From nobody Sun Feb 8 23:27:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A224C7EE26 for ; Fri, 19 May 2023 09:02:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230316AbjESJCp (ORCPT ); Fri, 19 May 2023 05:02:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229681AbjESJCn (ORCPT ); Fri, 19 May 2023 05:02:43 -0400 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EA6BFB for ; Fri, 19 May 2023 02:02:41 -0700 (PDT) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-64d11974b45so1344539b3a.2 for ; Fri, 19 May 2023 02:02:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=huaqin-corp-partner-google-com.20221208.gappssmtp.com; s=20221208; t=1684486960; x=1687078960; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=dgyhdD0Z5uIMOVTz0Ju4X2/oVNPW1i/oYYXsh7N4X4M=; b=OWYBiz6WlIh1V/l9X/Gdf+xPSgBsF7e7sXV6UyuHEndXrapxhmrB3TkC8R3zfq/hCB 3z1Q1aBMLMESjZAzDRx7Fh+BF0rEqnRHgzz5uOvdWZ4uvQAK7lp95KBQdSKKsfs+YH/m paaxoRemHtRz+QfjeLSxWOHRgbF+QdNq7CjbMhxHIn8lIjjDCXynHoJDi58uoqzKNgFW tkTVDKAoA/kBReaBp0KaewU/1eYhT+5kRq0V9jQjW0VxL2hI8oqlMQFyfGHbCuB5DE3G q9UO7sUdKNhlxskD0bSC80KJPycUjuPk7oU92vWmsykPaF+RaTr0FMys670hQoP9Aizb sx4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684486960; x=1687078960; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=dgyhdD0Z5uIMOVTz0Ju4X2/oVNPW1i/oYYXsh7N4X4M=; b=ljtT7bYr9QMu/v5P0jRfsRB49iIYojjUtP+/LYZpn3MEIwa1EPKQIgGY4CEJnf8eW1 j4wdEb15a350EKMt7qQmmXNbx62LZNLZ9QderUzIkRT4R1LPjT3DEqP37meDb5QJJ08d c169Bot/FZxNvOsHWMw+JGZm8fc23IFmt8BC/DdI5OhNaRDoBLFZ+27vE3Xbb7l6uME5 WJugyprRQSq5PlH9ddDQ4OZbntu4zDHQ1IFYAKbaojgj9DQJnf6VnQn9e3Bf72DvDQev Nr/6tNMDWF5iP+FUkRXXv4EDOdHfSSc+jK7+LjJWYBSORAaONSlcjvKTBfEOf1+rGehe xKbQ== X-Gm-Message-State: AC+VfDzoEKdcXPh2N7dzfRq5luqqxCDsJjvB8/i8V0YofnEvvRANHgiQ O7U1bYB0u3tBIKO6HEVJ8CPYWg== X-Google-Smtp-Source: ACHHUZ7wFFt/rKk0Cxr4ucwSXRW4PIJaDmBYFThv9U1k7G56FqIDDwZ4dNN/aLv5j+zmomsAxW5B7A== X-Received: by 2002:a05:6a00:8c7:b0:64d:1215:a0f5 with SMTP id s7-20020a056a0008c700b0064d1215a0f5mr2448868pfu.34.1684486960613; Fri, 19 May 2023 02:02:40 -0700 (PDT) Received: from yc.huaqin.com ([101.78.151.214]) by smtp.gmail.com with ESMTPSA id c24-20020aa78e18000000b00622e01989cbsm2649274pfr.176.2023.05.19.02.02.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 May 2023 02:02:40 -0700 (PDT) From: Cong Yang To: jikos@kernel.org, benjamin.tissoires@redhat.com, dianders@chromium.org, mka@chromium.org, dmitry.torokhov@gmail.com, hsinyi@google.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Cong Yang Subject: [PATCH] HID: i2c-hid: goodix: Add ili9882t timing Date: Fri, 19 May 2023 17:01:49 +0800 Message-Id: <20230519090149.4407-1-yangcong5@huaqin.corp-partner.google.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The ili9882t is a TDDI IC ((Touch with Display Driver)). It requires the panel reset gpio to be high before i2c commands. Use a longer delay in post_power_delay_ms to ensure the poweron sequence. Signed-off-by: Cong Yang --- drivers/hid/i2c-hid/i2c-hid-of-goodix.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c b/drivers/hid/i2c-hid/= i2c-hid-of-goodix.c index 0060e3dcd775..c5870b683a26 100644 --- a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c +++ b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c @@ -101,8 +101,14 @@ static const struct goodix_i2c_hid_timing_data goodix_= gt7375p_timing_data =3D { .post_gpio_reset_delay_ms =3D 180, }; =20 +static const struct goodix_i2c_hid_timing_data ilitek_ili9882t_timing_data= =3D { + .post_power_delay_ms =3D 200, + .post_gpio_reset_delay_ms =3D 180, +}; + static const struct of_device_id goodix_i2c_hid_of_match[] =3D { { .compatible =3D "goodix,gt7375p", .data =3D &goodix_gt7375p_timing_data= }, + { .compatible =3D "ilitek,ili9882t", .data =3D &ilitek_ili9882t_timing_da= ta }, { } }; MODULE_DEVICE_TABLE(of, goodix_i2c_hid_of_match); --=20 2.25.1