From patchwork Tue May 12 22:22:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Ond=C5=99ej_Jirman?= X-Patchwork-Id: 11544223 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B3D3139A for ; Tue, 12 May 2020 22:22:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 161C22312A for ; Tue, 12 May 2020 22:22:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tYqLyFoK"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=megous.com header.i=@megous.com header.b="SO6+Q+T4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 161C22312A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=megous.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=D+O8UQ+Hvx7LBa7SBmixEVKuBPqfAJ2pRSF//55U9zc=; b=tYqLyFoKc6+6UJ qXbwgWsHDt/uMJTELmW4RHLw7nL/MW3AV8MY83szf+7D14hiNWxwSNaDtBobvggQlPGkX1HhzEvck 1x7eNEeuEa6Tf1vaXqqPh0aLieV9sR3NiRdAhPqh22AMF/N+247rDR/olL5HaXBYS6xfJSDqnde6F 83HuJq984cPz1DWI7qonlGNHlVkU6fsmBN6l7KnEA3EhHb8OmH/FsmU2wk1p7qGWSitcznRZJk1MD GZWGFavTERls/fhHrhV3ayQZ7H2Fpt6GNnftLyeq7xF2VJYcd51RnlsUi2JUD7kbfnF1ys5kUvxfd XRFb1EklFzUXNz7jhkIA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYdI3-0002CR-63; Tue, 12 May 2020 22:22:19 +0000 Received: from vps.xff.cz ([195.181.215.36]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYdHz-0002A5-QQ for linux-arm-kernel@lists.infradead.org; Tue, 12 May 2020 22:22:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1589322129; bh=8NnK5CsraaZezbyEm3ALbCdiOU7kYIlUQyLKmB3n8RA=; h=From:To:Cc:Subject:Date:References:From; b=SO6+Q+T41K4T2JL05TZZ2IY/e+nGZgKFEXLbxmq9QBlFYcu5A7X8teO00J4r4Tw2U wS6ZXVfwNFYJ1j+H58opUYdoszBJijDY3fkwh22g1xi3N0quarcGWyHpL3Wy1+Rn3G /0+dNsie3axkhfAn8fV8ZjFo/1jrPmHs7umY8phQ= From: Ondrej Jirman To: linux-sunxi@googlegroups.com, Dmitry Torokhov , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai Subject: [PATCH v2 2/4] input: gpio-vibra: Allow to use vcc-supply alone to control the vibrator Date: Wed, 13 May 2020 00:22:03 +0200 Message-Id: <20200512222205.1456300-3-megous@megous.com> In-Reply-To: <20200512222205.1456300-1-megous@megous.com> References: <20200512222205.1456300-1-megous@megous.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200512_152216_026585_658B7203 X-CRM114-Status: GOOD ( 10.40 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ondrej Jirman , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Luca Weiss , Tomas Novotny , linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Make enable-gpio optional to allow using this driver with boards that have vibrator connected to a power supply without intermediate gpio based enable circuitry. Signed-off-by: Ondrej Jirman --- drivers/input/misc/gpio-vibra.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c index f79f75595dd7..f11877f04b43 100644 --- a/drivers/input/misc/gpio-vibra.c +++ b/drivers/input/misc/gpio-vibra.c @@ -121,7 +121,8 @@ static int gpio_vibrator_probe(struct platform_device *pdev) return err; } - vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW); + vibrator->gpio = devm_gpiod_get_optional(&pdev->dev, "enable", + GPIOD_OUT_LOW); err = PTR_ERR_OR_ZERO(vibrator->gpio); if (err) { if (err != -EPROBE_DEFER)