From patchwork Wed May 16 12:28:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Mack X-Patchwork-Id: 10403757 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5CBE7601D2 for ; Wed, 16 May 2018 12:32:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4A691288D8 for ; Wed, 16 May 2018 12:32:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F0A528926; Wed, 16 May 2018 12:32:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AA01E288D8 for ; Wed, 16 May 2018 12:32:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=697hyhWqfbWSDggZAUnYALlpVOm334LFQ3LM3dxuWe8=; b=OEjliL0Iv/IqFlIs14WJnaZahk fHBJ75HChzMkN3Eyb8EAQ7FQxrmKl6SPA+rQMEZ2pEqy59mBjQuNvzqiPDa5Lankfweew2CzF1n/N ON6lUgTltc2lET/S95njb+zqjmSNnwsjudqrfPQlD52PcXXtHnL4gpCMmaxBryi3D4/2i46DOONVr qCKMoVM00ZQPNYNZK5YD0AeW8f9O1v3DVPlS1JxBgqB61j/Y3Cfx9vhDHARKewUX8HffgS45wKktv 2K7VbZFOP6RdeFsh2Nhzt+bounh1zph2ELdmYi58NqCkXNn6DKQlYVogLd8DbnCQwRyYegO6PlhWh QtdHF4yQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fIvb9-0001vx-Bl; Wed, 16 May 2018 12:32:03 +0000 Received: from mail.bugwerft.de ([46.23.86.59]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fIvY6-0007qA-C6 for linux-arm-kernel@lists.infradead.org; Wed, 16 May 2018 12:28:58 +0000 Received: from localhost.localdomain (200116b8467d0800fc4322f50d1cf4c2.dip.versatel-1u1.de [IPv6:2001:16b8:467d:800:fc43:22f5:d1c:f4c2]) by mail.bugwerft.de (Postfix) with ESMTPSA id 8B57D282561; Wed, 16 May 2018 12:26:15 +0000 (UTC) From: Daniel Mack To: dmitry.torokhov@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com Subject: [PATCH 2/3] input: touchscreen: edt-ft5x06: assert reset during suspend Date: Wed, 16 May 2018 14:28:28 +0200 Message-Id: <20180516122829.23694-3-daniel@zonque.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180516122829.23694-1-daniel@zonque.org> References: <20180516122829.23694-1-daniel@zonque.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180516_052854_772656_119C177E X-CRM114-Status: UNSURE ( 9.62 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Daniel Mack , linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP If the device is not configured as wakeup source, it can be put in reset during suspend to save some power. Signed-off-by: Daniel Mack --- drivers/input/touchscreen/edt-ft5x06.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 955f085627fa..c34a0b23f90a 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -1036,9 +1036,12 @@ static int edt_ft5x06_ts_remove(struct i2c_client *client) static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); if (device_may_wakeup(dev)) enable_irq_wake(client->irq); + else if (tsdata->reset_gpio) + gpiod_set_value_cansleep(tsdata->reset_gpio, 1); return 0; } @@ -1046,9 +1049,12 @@ static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); if (device_may_wakeup(dev)) disable_irq_wake(client->irq); + else if (tsdata->reset_gpio) + gpiod_set_value_cansleep(tsdata->reset_gpio, 0); return 0; }