touch: fst2: add input device unique ID

Add the unique ID to let input device to associate with specific
display.

Bug: 193085179

Signed-off-by: davidycchen <davidycchen@google.com>
Change-Id: I9d1f819b225a3053fd950e64fc381b9e5f4140ab

1 files changed, 1 insertions, 0 deletions

diff --git a/fst2/fts.c b/fst2/fts.c
index 2e9b797..b1820e9 100644
--- a/fst2/fts.c
+++ b/fst2/fts.c
@@ -1235,6 +1235,7 @@ static int fts_probe(struct spi_device *client)
 	snprintf(fts_ts_phys, sizeof(fts_ts_phys), "%s/input0",
 		 info->input_dev->name);
 	info->input_dev->phys = fts_ts_phys;
+	info->input_dev->uniq = "fts";
 	info->input_dev->id.bustype = bus_type;
 	info->input_dev->id.vendor = 0x0001;
 	info->input_dev->id.product = 0x0002;