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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: Ping Cheng <ping.cheng@wacom.com>
Reviewed-By: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Ping Cheng 2016-12-08 22:03:27 -08:00 committed by Jiri Kosina
parent 9ce9a123d9
commit 354a32985a
2 changed files with 28 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/hid/wacom.h
View File

@ -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);

62
drivers/hid/wacom_wac.c
View File

@ -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)