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-rw-r--r--drivers/input/touchscreen/elants_i2c.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index b0bd5bb079be..c8d7bdd34c7a 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -134,6 +134,7 @@ struct elants_data {
u8 bc_version;
u8 iap_version;
u16 hw_version;
+ u8 major_res;
unsigned int x_res; /* resolution in units/mm */
unsigned int y_res;
unsigned int x_max;
@@ -459,6 +460,9 @@ static int elants_i2c_query_ts_info(struct elants_data *ts)
rows = resp[2] + resp[6] + resp[10];
cols = resp[3] + resp[7] + resp[11];
+ /* Get report resolution value of ABS_MT_TOUCH_MAJOR */
+ ts->major_res = resp[16];
+
/* Process mm_to_pixel information */
error = elants_i2c_execute_command(client,
get_osr_cmd, sizeof(get_osr_cmd),
@@ -1325,6 +1329,8 @@ static int elants_i2c_probe(struct i2c_client *client,
0, MT_TOOL_PALM, 0, 0);
input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
+ if (ts->major_res > 0)
+ input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, ts->major_res);
touchscreen_parse_properties(ts->input, true, &ts->prop);