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-rw-r--r--drivers/input/mouse/alps.c2
-rw-r--r--drivers/input/mouse/elan_i2c_smbus.c22
-rw-r--r--drivers/input/mouse/synaptics.c6
3 files changed, 18 insertions, 12 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 0a67f235ba88..38f9501acdf0 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -583,7 +583,7 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f));
y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f));
- z = packet[4] & 0x7c;
+ z = packet[4] & 0x7f;
/*
* The x and y values tend to be quite large, and when used
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index 29f99529b187..cfcb32559925 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -130,7 +130,7 @@ static int elan_smbus_get_baseline_data(struct i2c_client *client,
bool max_baseline, u8 *value)
{
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
max_baseline ?
@@ -149,7 +149,7 @@ static int elan_smbus_get_version(struct i2c_client *client,
bool iap, u8 *version)
{
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
iap ? ETP_SMBUS_IAP_VERSION_CMD :
@@ -170,7 +170,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
u8 *clickpad)
{
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
ETP_SMBUS_SM_VERSION_CMD, val);
@@ -188,7 +188,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id)
{
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
ETP_SMBUS_UNIQUEID_CMD, val);
@@ -205,7 +205,7 @@ static int elan_smbus_get_checksum(struct i2c_client *client,
bool iap, u16 *csum)
{
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
iap ? ETP_SMBUS_FW_CHECKSUM_CMD :
@@ -226,7 +226,7 @@ static int elan_smbus_get_max(struct i2c_client *client,
{
int ret;
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
ret = i2c_smbus_read_block_data(client, ETP_SMBUS_RANGE_CMD, val);
if (ret != 3) {
@@ -246,7 +246,7 @@ static int elan_smbus_get_resolution(struct i2c_client *client,
{
int ret;
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
ret = i2c_smbus_read_block_data(client, ETP_SMBUS_RESOLUTION_CMD, val);
if (ret != 3) {
@@ -267,7 +267,7 @@ static int elan_smbus_get_num_traces(struct i2c_client *client,
{
int ret;
int error;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
ret = i2c_smbus_read_block_data(client, ETP_SMBUS_XY_TRACENUM_CMD, val);
if (ret != 3) {
@@ -294,7 +294,7 @@ static int elan_smbus_iap_get_mode(struct i2c_client *client,
{
int error;
u16 constant;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client, ETP_SMBUS_IAP_CTRL_CMD, val);
if (error < 0) {
@@ -345,7 +345,7 @@ static int elan_smbus_prepare_fw_update(struct i2c_client *client)
int len;
int error;
enum tp_mode mode;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
u8 cmd[4] = {0x0F, 0x78, 0x00, 0x06};
u16 password;
@@ -419,7 +419,7 @@ static int elan_smbus_write_fw_block(struct i2c_client *client,
struct device *dev = &client->dev;
int error;
u16 result;
- u8 val[3];
+ u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
/*
* Due to the limitation of smbus protocol limiting
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 60f2c463d1cc..a9591d278145 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -172,6 +172,12 @@ static const char * const smbus_pnp_ids[] = {
"LEN0048", /* X1 Carbon 3 */
"LEN0046", /* X250 */
"LEN004a", /* W541 */
+ "LEN0071", /* T480 */
+ "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
+ "LEN0073", /* X1 Carbon G5 (Elantech) */
+ "LEN0092", /* X1 Carbon 6 */
+ "LEN0096", /* X280 */
+ "LEN0097", /* X280 -> ALPS trackpoint */
"LEN200f", /* T450s */
NULL
};