field *field, struct hid_usage *usage, __s32 value)

{

	struct wacom *wacom = hid_get_drvdata(hdev);
@@ -2013,8 +2009,6 @@ static int wacom_wac_finger_event(struct hid_device *hdev, 
		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)

			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);

	}



	return 0;

}



static void wacom_wac_finger_pre_report(struct hid_device *hdev,
@@ -2100,29 +2094,27 @@ void wacom_wac_usage_mapping(struct hid_device *hdev, 
	features->device_type |= WACOM_DEVICETYPE_DIRECT;



	if (WACOM_PAD_FIELD(field))

		return wacom_wac_pad_usage_mapping(hdev, field, usage);

		wacom_wac_pad_usage_mapping(hdev, field, usage);

	else if (WACOM_PEN_FIELD(field))

		return wacom_wac_pen_usage_mapping(hdev, field, usage);

		wacom_wac_pen_usage_mapping(hdev, field, usage);

	else if (WACOM_FINGER_FIELD(field))

		return wacom_wac_finger_usage_mapping(hdev, field, usage);

		wacom_wac_finger_usage_mapping(hdev, field, usage);

}



int wacom_wac_event(struct hid_device *hdev, struct hid_field *field,

void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,

		struct hid_usage *usage, __s32 value)

{

	struct wacom *wacom = hid_get_drvdata(hdev);



	if (wacom->wacom_wac.features.type != HID_GENERIC)

		return 0;

		return;



	if (WACOM_PAD_FIELD(field))

		return wacom_wac_pad_event(hdev, field, usage, value);

		wacom_wac_pad_event(hdev, field, usage, value);

	else if (WACOM_PEN_FIELD(field))

		return wacom_wac_pen_event(hdev, field, usage, value);

		wacom_wac_pen_event(hdev, field, usage, value);

	else if (WACOM_FINGER_FIELD(field))

		return wacom_wac_finger_event(hdev, field, usage, value);



	return 0;

		wacom_wac_finger_event(hdev, field, usage, value);

}



static void wacom_report_events(struct hid_device *hdev, struct hid_report *report)

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