diff options
| author | Ping Cheng <pinglinux@gmail.com> | 2012-11-03 20:16:13 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-11-08 18:12:29 +0100 |
| commit | 3699dd7e16a9f68586a44e1efeb9708359f9c2a6 (patch) | |
| tree | 5d13ff90e9895c30a77a3d6cef95c49c6012c1b8 | |
| parent | Input: introduce managed input devices (add devres support) (diff) | |
| download | linux-3699dd7e16a9f68586a44e1efeb9708359f9c2a6.tar.xz linux-3699dd7e16a9f68586a44e1efeb9708359f9c2a6.zip | |
Input: wacom - clean up device type code
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>
| -rw-r--r-- | drivers/input/tablet/wacom_sys.c | 53 |
1 files changed, 38 insertions, 15 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 858ad446de91..67442f409174 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -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; - 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 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 +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 = |