From patchwork Sat Jan 5 20:26:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Donghoon Han X-Patchwork-Id: 10749395 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9A5B26C5 for ; Sat, 5 Jan 2019 20:27:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87BC9287FE for ; Sat, 5 Jan 2019 20:27:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 77A482880A; Sat, 5 Jan 2019 20:27:21 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,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 2016D287D1 for ; Sat, 5 Jan 2019 20:27:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726372AbfAEU1J (ORCPT ); Sat, 5 Jan 2019 15:27:09 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:38559 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726278AbfAEU1I (ORCPT ); Sat, 5 Jan 2019 15:27:08 -0500 Received: by mail-pg1-f196.google.com with SMTP id g189so18944887pgc.5; Sat, 05 Jan 2019 12:27:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=b8IRzqMHeMjla7T1fmt9Jv4hRUW0RpFhYmchTS3E2r8=; b=qzMj31Pk72P6QGLudmsB0CFaifm+e2yD0E0P4+kATwN1lYxEigrBvGGF1c0UQLRsNr 3/5LYULJFgLmB2WnH065mEL6TrXuQE9lWdXqASXXYC5lihA805uxbIT2PKzbHHla6+C5 9k6TXamiyGtK0cRPZrbSNbqcyAlWLyGeDlMTcFOn8dobEZAVFNf1JeiLra7rNH/FfRcW Mu2xTInfohs8VaBj5f25Z4pF4mmE+4nLyml6v2MvlFp0q7mlPnaJJsA0S386dpkKgS6C zFDZBxyzJJBLZvL3lRcgyWoRXWlqh8rgo35JmlG30VPX8EKZEot81AgmkyJ2T6wgLjre 1lUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=b8IRzqMHeMjla7T1fmt9Jv4hRUW0RpFhYmchTS3E2r8=; b=FbPpGaHWhIRCd6euSMV0IqcC/qm+/Ag3PdPx764nRNpYGmwgn3skLydTyenW0ETW9Y k0jldpZOP4ToeiSpZUJ/hdfgBhplbAjlMEjMWP14w/gwS9bw86aRHXnX4EQOez6UQC/1 8/4HncXU3+aDDodlzxBzP4YDDmKN39mIVd7jIl3qU2hWGXqVuE+dKSPI35G0pGLWULcf ywdNII2nYb6aIDZCaeUwlQDYBjeGJYDnBDMr1j1chfkzXv4OeKqDP2xkaGZBc9np294F k5nWrq/78qEL5bKNZRqLPPGHWohKeBtwWdm5qBZl3kyFZzPuACbpcQDlFCIWQvzfXXh/ 8f4A== X-Gm-Message-State: AJcUukcV2AIta+5A+I2br4cL4bnfJU5a6AXz0uQgAVItz5XQyq1McVnr 7LL9YDt9E5dP7TwSlobxS+hPi7yK X-Google-Smtp-Source: ALg8bN5j7eRIA2rYtkw2gkjuVXu/gR0FU4dJMwRchc/X5ZokSBrZNhqCy5xmzVsbpeKeksvg3uXlgg== X-Received: by 2002:a63:1258:: with SMTP id 24mr5782511pgs.114.1546720027493; Sat, 05 Jan 2019 12:27:07 -0800 (PST) Received: from localhost.localdomain ([121.161.238.230]) by smtp.gmail.com with ESMTPSA id d129sm94559165pfc.31.2019.01.05.12.27.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 05 Jan 2019 12:27:07 -0800 (PST) From: Donghoon Han To: linux-input@vger.kernel.org Cc: Dmitry Torokhov , Daniel Mack , linux-kernel@vger.kernel.org, Steven Han Subject: [PATCH 1/2] Input: rotary_encoder - Support key events Date: Sun, 6 Jan 2019 05:26:58 +0900 Message-Id: <20190105202659.20198-2-nazgul33@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190105202659.20198-1-nazgul33@gmail.com> References: <20190105202659.20198-1-nazgul33@gmail.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Steven Han Support generating EV_KEY pair, instead of EV_REL. Signed-off-by: Donghoon Han --- drivers/input/misc/rotary_encoder.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c index 72eee6d55527..180e35884289 100644 --- a/drivers/input/misc/rotary_encoder.c +++ b/drivers/input/misc/rotary_encoder.c @@ -41,6 +41,8 @@ struct rotary_encoder { u32 steps; u32 axis; bool relative_axis; + bool relative_keys; + u32 keycodes[2]; bool rollover; enum rotary_encoder_encoding encoding; @@ -79,6 +81,10 @@ static void rotary_encoder_report_event(struct rotary_encoder *encoder) if (encoder->relative_axis) { input_report_rel(encoder->input, encoder->axis, encoder->dir); + } else if (encoder->relative_keys) { + u32 keycode = encoder->keycodes[encoder->dir > 0]; + input_event(encoder->input, EV_KEY, keycode, 1); + input_event(encoder->input, EV_KEY, keycode, 0); } else { unsigned int pos = encoder->pos; @@ -237,6 +243,16 @@ static int rotary_encoder_probe(struct platform_device *pdev) device_property_read_u32(dev, "linux,axis", &encoder->axis); encoder->relative_axis = device_property_read_bool(dev, "rotary-encoder,relative-axis"); + encoder->relative_keys = + device_property_read_bool(dev, "rotary-encoder,relative-keys"); + if (encoder->relative_keys) { + err = device_property_read_u32_array(dev, + "rotary-encoder,relative-keycodes", + encoder->keycodes, 2); + if (err) + dev_err(dev, "unable to get keycodes: %d\n", err); + return err; + } encoder->gpios = devm_gpiod_get_array(dev, NULL, GPIOD_IN); if (IS_ERR(encoder->gpios)) { @@ -260,9 +276,12 @@ static int rotary_encoder_probe(struct platform_device *pdev) input->id.bustype = BUS_HOST; input->dev.parent = dev; - if (encoder->relative_axis) + if (encoder->relative_axis) { input_set_capability(input, EV_REL, encoder->axis); - else + } else if (encoder->relative_keys) { + input_set_capability(input, EV_KEY, encoder->keycodes[0]); + input_set_capability(input, EV_KEY, encoder->keycodes[1]); + } else input_set_abs_params(input, encoder->axis, 0, encoder->steps, 0, 1);