[PATCH 1/2] Input: elan_i2c - Add new trackpoint report type 0x5F.

From: jingle.wu
Date: Mon Dec 07 2020 - 03:51:34 EST


The 0x5F is new trackpoint report type of some module.

Signed-off-by: Jingle Wu <jingle.wu@xxxxxxxxxx>
---
drivers/input/mouse/elan_i2c_core.c | 2 ++
drivers/input/mouse/elan_i2c_smbus.c | 3 ++-
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 61ed3f5ca219..8f0c4663167c 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -52,6 +52,7 @@
#define ETP_REPORT_ID 0x5D
#define ETP_REPORT_ID2 0x60 /* High precision report */
#define ETP_TP_REPORT_ID 0x5E
+#define ETP_TP_REPORT_ID2 0x5F
#define ETP_REPORT_ID_OFFSET 2
#define ETP_TOUCH_INFO_OFFSET 3
#define ETP_FINGER_DATA_OFFSET 4
@@ -1076,6 +1077,7 @@ static irqreturn_t elan_isr(int irq, void *dev_id)
elan_report_absolute(data, report, true);
break;
case ETP_TP_REPORT_ID:
+ case ETP_TP_REPORT_ID2:
elan_report_trackpoint(data, report);
break;
default:
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index 1820f1cfc1dc..1226d47ec3cf 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
@@ -497,7 +498,7 @@ static int elan_smbus_get_report(struct i2c_client *client,
return len;
}

- if (len != ETP_SMBUS_REPORT_LEN) {
+ if ((len != ETP_SMBUS_REPORT_LEN) && (len != ETP_SMBUS_REPORT_LEN2)) {
dev_err(&client->dev,
"wrong report length (%d vs %d expected)\n",
len, ETP_SMBUS_REPORT_LEN);
--
2.17.1