Sometimes touchpad will be reset to mouse mode unexpectedly.
And cause invalid report detection.
I add a mouse report detection and send mode-switching command again.
Signed-off-by: KT Liao <kt.l...@emc.com.tw>
---
drivers/input/mouse/elan_i2c_core.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/input/mouse/elan_i2c_core.c
b/drivers/input/mouse/elan_i2c_core.c
index 2690a4b..56b5766 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -51,6 +51,7 @@
#define ETP_MAX_FINGERS 5
#define ETP_FINGER_DATA_LEN 5
+#define ETP_MOUSE_REPORT_ID 0x01
#define ETP_REPORT_ID 0x5D
#define ETP_TP_REPORT_ID 0x5E
#define ETP_REPORT_ID_OFFSET 2
@@ -988,6 +989,14 @@ static irqreturn_t elan_isr(int irq, void *dev_id)
case ETP_TP_REPORT_ID:
elan_report_trackpoint(data, report);
break;
+ case ETP_MOUSE_REPORT_ID:
+ dev_info(dev, "Mouse report now, mode switch again\n");
+ data->mode |= ETP_ENABLE_ABS;
+ error = data->ops->set_mode(data->client, data->mode);
+ if (error)
+ dev_err(dev, "fail to switch to absolute mode(%d)\n",
+ error);
+ break;
default:
dev_err(dev, "invalid report id data (%x)\n",
report[ETP_REPORT_ID_OFFSET]);
--
2.7.4
