From patchwork Sun May 5 21:47:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Kemnade X-Patchwork-Id: 794848 Received: from mail2.andi.de1.cc (vmd64148.contaboserver.net [161.97.139.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0AC13136982; Sun, 5 May 2024 21:48:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=161.97.139.27 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714945728; cv=none; b=ofY7tWflgNQJOdAjegWiImJ1zRGtm5BZgmS8w43izKzqhypGuh9s5z+qA6TNzDxbFX4Wrm40zXRFB2Axu3NhfgLje1WjvCf00k4hVtCgW29qPoj8oDNG2wJIytkwrEAJoAukoFFKMLkEdL6PNQCN60EKZ5uCyKb7It9FXWNK1PI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714945728; c=relaxed/simple; bh=G9h5ZxiGzASTMIdvxH0uhwND+SlOLksrdHwTgbps1FY=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=l97wl22v/XE9ZC0FQyO+DOTp9qQwWGbBvMUvc8mtGiARvBTCOmxL5Axj7DReMNDBLnleiMCScC/BBqCmaMOs7C4sUljo3a7vI6ssbcDIynTmRZENFDUb3VEUtCEQS8uzunOIxNfbzNOb80HXS1t9vs/MqGxjok4MTxn2u1hdyq0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kemnade.info; spf=pass smtp.mailfrom=kemnade.info; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b=13Kc15T3; arc=none smtp.client-ip=161.97.139.27 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kemnade.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kemnade.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="13Kc15T3" Received: from mail.andi.de1.cc ([2a02:c205:3004:2154::1]) by mail2.andi.de1.cc with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s3jir-005kkC-1E; Sun, 05 May 2024 23:48:42 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=wSAWZ7fK7sRoCuFqtN+GxwBPXM4pBzVJE8SYe+i46ys=; b=13Kc15T3+e95IK6a5RC0No20D0 MYHvfoJD2yjr2eYyZWjcbhZK1Mp9AS+8R349Y0G2jtJkH499kvBn/h8OQDuFjRc5kvPQQht4ONgEO J1vvPLdm88yRhZdXwKAIFT59pELH/J/1FHhkMg1a5GwMF9b+crSK1eevUc2mCWvNqLEbaHwdMBaJ6 c7P9mb4qm4W3MWbPzLyNYsJZ3bnXFYiPseKD02k3nsRunXlj2TDffNkuHzf1uymhXdx1w26xlFMi7 /LCANFzKUV6pJtUGEq0xkuymYc84kN3dVaSARGTLo5cRT8gj2yx3QGRXYS9X09RQePbFdQTIxC+bk 0er998wQ==; Received: from p200300c20737c2001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:c2:737:c200:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s3jin-000ccD-2F; Sun, 05 May 2024 23:48:38 +0200 Received: from andi by aktux with local (Exim 4.96) (envelope-from ) id 1s3jio-003jyg-2I; Sun, 05 May 2024 23:48:38 +0200 From: Andreas Kemnade To: dmitry.torokhov@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andreas@kemnade.info, u.kleine-koenig@pengutronix.de, hdegoede@redhat.com, andy.shevchenko@gmail.com, siebren.vroegindeweij@hotmail.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] Input: ektf2127 - add ektf2232 support Date: Sun, 5 May 2024 23:47:54 +0200 Message-Id: <20240505214754.891700-4-andreas@kemnade.info> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240505214754.891700-1-andreas@kemnade.info> References: <20240505214754.891700-1-andreas@kemnade.info> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The chip is similar, but has status bits at different positions, so use the correct bits. Signed-off-by: Andreas Kemnade --- drivers/input/touchscreen/ektf2127.c | 41 ++++++++++++++++++++++++---- 1 file changed, 35 insertions(+), 6 deletions(-) diff --git a/drivers/input/touchscreen/ektf2127.c b/drivers/input/touchscreen/ektf2127.c index cc3103b9cbfba..028b605d1bb74 100644 --- a/drivers/input/touchscreen/ektf2127.c +++ b/drivers/input/touchscreen/ektf2127.c @@ -13,6 +13,7 @@ * Hans de Goede */ +#include #include #include #include @@ -46,6 +47,11 @@ struct ektf2127_ts { struct input_dev *input; struct gpio_desc *power_gpios; struct touchscreen_properties prop; + int status_shift; +}; + +struct ektf2127_i2c_chip_data { + int status_shift; }; static void ektf2127_parse_coordinates(const u8 *buf, unsigned int touch_count, @@ -112,8 +118,8 @@ static void ektf2127_report2_contact(struct ektf2127_ts *ts, int slot, static void ektf2127_report2_event(struct ektf2127_ts *ts, const u8 *buf) { - ektf2127_report2_contact(ts, 0, &buf[1], !!(buf[7] & 2)); - ektf2127_report2_contact(ts, 1, &buf[4], !!(buf[7] & 4)); + ektf2127_report2_contact(ts, 0, &buf[1], !!(buf[7] & BIT(ts->status_shift))); + ektf2127_report2_contact(ts, 1, &buf[4], !!(buf[7] & BIT(ts->status_shift + 1))); input_mt_sync_frame(ts->input); input_sync(ts->input); @@ -246,7 +252,9 @@ static int ektf2127_query_dimension(struct i2c_client *client, bool width) static int ektf2127_probe(struct i2c_client *client) { + const struct i2c_device_id *id = i2c_client_get_device_id(client); struct device *dev = &client->dev; + const struct ektf2127_i2c_chip_data *chip_data; struct ektf2127_ts *ts; struct input_dev *input; u8 buf[4]; @@ -303,6 +311,17 @@ static int ektf2127_probe(struct i2c_client *client) return error; ts->input = input; + + chip_data = device_get_match_data(&client->dev); + if (!chip_data) + chip_data = (const struct ektf2127_i2c_chip_data *)id->driver_data; + if (!chip_data) { + dev_err(&client->dev, "missing chip data\n"); + return -EINVAL; + } + + ts->status_shift = chip_data->status_shift; + input_set_drvdata(input, ts); error = devm_request_threaded_irq(dev, client->irq, @@ -325,18 +344,28 @@ static int ektf2127_probe(struct i2c_client *client) return 0; } +static const struct ektf2127_i2c_chip_data ektf2127_data = { + .status_shift = 1, +}; + +static const struct ektf2127_i2c_chip_data ektf2232_data = { + .status_shift = 0, +}; + #ifdef CONFIG_OF static const struct of_device_id ektf2127_of_match[] = { - { .compatible = "elan,ektf2127" }, - { .compatible = "elan,ektf2132" }, + { .compatible = "elan,ektf2127", .data = &ektf2127_data}, + { .compatible = "elan,ektf2132", .data = &ektf2127_data}, + { .compatible = "elan,ektf2232", .data = &ektf2232_data}, {} }; MODULE_DEVICE_TABLE(of, ektf2127_of_match); #endif static const struct i2c_device_id ektf2127_i2c_id[] = { - { "ektf2127", 0 }, - { "ektf2132", 0 }, + { .name = "ektf2127", .driver_data = (long)&ektf2127_data }, + { .name = "ektf2132", .driver_data = (long)&ektf2127_data }, + { .name = "ektf2232", .driver_data = (long)&ektf2232_data }, {} }; MODULE_DEVICE_TABLE(i2c, ektf2127_i2c_id);