From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Subject: [PATCH v2 2/4] Input: zforce_ts: Reject open if initialization not finished Date: Tue, 3 May 2016 12:41:48 +0200 Message-ID: <1462272110-24610-3-git-send-email-dirk.behme@de.bosch.com> References: <1462272110-24610-1-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]:47307 "EHLO smtp6-v.fe.bosch.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755906AbcECKlz (ORCPT ); Tue, 3 May 2016 06:41:55 -0400 Received: from vsmta14.fe.internet.bosch.com (unknown [10.4.98.54]) by imta24.fe.bosch.de (Postfix) with ESMTP id 157D8D80101 for ; Tue, 3 May 2016 12:41:54 +0200 (CEST) Received: from FE-HUB1001.de.bosch.com (vsgw24.fe.internet.bosch.com [10.4.98.24]) by vsmta14.fe.internet.bosch.com (Postfix) with ESMTP id BE65DA40562 for ; Tue, 3 May 2016 12:41:53 +0200 (CEST) In-Reply-To: <1462272110-24610-1-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 From: Oleksij Rempel Response EAGAIN when open 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 --- 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 9839d86..fc0edd6 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; -- 1.9.1