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: 1109972 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p7TIV6eq013033 for ; Mon, 29 Aug 2011 18:38:10 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754609Ab1H2SO7 (ORCPT ); Mon, 29 Aug 2011 14:14:59 -0400 Received: from na3sys009aog124.obsmtp.com ([74.125.149.151]:52282 "EHLO na3sys009aog124.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754416Ab1H2SO7 (ORCPT ); Mon, 29 Aug 2011 14:14:59 -0400 Received: from mail-pz0-f47.google.com ([209.85.210.47]) (using TLSv1) by na3sys009aob124.postini.com ([74.125.148.12]) with SMTP ID DSNKTlvXIswi87K76foUJYWdZYEtGCizWRAk@postini.com; Mon, 29 Aug 2011 11:14:58 PDT Received: by mail-pz0-f47.google.com with SMTP id 2so11291373pzk.6 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 Cc: linux-arm-kernel@lists.infradead.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> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 29 Aug 2011 18:38:12 +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