From patchwork Tue Jun 14 19:34:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Prashant Malani X-Patchwork-Id: 582219 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 CEB82CCA47A for ; Tue, 14 Jun 2022 19:44:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345024AbiFNToC (ORCPT ); Tue, 14 Jun 2022 15:44:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345034AbiFNTn7 (ORCPT ); Tue, 14 Jun 2022 15:43:59 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D5422AE39 for ; Tue, 14 Jun 2022 12:43:57 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id f9so8633808plg.0 for ; Tue, 14 Jun 2022 12:43:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UrrP/zJdRTkEhRPo0RbWE/0KRS6oPs0nqZx19bNbNaw=; b=H6M31qNEkKNkvbdYFwIE8oo1NJB3Uh0O+pSPhqKIs2vHbVcldJkZMhtps0K2q5cWnG ssIghlzgq0f0UiNyMaT72VwV03kZluLC/THLzmnkvceyV9aUaBE/JG2RxvWbsUZzznHs bltKY6P/IrM5fNgU9zUelJ8R+OAeDDgGNfqR0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UrrP/zJdRTkEhRPo0RbWE/0KRS6oPs0nqZx19bNbNaw=; b=WPyX3xXnEy52FryyJxmvSDJ8ZBaRUacGQq22ukF2qIWY1fqwJ4RI7rpMn0QJcjJnl0 FUiuAOX/A6XXaBA9/d9E2xFfxFQJN5s5Dmy/TrNefA1drjVcMRB/T9Nmh8AYzLqDLACU 6t+aEcttVSDOR+ok1vRN0MmhDY8Rpc1YjkqBgscKmit80MTsuqS2CJHonRs+AulG3tXH V6yoSpRoYYMHMj85gGf61XDMYM+n5nM4KiKDiP8/V1hwzd8ilp6CjjwYS7sSgn+8XHWh w0juofdMknb4scBUP36aDaqphlbYuANiE3M/5jfI89+u2dUkDaBE6rVG/9Xr0EpC2dZE SRKA== X-Gm-Message-State: AJIora+uZFEXTqhflNFwIwPuuw7Xd/beogI46qRzZC/c9f3HwbfwZ/ri na2xPHcfVJw2qoboOx6kc54E4g== X-Google-Smtp-Source: AGRyM1sn/DSEuxrzWgsQgR3jKAz550h1x3Kr9deBUlcjGj2PTAlcKFuJV1v7+Ntk6ZUVumEcwJtWrw== X-Received: by 2002:a17:90b:2248:b0:1ea:8403:d81c with SMTP id hk8-20020a17090b224800b001ea8403d81cmr6171253pjb.97.1655235836991; Tue, 14 Jun 2022 12:43:56 -0700 (PDT) Received: from pmalani.c.googlers.com.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id l21-20020a17090a409500b001df3a251cc2sm10014426pjg.4.2022.06.14.12.43.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jun 2022 12:43:56 -0700 (PDT) From: Prashant Malani To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: bleung@chromium.org, swboyd@chromium.org, heikki.krogerus@linux.intel.com, Prashant Malani , =?utf-8?q?N=C3=ADcolas_F_=2E_R_=2E_?= =?utf-8?q?A_=2E_Prado?= , Andrzej Hajda , Daniel Vetter , David Airlie , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), Greg Kroah-Hartman , Hsin-Yi Wang , Jernej Skrabec , Jonas Karlman , =?utf-8?b?Sm9zw6kgRXhww7NzaXRv?= , Krzysztof Kozlowski , Laurent Pinchart , Maxime Ripard , Neil Armstrong , Pin-Yen Lin , Robert Foss , Rob Herring , Sam Ravnborg , Thomas Zimmermann , Xin Ji Subject: [PATCH v3 5/7] drm/bridge: anx7625: Register number of Type C switches Date: Tue, 14 Jun 2022 19:34:39 +0000 Message-Id: <20220614193558.1163205-6-pmalani@chromium.org> X-Mailer: git-send-email 2.36.1.476.g0c4daa206d-goog In-Reply-To: <20220614193558.1163205-1-pmalani@chromium.org> References: <20220614193558.1163205-1-pmalani@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Parse the "switches" node, if available, and count and store the number of Type-C switches within it. Since we currently don't do anything with this info, no functional changes are expected from this change. This patch sets a foundation for the actual registering of Type-C switches with the Type-C connector class framework. Reviewed-by: Nícolas F. R. A. Prado Tested-by: Nícolas F. R. A. Prado Signed-off-by: Prashant Malani --- Changes since v2: - Move ret variable to Patch v3 6/7.. - Make error print a dev_dbg, since it is noisy. - Added Reviewed-by and Tested-by tags. Changes since v1: - No changes. drivers/gpu/drm/bridge/analogix/anx7625.c | 18 ++++++++++++++++++ drivers/gpu/drm/bridge/analogix/anx7625.h | 1 + 2 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 53a5da6c49dd..e3d4c2738b8c 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -2581,6 +2581,20 @@ static void anx7625_runtime_disable(void *data) pm_runtime_disable(data); } +static int anx7625_register_typec_switches(struct device *device, struct anx7625_data *ctx) +{ + struct device_node *of = of_get_child_by_name(device->of_node, "switches"); + + if (!of) + return -ENODEV; + + ctx->num_typec_switches = of_get_child_count(of); + if (ctx->num_typec_switches <= 0) + return -ENODEV; + + return 0; +} + static int anx7625_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -2686,6 +2700,10 @@ static int anx7625_i2c_probe(struct i2c_client *client, if (platform->pdata.intp_irq) queue_work(platform->workqueue, &platform->work); + ret = anx7625_register_typec_switches(dev, platform); + if (ret) + dev_dbg(dev, "Didn't register Type C switches, err: %d\n", ret); + platform->bridge.funcs = &anx7625_bridge_funcs; platform->bridge.of_node = client->dev.of_node; if (!anx7625_of_panel_on_aux_bus(&client->dev)) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.h b/drivers/gpu/drm/bridge/analogix/anx7625.h index e257a84db962..d5cbca708842 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.h +++ b/drivers/gpu/drm/bridge/analogix/anx7625.h @@ -473,6 +473,7 @@ struct anx7625_data { struct drm_connector *connector; struct mipi_dsi_device *dsi; struct drm_dp_aux aux; + int num_typec_switches; }; #endif /* __ANX7625_H__ */