From patchwork Wed Oct 1 05:20:21 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schwarzott X-Patchwork-Id: 26258 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1XZCLW-0000gw-D8; Wed, 01 Oct 2014 07:21:02 +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-6) with esmtp id 1XZCLU-0007QR-58; Wed, 01 Oct 2014 07:21:02 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751470AbaJAFUy (ORCPT + 1 other); Wed, 1 Oct 2014 01:20:54 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:34783 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751308AbaJAFUv (ORCPT ); Wed, 1 Oct 2014 01:20:51 -0400 Received: from gauss.fritz.box (aftr-88-217-180-138.dynamic.mnet-online.de [88.217.180.138]) (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 74B0B3402FB; Wed, 1 Oct 2014 05:20:50 +0000 (UTC) From: Matthias Schwarzott To: linux-media@vger.kernel.org, mchehab@osg.samsung.com, crope@iki.fi Cc: Matthias Schwarzott Subject: [PATCH V2 13/13] cx231xx: scan all four existing i2c busses instead of the 3 masters Date: Wed, 1 Oct 2014 07:20:21 +0200 Message-Id: <1412140821-16285-14-git-send-email-zzam@gentoo.org> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1412140821-16285-1-git-send-email-zzam@gentoo.org> References: <1412140821-16285-1-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: 2014.10.1.50919 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_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __C230066_P1_2 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 ' 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. 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..60dbbbb 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 */ + 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 bb82e6d..0df50d3 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); @@ -533,10 +536,7 @@ 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);