From patchwork Fri Mar 31 12:20:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 9656173 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 08A25601D2 for ; Fri, 31 Mar 2017 12:21:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE00E2869C for ; Fri, 31 Mar 2017 12:21:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DA26028691; Fri, 31 Mar 2017 12:21:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7BF7D28691 for ; Fri, 31 Mar 2017 12:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933029AbdCaMVD (ORCPT ); Fri, 31 Mar 2017 08:21:03 -0400 Received: from lb1-smtp-cloud2.xs4all.net ([194.109.24.21]:55526 "EHLO lb1-smtp-cloud2.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932965AbdCaMUx (ORCPT ); Fri, 31 Mar 2017 08:20:53 -0400 Received: from marune.fritz.box ([IPv6:2001:983:e9a7:1:ef31:4dcf:822e:7392]) by smtp-cloud2.xs4all.net with ESMTP id 2cLc1v00d3YS7uB01cLm3q; Fri, 31 Mar 2017 14:20:47 +0200 From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Daniel Vetter , Russell King , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, Krzysztof Kozlowski , Inki Dae , Marek Szyprowski , Javier Martinez Canillas , Benjamin Gaignard , Patrice.chotard@st.com, Hans Verkuil Subject: [PATCHv6 02/10] cec: integrate CEC notifier support Date: Fri, 31 Mar 2017 14:20:28 +0200 Message-Id: <20170331122036.55706-3-hverkuil@xs4all.nl> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170331122036.55706-1-hverkuil@xs4all.nl> References: <20170331122036.55706-1-hverkuil@xs4all.nl> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hans Verkuil Support the CEC notifier framework, simplifying drivers that depend on this. Signed-off-by: Hans Verkuil Tested-by: Marek Szyprowski Tested-by: Benjamin Gaignard Acked-by: Daniel Vetter --- drivers/media/cec/cec-core.c | 22 ++++++++++++++++++++++ include/media/cec.h | 10 ++++++++++ 2 files changed, 32 insertions(+) diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c index 37217e205040..e5070b374276 100644 --- a/drivers/media/cec/cec-core.c +++ b/drivers/media/cec/cec-core.c @@ -195,6 +195,24 @@ static void cec_devnode_unregister(struct cec_devnode *devnode) put_device(&devnode->dev); } +#ifdef CONFIG_MEDIA_CEC_NOTIFIER +static void cec_cec_notify(struct cec_adapter *adap, u16 pa) +{ + cec_s_phys_addr(adap, pa, false); +} + +void cec_register_cec_notifier(struct cec_adapter *adap, + struct cec_notifier *notifier) +{ + if (WARN_ON(!adap->devnode.registered)) + return; + + adap->notifier = notifier; + cec_notifier_register(adap->notifier, adap, cec_cec_notify); +} +EXPORT_SYMBOL_GPL(cec_register_cec_notifier); +#endif + struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops, void *priv, const char *name, u32 caps, u8 available_las) @@ -343,6 +361,10 @@ void cec_unregister_adapter(struct cec_adapter *adap) adap->rc = NULL; #endif debugfs_remove_recursive(adap->cec_dir); +#ifdef CONFIG_MEDIA_CEC_NOTIFIER + if (adap->notifier) + cec_notifier_unregister(adap->notifier); +#endif cec_devnode_unregister(&adap->devnode); } EXPORT_SYMBOL_GPL(cec_unregister_adapter); diff --git a/include/media/cec.h b/include/media/cec.h index 96a0aa770d61..307f5dcaf034 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -30,6 +30,7 @@ #include #include #include +#include /** * struct cec_devnode - cec device node @@ -173,6 +174,10 @@ struct cec_adapter { bool passthrough; struct cec_log_addrs log_addrs; +#ifdef CONFIG_MEDIA_CEC_NOTIFIER + struct cec_notifier *notifier; +#endif + struct dentry *cec_dir; struct dentry *status_file; @@ -213,6 +218,11 @@ void cec_transmit_done(struct cec_adapter *adap, u8 status, u8 arb_lost_cnt, u8 nack_cnt, u8 low_drive_cnt, u8 error_cnt); void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg); +#ifdef CONFIG_MEDIA_CEC_NOTIFIER +void cec_register_cec_notifier(struct cec_adapter *adap, + struct cec_notifier *notifier); +#endif + #else static inline int cec_register_adapter(struct cec_adapter *adap,