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path: root/drivers/input/tablet/wacom_sys.c
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Diffstat (limited to 'drivers/input/tablet/wacom_sys.c')
-rw-r--r--drivers/input/tablet/wacom_sys.c58
1 files changed, 43 insertions, 15 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 858ad446de91..f92d34f45a1c 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -386,23 +386,40 @@ 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;
- if (features->type == MTSCREEN || features->type == WACOM_24HDT)
+ case MTSCREEN:
+ case WACOM_24HDT:
features->pktlen = WACOM_PKGLEN_MTOUCH;
+ break;
- if (features->type == BAMBOO_PT) {
- /* need to reset back */
+ case MTTPC:
+ features->pktlen = WACOM_PKGLEN_MTTPC;
+ break;
+
+ case BAMBOO_PT:
features->pktlen = WACOM_PKGLEN_BBTOUCH;
+ break;
+
+ default:
+ features->pktlen = WACOM_PKGLEN_GRAPHIRE;
+ break;
+ }
+
+ 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 +427,9 @@ 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 +437,11 @@ 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 +454,40 @@ 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:
+ case MTTPC:
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 =
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