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Input: wacom - clean up device type code

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Use switch instead of if statement to verify device types

Signed-off-by: Ping Cheng <pinglinux@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Ping Cheng 2012-11-03 12:16:13 -07:00 committed by Dmitry Torokhov
parent 2be975c6d9
commit 3699dd7e16
1 changed files with 40 additions and 17 deletions
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57
drivers/input/tablet/wacom_sys.c
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@ -386,23 +386,36 @@ static int wacom_parse_hid(struct usb_interface *intf,
if (usage == WCM_DESKTOP) {
if (finger) {
features->device_type = BTN_TOOL_FINGER;
if (features->type == TABLETPC2FG) {
/* need to reset back */
switch (features->type) {
case TABLETPC2FG:
features->pktlen = WACOM_PKGLEN_TPC2FG;
break;
case MTSCREEN:
case WACOM_24HDT:
features->pktlen = WACOM_PKGLEN_MTOUCH;
break;
case BAMBOO_PT:
features->pktlen = WACOM_PKGLEN_BBTOUCH;
break;
default:
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
break;
}
if (features->type == MTSCREEN || features->type == WACOM_24HDT)
features->pktlen = WACOM_PKGLEN_MTOUCH;
if (features->type == BAMBOO_PT) {
/* need to reset back */
features->pktlen = WACOM_PKGLEN_BBTOUCH;
switch (features->type) {
case BAMBOO_PT:
features->x_phy =
get_unaligned_le16(&report[i + 5]);
features->x_max =
get_unaligned_le16(&report[i + 8]);
i += 15;
} else if (features->type == WACOM_24HDT) {
break;
case WACOM_24HDT:
features->x_max =
get_unaligned_le16(&report[i + 3]);
features->x_phy =
@ -410,7 +423,9 @@ static int wacom_parse_hid(struct usb_interface *intf,
features->unit = report[i - 1];
features->unitExpo = report[i - 3];
i += 12;
} else {
break;
default:
features->x_max =
get_unaligned_le16(&report[i + 3]);
features->x_phy =
@ -418,10 +433,11 @@ static int wacom_parse_hid(struct usb_interface *intf,
features->unit = report[i + 9];
features->unitExpo = report[i + 11];
i += 12;
break;
}
} else if (pen) {
/* penabled only accepts exact bytes of data */
if (features->type == TABLETPC2FG)
if (features->type >= TABLETPC)
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->x_max =
@ -434,32 +450,39 @@ static int wacom_parse_hid(struct usb_interface *intf,
case HID_USAGE_Y:
if (usage == WCM_DESKTOP) {
if (finger) {
int type = features->type;
if (type == TABLETPC2FG || type == MTSCREEN) {
switch (features->type) {
case TABLETPC2FG:
case MTSCREEN:
features->y_max =
get_unaligned_le16(&report[i + 3]);
features->y_phy =
get_unaligned_le16(&report[i + 6]);
i += 7;
} else if (type == WACOM_24HDT) {
break;
case WACOM_24HDT:
features->y_max =
get_unaligned_le16(&report[i + 3]);
features->y_phy =
get_unaligned_le16(&report[i - 2]);
i += 7;
} else if (type == BAMBOO_PT) {
break;
case BAMBOO_PT:
features->y_phy =
get_unaligned_le16(&report[i + 3]);
features->y_max =
get_unaligned_le16(&report[i + 6]);
i += 12;
} else {
break;
default:
features->y_max =
features->x_max;
features->y_phy =
get_unaligned_le16(&report[i + 3]);
i += 4;
break;
}
} else if (pen) {
features->y_max =