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[2/2] input: egalax: report end state in suspend callback

Message ID 1388455601-17033-3-git-send-email-eu@felipetonello.com (mailing list archive)
State New, archived
Headers show

Commit Message

Felipe F. Tonello Dec. 31, 2013, 2:06 a.m. UTC 
From: "Felipe F. Tonello" <eu@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 <eu@felipetonello.com>
---
 drivers/input/touchscreen/egalax_ts.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

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;
 }