From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Subject: [PATCH 2/5] Input: zforce_ts: Reject open if initialization not finished Date: Wed, 20 Apr 2016 08:54:42 +0200 Message-ID: <1461135285-17582-2-git-send-email-dirk.behme@de.bosch.com> References: <1461135285-17582-1-git-send-email-dirk.behme@de.bosch.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from smtp6-v.fe.bosch.de ([139.15.237.11]:55480 "EHLO smtp6-v.fe.bosch.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752806AbcDTGyw (ORCPT ); Wed, 20 Apr 2016 02:54:52 -0400 Received: from vsmta11.fe.internet.bosch.com (unknown [10.4.98.51]) by imta23.fe.bosch.de (Postfix) with ESMTP id 21412158016B for ; Wed, 20 Apr 2016 08:54:50 +0200 (CEST) Received: from FE-HUB1000.de.bosch.com (vsgw22.fe.internet.bosch.com [10.4.98.11]) by vsmta11.fe.internet.bosch.com (Postfix) with ESMTP id CB5AE2380356 for ; Wed, 20 Apr 2016 08:54:49 +0200 (CEST) In-Reply-To: <1461135285-17582-1-git-send-email-dirk.behme@de.bosch.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: linux-input@vger.kernel.org, Dmitry Torokhov , Henrik Rydberg , Javier Martinez Canillas Cc: Oleksij Rempel , Oleksij Rempel , Knut Wohlrab , Dirk Behme From: Oleksij Rempel Response EAGAIN when opening the device while BOOT_COMPLETE notification is not received and initialization of the zForce touch controller is not finished. Signed-off-by: Oleksij Rempel Signed-off-by: Knut Wohlrab Signed-off-by: Dirk Behme --- drivers/input/touchscreen/zforce_ts.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 0c08220..ddfc120 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -690,6 +690,10 @@ static int zforce_input_open(struct input_dev *dev) struct zforce_ts *ts = input_get_drvdata(dev); int ret; + /* if not probed try again later */ + if (ts->state == ZF_STATE_UNINITIALZED) + return -EAGAIN; + ret = zforce_start(ts); if (ret) return ret; -- 2.8.0