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authorJingle Wu <jingle.wu@emc.com.tw>2020-12-11 10:40:09 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2020-12-11 11:15:04 +0300
commit056115daede8d01f71732bc7d778fb85acee8eb6 (patch)
tree3571944f85baa281c98b804ebcd72e87080f393f /drivers/input
parentc18b443ca5f786e10cd84efbf4b8d1f38101b971 (diff)
downloadlinux-056115daede8d01f71732bc7d778fb85acee8eb6.tar.xz
Input: elan_i2c - add new trackpoint report type 0x5F
The 0x5F is a new trackpoint report type used by some modules. Signed-off-by: Jingle Wu <jingle.wu@emc.com.tw> Link: https://lore.kernel.org/r/20201211071511.32349-1-jingle.wu@emc.com.tw Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/mouse/elan_i2c.h16
-rw-r--r--drivers/input/mouse/elan_i2c_core.c13
-rw-r--r--drivers/input/mouse/elan_i2c_smbus.c8
3 files changed, 23 insertions, 14 deletions
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index c75b00c45d75..84bb386e97fe 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -28,6 +28,22 @@
#define ETP_FEATURE_REPORT_MK BIT(0)
+#define ETP_REPORT_ID 0x5D
+#define ETP_TP_REPORT_ID 0x5E
+#define ETP_TP_REPORT_ID2 0x5F
+#define ETP_REPORT_ID2 0x60 /* High precision report */
+
+#define ETP_REPORT_ID_OFFSET 2
+#define ETP_TOUCH_INFO_OFFSET 3
+#define ETP_FINGER_DATA_OFFSET 4
+#define ETP_HOVER_INFO_OFFSET 30
+#define ETP_MK_DATA_OFFSET 33 /* For high precision reports */
+
+#define ETP_MAX_REPORT_LEN 39
+
+#define ETP_MAX_FINGERS 5
+#define ETP_FINGER_DATA_LEN 5
+
/* IAP Firmware handling */
#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0"
#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 65d21a050cea..3a8b9e890010 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -46,18 +46,6 @@
#define ETP_FINGER_WIDTH 15
#define ETP_RETRY_COUNT 3
-#define ETP_MAX_FINGERS 5
-#define ETP_FINGER_DATA_LEN 5
-#define ETP_REPORT_ID 0x5D
-#define ETP_REPORT_ID2 0x60 /* High precision report */
-#define ETP_TP_REPORT_ID 0x5E
-#define ETP_REPORT_ID_OFFSET 2
-#define ETP_TOUCH_INFO_OFFSET 3
-#define ETP_FINGER_DATA_OFFSET 4
-#define ETP_HOVER_INFO_OFFSET 30
-#define ETP_MK_DATA_OFFSET 33 /* For high precision reports */
-#define ETP_MAX_REPORT_LEN 39
-
/* The main device structure */
struct elan_tp_data {
struct i2c_client *client;
@@ -1074,6 +1062,7 @@ 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 8ff823751f3b..1f38fab1825a 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;
}