From patchwork Thu Oct 2 05:21:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schwarzott X-Patchwork-Id: 5016321 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 D3DD0BEEA6 for ; Thu, 2 Oct 2014 05:21:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 19C4520204 for ; Thu, 2 Oct 2014 05:21:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31B8D2011B for ; Thu, 2 Oct 2014 05:21:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751958AbaJBFVl (ORCPT ); Thu, 2 Oct 2014 01:21:41 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:43014 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751743AbaJBFVk (ORCPT ); Thu, 2 Oct 2014 01:21:40 -0400 Received: from gauss.fritz.box (aftr-88-217-180-132.dynamic.mnet-online.de [88.217.180.132]) (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 4A3DB34035E; Thu, 2 Oct 2014 05:21:39 +0000 (UTC) From: Matthias Schwarzott To: linux-media@vger.kernel.org, mchehab@osg.samsung.com, crope@iki.fi Cc: Matthias Schwarzott Subject: [PATCH V3 13/13] cx231xx: scan all four existing i2c busses instead of the 3 masters Date: Thu, 2 Oct 2014 07:21:05 +0200 Message-Id: <1412227265-17453-14-git-send-email-zzam@gentoo.org> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1412227265-17453-1-git-send-email-zzam@gentoo.org> References: <1412227265-17453-1-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=-7.9 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 The scanning itself just fails (as before this series) but now the correct busses are scanned. V2: Changed to symbolic names where muxed adapters can be seen directly. V3: Comment about scanning busses ordered by physical port numbers. Signed-off-by: Matthias Schwarzott Reviewed-by: Antti Palosaari --- drivers/media/usb/cx231xx/cx231xx-core.c | 6 ++++++ drivers/media/usb/cx231xx/cx231xx-i2c.c | 8 ++++---- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index c49022f..9b5cd9e 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -1303,6 +1303,12 @@ int cx231xx_dev_init(struct cx231xx *dev) cx231xx_i2c_mux_register(dev, 0); cx231xx_i2c_mux_register(dev, 1); + /* scan the real bus segments in the order of physical port numbers */ + cx231xx_do_i2c_scan(dev, I2C_0); + cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); + cx231xx_do_i2c_scan(dev, I2C_2); + cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); + /* init hardware */ /* Note : with out calling set power mode function, afe can not be set up correctly */ diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index dc9c478..ec51bde 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -492,6 +492,9 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port) int i, rc; struct i2c_client client; + if (!i2c_scan) + return; + memset(&client, 0, sizeof(client)); client.adapter = cx231xx_get_i2c_adap(dev, i2c_port); @@ -529,10 +532,7 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus) i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev); i2c_add_adapter(&bus->i2c_adap); - if (0 == bus->i2c_rc) { - if (i2c_scan) - cx231xx_do_i2c_scan(dev, bus->nr); - } else + if (0 != bus->i2c_rc) cx231xx_warn("%s: i2c bus %d register FAILED\n", dev->name, bus->nr);