diff options
Diffstat (limited to 'drivers/input/mouse/elan_i2c_smbus.c')
| -rw-r--r-- | drivers/input/mouse/elan_i2c_smbus.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c index 1820f1cfc1dc..6dc148b9d959 100644 --- a/drivers/input/mouse/elan_i2c_smbus.c +++ b/drivers/input/mouse/elan_i2c_smbus.c @@ -45,6 +45,7 @@ #define ETP_SMBUS_CALIBRATE_QUERY 0xC5 #define ETP_SMBUS_REPORT_LEN 32 +#define ETP_SMBUS_REPORT_LEN2 7 #define ETP_SMBUS_REPORT_OFFSET 2 #define ETP_SMBUS_HELLOPACKET_LEN 5 #define ETP_SMBUS_IAP_PASSWORD 0x1234 @@ -497,10 +498,13 @@ static int elan_smbus_get_report(struct i2c_client *client, return len; } - if (len != ETP_SMBUS_REPORT_LEN) { + if (report[ETP_REPORT_ID_OFFSET] == ETP_TP_REPORT_ID2) + report_len = ETP_SMBUS_REPORT_LEN2; + + if (len != report_len) { dev_err(&client->dev, "wrong report length (%d vs %d expected)\n", - len, ETP_SMBUS_REPORT_LEN); + len, report_len); return -EIO; } |