From: "Felipe F. Tonello" <e...@felipetonello.com>
Make sure user-space will receive the touch end event even if the device
driver suspends while touchscreen is still active (with fingers touching it).
Signed-off-by: Felipe F. Tonello <e...@felipetonello.com>
---
drivers/input/touchscreen/egalax_ts.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/input/touchscreen/egalax_ts.c
b/drivers/input/touchscreen/egalax_ts.c
index 054d225..9cf4cdb 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -247,8 +247,13 @@ static int egalax_ts_suspend(struct device *dev)
0x3, 0x6, 0xa, 0x3, 0x36, 0x3f, 0x2, 0, 0, 0
};
struct i2c_client *client = to_i2c_client(dev);
+ struct egalax_ts *ts = i2c_get_clientdata(client);
int ret;
+ input_mt_report_end_state(ts->input_dev);
+ input_mt_report_pointer_emulation(ts->input_dev, true);
+ input_sync(ts->input_dev);
+
ret = i2c_master_send(client, suspend_cmd, MAX_I2C_DATA_LEN);
return ret > 0 ? 0 : ret;
}
--
1.8.3.1
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