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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-03-19 22:33:38 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-04-13 23:24:42 -0700
commit252f77698fe37bdd784e514820852a3ea9827fd0 (patch)
tree771f676d49eef41ee1fb2a98c2d1a99171968124 /drivers/input/tablet
parent95dd3b30ced3ee740e5dd92fc44515a5a6a350d4 (diff)
downloadlinux-252f77698fe37bdd784e514820852a3ea9827fd0.tar.bz2
Input: wacom - use get_unaligned to access unaligned data
Also get rid of wacom_le16_to_cpu() and wacom_be16_to_cpu() helpers and ise le16_to_cpup() and be16_to_cpup() directly. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/tablet')
-rw-r--r--drivers/input/tablet/wacom.h3
-rw-r--r--drivers/input/tablet/wacom_sys.c30
-rw-r--r--drivers/input/tablet/wacom_wac.c42
3 files changed, 28 insertions, 47 deletions
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index 56a37074e0dd..284dfaab6b8c 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -120,7 +120,4 @@ extern const struct usb_device_id wacom_ids[];
void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
void wacom_setup_input_capabilities(struct input_dev *input_dev,
struct wacom_wac *wacom_wac);
-__u16 wacom_le16_to_cpu(unsigned char *data);
-__u16 wacom_be16_to_cpu(unsigned char *data);
-
#endif
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index c37e22b968d9..d90f4e00e51d 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -100,20 +100,6 @@ static void wacom_sys_irq(struct urb *urb)
__func__, retval);
}
-__u16 wacom_be16_to_cpu(unsigned char *data)
-{
- __u16 value;
- value = be16_to_cpu(*(__be16 *) data);
- return value;
-}
-
-__u16 wacom_le16_to_cpu(unsigned char *data)
-{
- __u16 value;
- value = le16_to_cpu(*(__le16 *) data);
- return value;
-}
-
static int wacom_open(struct input_dev *dev)
{
struct wacom *wacom = input_get_drvdata(dev);
@@ -210,9 +196,9 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->device_type = BTN_TOOL_TRIPLETAP;
}
features->x_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
features->x_phy =
- wacom_le16_to_cpu(&report[i + 6]);
+ get_unaligned_le16(&report[i + 6]);
features->unit = report[i + 9];
features->unitExpo = report[i + 11];
i += 12;
@@ -222,7 +208,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->x_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
} else if (usage == WCM_DIGITIZER) {
@@ -244,15 +230,15 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->pktlen = WACOM_PKGLEN_TPC2FG;
features->device_type = BTN_TOOL_TRIPLETAP;
features->y_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
features->y_phy =
- wacom_le16_to_cpu(&report[i + 6]);
+ get_unaligned_le16(&report[i + 6]);
i += 7;
} else {
features->y_max =
features->x_max;
features->y_phy =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
} else if (pen) {
@@ -261,7 +247,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->y_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
}
@@ -280,7 +266,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
case HID_USAGE_UNDEFINED:
if (usage == WCM_DESKTOP && finger) /* capacity */
features->pressure_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
break;
}
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 8163e8f06f29..950a81d7a67c 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -27,8 +27,8 @@ static int wacom_penpartner_irq(struct wacom_wac *wacom)
wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
input_report_key(input, wacom->tool[0], 1);
input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
- input_report_abs(input, ABS_X, wacom_le16_to_cpu(&data[1]));
- input_report_abs(input, ABS_Y, wacom_le16_to_cpu(&data[3]));
+ input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
@@ -43,8 +43,8 @@ static int wacom_penpartner_irq(struct wacom_wac *wacom)
case 2:
input_report_key(input, BTN_TOOL_PEN, 1);
input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
- input_report_abs(input, ABS_X, wacom_le16_to_cpu(&data[1]));
- input_report_abs(input, ABS_Y, wacom_le16_to_cpu(&data[3]));
+ input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
@@ -150,9 +150,9 @@ static int wacom_ptu_irq(struct wacom_wac *wacom)
wacom->id[0] = STYLUS_DEVICE_ID;
}
input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
- input_report_abs(input, ABS_X, wacom_le16_to_cpu(&data[2]));
- input_report_abs(input, ABS_Y, wacom_le16_to_cpu(&data[4]));
- input_report_abs(input, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+ input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
input_report_key(input, BTN_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
return 1;
@@ -163,7 +163,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom)
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->input;
- int x, y, prox;
+ int prox;
int rw = 0;
int retval = 0;
@@ -197,10 +197,8 @@ static int wacom_graphire_irq(struct wacom_wac *wacom)
break;
}
}
- x = wacom_le16_to_cpu(&data[2]);
- y = wacom_le16_to_cpu(&data[4]);
- input_report_abs(input, ABS_X, x);
- input_report_abs(input, ABS_Y, y);
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
if (wacom->tool[0] != BTN_TOOL_MOUSE) {
input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
input_report_key(input, BTN_TOUCH, data[1] & 0x01);
@@ -531,8 +529,8 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
} else {
- input_report_abs(input, ABS_X, wacom_be16_to_cpu(&data[2]));
- input_report_abs(input, ABS_Y, wacom_be16_to_cpu(&data[4]));
+ input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
+ input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
}
@@ -661,10 +659,10 @@ static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
switch (data[0]) {
case WACOM_REPORT_TPC1FG:
- input_report_abs(input, ABS_X, wacom_le16_to_cpu(&data[2]));
- input_report_abs(input, ABS_Y, wacom_le16_to_cpu(&data[4]));
- input_report_abs(input, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
- input_report_key(input, BTN_TOUCH, wacom_le16_to_cpu(&data[6]));
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+ input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
+ input_report_key(input, BTN_TOUCH, le16_to_cpup((__le16 *)&data[6]));
input_report_abs(input, ABS_MISC, wacom->id[0]);
input_report_key(input, wacom->tool[0], 1);
break;
@@ -700,8 +698,8 @@ static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
break;
}
} else {
- input_report_abs(input, ABS_X, wacom_le16_to_cpu(&data[1]));
- input_report_abs(input, ABS_Y, wacom_le16_to_cpu(&data[3]));
+ input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
input_report_key(input, BTN_TOUCH, 1);
input_report_abs(input, ABS_MISC, wacom->id[0]);
input_report_key(input, wacom->tool[0], 1);
@@ -772,8 +770,8 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
}
input_report_key(input, BTN_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
- input_report_abs(input, ABS_X, wacom_le16_to_cpu(&data[2]));
- input_report_abs(input, ABS_Y, wacom_le16_to_cpu(&data[4]));
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
pressure = ((data[7] & 0x01) << 8) | data[6];
if (pressure < 0)
pressure = features->pressure_max + pressure + 1;