From patchwork Thu Dec 15 12:50:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sean Young X-Patchwork-Id: 9476065 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 66A2460826 for ; Thu, 15 Dec 2016 12:50:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4CEBA2876D for ; Thu, 15 Dec 2016 12:50:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F4B528776; Thu, 15 Dec 2016 12:50:47 +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=ham 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 589BA28769 for ; Thu, 15 Dec 2016 12:50:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936217AbcLOMuT (ORCPT ); Thu, 15 Dec 2016 07:50:19 -0500 Received: from gofer.mess.org ([80.229.237.210]:34625 "EHLO gofer.mess.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936201AbcLOMuP (ORCPT ); Thu, 15 Dec 2016 07:50:15 -0500 Received: by gofer.mess.org (Postfix, from userid 1000) id 2DADE608E1; Thu, 15 Dec 2016 12:50:13 +0000 (GMT) From: Sean Young To: linux-media@vger.kernel.org Cc: James Hogan , =?UTF-8?q?Antti=20Sepp=C3=A4l=C3=A4?= , =?UTF-8?q?David=20H=C3=A4rdeman?= Subject: [PATCH v6 17/18] [media] rc: rc-loopback: Add loopback of filter scancodes Date: Thu, 15 Dec 2016 12:50:10 +0000 Message-Id: <31e7ed21d5a7b052073efb3207bc963bd4ec8f68.1481805635.git.sean@mess.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <041be1eef913d5653b7c74ee398cf00063116d67.1481805635.git.sean@mess.org> References: <041be1eef913d5653b7c74ee398cf00063116d67.1481805635.git.sean@mess.org> In-Reply-To: References: MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: James Hogan Add the s_wakeup_filter callback to the rc-loopback driver, which instead of setting the filter just feeds the scancode back through the input device so that it can be verified. Signed-off-by: James Hogan Signed-off-by: Antti Seppälä Signed-off-by: Sean Young Cc: David Härdeman --- drivers/media/rc/rc-loopback.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c index 4bc3f01..bd31fb1 100644 --- a/drivers/media/rc/rc-loopback.c +++ b/drivers/media/rc/rc-loopback.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #define DRIVER_NAME "rc-loopback" @@ -176,6 +177,41 @@ static int loop_set_carrier_report(struct rc_dev *dev, int enable) return 0; } +static int loop_set_wakeup_filter(struct rc_dev *dev, + struct rc_scancode_filter *sc) +{ + static const unsigned int max = 512; + struct ir_raw_event *raw; + int ret; + int i; + + /* fine to disable filter */ + if (!sc->mask) + return 0; + + /* encode the specified filter and loop it back */ + raw = kmalloc_array(max, sizeof(*raw), GFP_KERNEL); + if (!raw) + return -ENOMEM; + + ret = ir_raw_encode_scancode(dev->wakeup_protocol, sc->data, raw, max); + /* still loop back the partial raw IR even if it's incomplete */ + if (ret == -ENOBUFS) + ret = max; + if (ret >= 0) { + /* do the loopback */ + for (i = 0; i < ret; ++i) + ir_raw_event_store(dev, &raw[i]); + ir_raw_event_handle(dev); + + ret = 0; + } + + kfree(raw); + + return ret; +} + static int __init loop_init(void) { struct rc_dev *rc; @@ -196,6 +232,8 @@ static int __init loop_init(void) rc->priv = &loopdev; rc->driver_type = RC_DRIVER_IR_RAW; rc->allowed_protocols = RC_BIT_ALL_IR_DECODER; + rc->allowed_wakeup_protocols = RC_BIT_ALL_IR_ENCODER; + rc->encode_wakeup = true; rc->timeout = 100 * 1000 * 1000; /* 100 ms */ rc->min_timeout = 1; rc->max_timeout = UINT_MAX; @@ -209,6 +247,7 @@ static int __init loop_init(void) rc->s_idle = loop_set_idle; rc->s_learning_mode = loop_set_learning_mode; rc->s_carrier_report = loop_set_carrier_report; + rc->s_wakeup_filter = loop_set_wakeup_filter; loopdev.txmask = RXMASK_REGULAR; loopdev.txcarrier = 36000;