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: 26134 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1XX1I7-0007u9-EK; Thu, 25 Sep 2014 07:08:31 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-7) with esmtp id 1XX1I5-0005MD-1n; Thu, 25 Sep 2014 07:08:31 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751978AbaIYFI1 (ORCPT + 1 other); 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-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2014.9.25.50019 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1400_1499 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' 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;