summaryrefslogtreecommitdiff
path: root/drivers/input/tablet
diff options
context:
space:
mode:
authorJason Gerecke <killertofu@gmail.com>2014-05-15 03:53:30 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-05-15 05:47:08 +0400
commitedc8e20af7f7e18b2cd4d11f344f5fc917fbef42 (patch)
treee28e3db12d30d2f3686ee02237b1185432b5b912 /drivers/input/tablet
parent879f99ef2c4c05d9a7f0a67a05f1415663119825 (diff)
downloadlinux-edc8e20af7f7e18b2cd4d11f344f5fc917fbef42.tar.xz
Input: wacom - use unaligned access where necessary
A few cases of incorrectly using 'le16_to_cpup' instead of 'get_unaligned_le16' have been noticed and fixed. Signed-off-by: Jason Gerecke <killertofu@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/tablet')
-rw-r--r--drivers/input/tablet/wacom_wac.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index fb6678e21e5f..f1430d825e43 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -928,12 +928,12 @@ static int wacom_24hdt_irq(struct wacom_wac *wacom)
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
- int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
- int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
- int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
- int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
- int w = le16_to_cpup((__le16 *)&data[offset + 10]);
- int h = le16_to_cpup((__le16 *)&data[offset + 12]);
+ int t_x = get_unaligned_le16(&data[offset + 2]);
+ int c_x = get_unaligned_le16(&data[offset + 4]);
+ int t_y = get_unaligned_le16(&data[offset + 6]);
+ int c_y = get_unaligned_le16(&data[offset + 8]);
+ int w = get_unaligned_le16(&data[offset + 10]);
+ int h = get_unaligned_le16(&data[offset + 12]);
input_report_abs(input, ABS_MT_POSITION_X, t_x);
input_report_abs(input, ABS_MT_POSITION_Y, t_y);
@@ -978,7 +978,7 @@ static int wacom_mt_touch(struct wacom_wac *wacom)
for (i = 0; i < contacts_to_send; i++) {
int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
bool touch = data[offset] & 0x1;
- int id = le16_to_cpup((__le16 *)&data[offset + 1]);
+ int id = get_unaligned_le16(&data[offset + 1]);
int slot = input_mt_get_slot_by_key(input, id);
if (slot < 0)
@@ -987,8 +987,8 @@ static int wacom_mt_touch(struct wacom_wac *wacom)
input_mt_slot(input, slot);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
- int x = le16_to_cpup((__le16 *)&data[offset + x_offset + 7]);
- int y = le16_to_cpup((__le16 *)&data[offset + x_offset + 9]);
+ int x = get_unaligned_le16(&data[offset + x_offset + 7]);
+ int y = get_unaligned_le16(&data[offset + x_offset + 9]);
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
}