From patchwork Thu Sep 4 21:43:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 4848131 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 AE197C0338 for ; Thu, 4 Sep 2014 21:43:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C156820274 for ; Thu, 4 Sep 2014 21:43:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 594AF2028D for ; Thu, 4 Sep 2014 21:43:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755540AbaIDVnw (ORCPT ); Thu, 4 Sep 2014 17:43:52 -0400 Received: from mail.kapsi.fi ([217.30.184.167]:52914 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754470AbaIDVnv (ORCPT ); Thu, 4 Sep 2014 17:43:51 -0400 Received: from dyn3-82-128-191-243.psoas.suomi.net ([82.128.191.243] helo=localhost.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1XPeoo-0001rY-2z; Fri, 05 Sep 2014 00:43:50 +0300 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [PATCH 1/3] dvb-usb-v2: add frontend_detach callback Date: Fri, 5 Sep 2014 00:43:41 +0300 Message-Id: <1409867023-8362-1-git-send-email-crope@iki.fi> X-Mailer: git-send-email 1.9.3 X-SA-Exim-Connect-IP: 82.128.191.243 X-SA-Exim-Mail-From: crope@iki.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-8.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 Add frontend_detach callback in order to allow custom detach. It is needed when demod driver is implemented I2C client or some other kernel bus, but not proprietary dvb_attach / dvb_detach. Signed-off-by: Antti Palosaari --- drivers/media/usb/dvb-usb-v2/dvb_usb.h | 2 ++ drivers/media/usb/dvb-usb-v2/dvb_usb_core.c | 16 +++++++++++++--- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h b/drivers/media/usb/dvb-usb-v2/dvb_usb.h index 124b4ba..7e36ee0 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb.h +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb.h @@ -214,6 +214,7 @@ struct dvb_usb_adapter_properties { * @read_config: called to resolve device configuration * @read_mac_address: called to resolve adapter mac-address * @frontend_attach: called to attach the possible frontends + * @frontend_detach: called to detach the possible frontends * @tuner_attach: called to attach the possible tuners * @frontend_ctrl: called to power on/off active frontend * @streaming_ctrl: called to start/stop the usb streaming of adapter @@ -254,6 +255,7 @@ struct dvb_usb_device_properties { int (*read_config) (struct dvb_usb_device *d); int (*read_mac_address) (struct dvb_usb_adapter *, u8 []); int (*frontend_attach) (struct dvb_usb_adapter *); + int (*frontend_detach)(struct dvb_usb_adapter *); int (*tuner_attach) (struct dvb_usb_adapter *); int (*frontend_ctrl) (struct dvb_frontend *, int); int (*streaming_ctrl) (struct dvb_frontend *, int); diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c index 6c33d85..92bb297 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c @@ -664,9 +664,10 @@ err: static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap) { - int i; - dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, - adap->id); + int ret, i; + struct dvb_usb_device *d = adap_to_d(adap); + + dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) { if (adap->fe[i]) { @@ -675,6 +676,15 @@ static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap) } } + if (d->props->frontend_detach) { + ret = d->props->frontend_detach(adap); + if (ret < 0) { + dev_dbg(&d->udev->dev, + "%s: frontend_detach() failed=%d\n", + __func__, ret); + } + } + return 0; }