From patchwork Thu Sep 25 05:07:59 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schwarzott X-Patchwork-Id: 4973001 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1D67BBEEA7 for ; Thu, 25 Sep 2014 05:08:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5DC82202AE for ; Thu, 25 Sep 2014 05:08:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 75C32202A1 for ; Thu, 25 Sep 2014 05:08:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751978AbaIYFI1 (ORCPT ); Thu, 25 Sep 2014 01:08:27 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:43846 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751895AbaIYFI0 (ORCPT ); Thu, 25 Sep 2014 01:08:26 -0400 Received: from gauss.fritz.box (aftr-88-217-181-51.dynamic.mnet-online.de [88.217.181.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: zzam) by smtp.gentoo.org (Postfix) with ESMTPSA id 94BCB3401E7; Thu, 25 Sep 2014 05:08:24 +0000 (UTC) From: Matthias Schwarzott To: linux-media@vger.kernel.org, mchehab@osg.samsung.com Cc: Matthias Schwarzott Subject: [PATCH 07/12] cx231xx: remember status of port_3 switch Date: Thu, 25 Sep 2014 07:07:59 +0200 Message-Id: <1411621684-8295-7-git-send-email-zzam@gentoo.org> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1411621684-8295-1-git-send-email-zzam@gentoo.org> References: <1411621684-8295-1-git-send-email-zzam@gentoo.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Is remembering stable enough, or must this state be queried from the register when needed. Signed-off-by: Matthias Schwarzott --- drivers/media/usb/cx231xx/cx231xx-avcore.c | 3 +++ drivers/media/usb/cx231xx/cx231xx.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/media/usb/cx231xx/cx231xx-avcore.c b/drivers/media/usb/cx231xx/cx231xx-avcore.c index 51872b9..d31ea57 100644 --- a/drivers/media/usb/cx231xx/cx231xx-avcore.c +++ b/drivers/media/usb/cx231xx/cx231xx-avcore.c @@ -1294,6 +1294,9 @@ int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3) status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, PWR_CTL_EN, value, 4); + if (status >= 0) + dev->port_3_switch_enabled = is_port_3; + return status; } diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h index 2118d00..cefeb30 100644 --- a/drivers/media/usb/cx231xx/cx231xx.h +++ b/drivers/media/usb/cx231xx/cx231xx.h @@ -628,6 +628,7 @@ struct cx231xx { /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ struct cx231xx_i2c i2c_bus[3]; unsigned int xc_fw_load_done:1; + unsigned int port_3_switch_enabled:1; /* locks */ struct mutex gpio_i2c_lock; struct mutex i2c_lock;