From patchwork Mon Aug 29 18:15:19 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Hilman X-Patchwork-Id: 1109802 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7TIGv0K014114 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 29 Aug 2011 18:17:18 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qy6Nx-0000tY-HW; Mon, 29 Aug 2011 18:16:37 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Qy6Nx-0008C9-4F; Mon, 29 Aug 2011 18:16:37 +0000 Received: from na3sys009aog110.obsmtp.com ([74.125.149.203]) by canuck.infradead.org with smtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qy6MO-00080F-B9 for linux-arm-kernel@lists.infradead.org; Mon, 29 Aug 2011 18:15:01 +0000 Received: from mail-gx0-f181.google.com ([209.85.161.181]) (using TLSv1) by na3sys009aob110.postini.com ([74.125.148.12]) with SMTP ID DSNKTlvXIswi87K76foUJYWdZYEtGCizWRAk@postini.com; Mon, 29 Aug 2011 11:15:00 PDT Received: by mail-gx0-f181.google.com with SMTP id 9so2042203gxk.12 for ; Mon, 29 Aug 2011 11:14:58 -0700 (PDT) Received: by 10.142.207.19 with SMTP id e19mr2518548wfg.312.1314641698501; Mon, 29 Aug 2011 11:14:58 -0700 (PDT) Received: from localhost.localdomain (c-24-19-7-36.hsd1.wa.comcast.net. [24.19.7.36]) by mx.google.com with ESMTPS id e3sm19639386pbi.7.2011.08.29.11.14.56 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 29 Aug 2011 11:14:57 -0700 (PDT) From: Kevin Hilman To: linux-omap@vger.kernel.org Subject: [PATCH 3/5] OMAP4: PM: TWL6030: address 0V conversions Date: Mon, 29 Aug 2011 11:15:19 -0700 Message-Id: <1314641721-5172-4-git-send-email-khilman@ti.com> X-Mailer: git-send-email 1.7.6 In-Reply-To: <1314641721-5172-1-git-send-email-khilman@ti.com> References: <1314641721-5172-1-git-send-email-khilman@ti.com> X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110829_141500_652217_E09390BF X-CRM114-Status: GOOD ( 11.45 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [74.125.149.203 listed in list.dnswl.org] Cc: linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Mon, 29 Aug 2011 18:17:18 +0000 (UTC) From: Nishanth Menon 0V conversions should be mapped to 0 as it is meant to denote off voltages. Signed-off-by: Nishanth Menon --- arch/arm/mach-omap2/omap_twl.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c index 5def7c2..b30adf3 100644 --- a/arch/arm/mach-omap2/omap_twl.c +++ b/arch/arm/mach-omap2/omap_twl.c @@ -95,6 +95,8 @@ static unsigned long twl6030_vsel_to_uv(const u8 vsel) is_offset_valid = true; } + if (!vsel) + return 0; /* * There is no specific formula for voltage to vsel * conversion above 1.3V. There are special hardcoded @@ -127,6 +129,8 @@ static u8 twl6030_uv_to_vsel(unsigned long uv) is_offset_valid = true; } + if (!uv) + return 0x00; /* * There is no specific formula for voltage to vsel * conversion above 1.3V. There are special hardcoded