From patchwork Mon Aug 14 04:29:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Reka Norman X-Patchwork-Id: 713721 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 950E2C04A6A for ; Mon, 14 Aug 2023 04:35:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232946AbjHNEfG (ORCPT ); Mon, 14 Aug 2023 00:35:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233086AbjHNEeg (ORCPT ); Mon, 14 Aug 2023 00:34:36 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04C54E71 for ; Sun, 13 Aug 2023 21:34:34 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id d9443c01a7336-1bc3d94d40fso34611705ad.3 for ; Sun, 13 Aug 2023 21:34:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1691987674; x=1692592474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HYvNk0F6tYkddjPM1gjr6zJLDh3fOJZ+v63cRgPJjfA=; b=H7zzWBlWpbodL7W+6k8K70XBLbZ/RNtZxtCDAwQhN7RZrum1aHa1NFieQVQkx+VpYk +Jh6j44slWPePa7rpDNelCk+yrvPWugPSBBVUJjNvy7QJdc49CdUcPqp5+iuQwlVE8bT W6MhOBUBugTeZ7OGaaUeVZkLK7jvEkHPB3TT0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691987674; x=1692592474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HYvNk0F6tYkddjPM1gjr6zJLDh3fOJZ+v63cRgPJjfA=; b=Z/gA71ULw7a/edMGW1Mp8ivJwqDRATZPKhXFYvGu0fttHX8xABP2Nb/ux4xPI9/mXN aIjOG9MpYMEyfaU841ya8DLmiV5H7gxXE0s6AYMgpTZCMRhl5XJPbPKh1gMHHUXxa/nS 1iahDLGDBFR/n7aEAQS004SoN7I0GBM7scEIM2m0JzejIPXY7FeDZfMJ7vy5UHZVFIgW VH8ZWO0+GsGlZiOZbPHKKl9qKLH4YAIRQAvlK4nba2dDqeJ8ZiPt/hMfIhkly5n3VO+n 7WZPrzFMJe4dfvJdHlT53J8Fm9TS0kBhI4h6c7clSXsjgu81sAHYPzRpSz79V3RWp06R Hq8g== X-Gm-Message-State: AOJu0YyS6Zcf5Z4ZjZDBWPWC6GExarKG2c8ZjOrCHdtmcOM3/2uz5fiR xdcRmK6qSCeYq45dk/IzypQ3JQ== X-Google-Smtp-Source: AGHT+IHfnYKjQj8WsxQRE9dk4FSHNeYQqT6ChPM5Z4x8Zek8wEZS9VddxNTOaE9+wtyoEQiUGDMZEQ== X-Received: by 2002:a17:903:2d0:b0:1b8:a697:3719 with SMTP id s16-20020a17090302d000b001b8a6973719mr10622994plk.25.1691987674497; Sun, 13 Aug 2023 21:34:34 -0700 (PDT) Received: from rekanorman3.syd.corp.google.com ([2401:fa00:9:14:4ae6:d1a4:27c2:80ff]) by smtp.gmail.com with ESMTPSA id ju17-20020a170903429100b001bdb0483e65sm6761865plb.265.2023.08.13.21.34.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Aug 2023 21:34:34 -0700 (PDT) From: Reka Norman To: Hans Verkuil Cc: Neil Armstrong , Daisuke Nojiri , Stefan Adolfsson , Reka Norman , Benson Leung , Guenter Roeck , Mauro Carvalho Chehab , chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH 1/9] media: cros-ec-cec: Use cros_ec_cmd to send host commands Date: Mon, 14 Aug 2023 14:29:10 +1000 Message-ID: <20230814043140.1108917-2-rekanorman@chromium.org> X-Mailer: git-send-email 2.41.0.640.ga95def55d0-goog In-Reply-To: <20230814043140.1108917-1-rekanorman@chromium.org> References: <20230814043140.1108917-1-rekanorman@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use the cros_ec_cmd helper function to reduce the amount of boilerplate when sending host commands. Signed-off-by: Reka Norman --- .../media/cec/platform/cros-ec/cros-ec-cec.c | 44 +++++++------------ 1 file changed, 16 insertions(+), 28 deletions(-) diff --git a/drivers/media/cec/platform/cros-ec/cros-ec-cec.c b/drivers/media/cec/platform/cros-ec/cros-ec-cec.c index c17faf002877..8dd95fb38546 100644 --- a/drivers/media/cec/platform/cros-ec/cros-ec-cec.c +++ b/drivers/media/cec/platform/cros-ec/cros-ec-cec.c @@ -95,18 +95,14 @@ static int cros_ec_cec_set_log_addr(struct cec_adapter *adap, u8 logical_addr) { struct cros_ec_cec *cros_ec_cec = adap->priv; struct cros_ec_device *cros_ec = cros_ec_cec->cros_ec; - struct { - struct cros_ec_command msg; - struct ec_params_cec_set data; - } __packed msg = {}; + struct ec_params_cec_set params = { + .cmd = CEC_CMD_LOGICAL_ADDRESS, + .val = logical_addr, + }; int ret; - msg.msg.command = EC_CMD_CEC_SET; - msg.msg.outsize = sizeof(msg.data); - msg.data.cmd = CEC_CMD_LOGICAL_ADDRESS; - msg.data.val = logical_addr; - - ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg); + ret = cros_ec_cmd(cros_ec, 0, EC_CMD_CEC_SET, ¶ms, sizeof(params), + NULL, 0); if (ret < 0) { dev_err(cros_ec->dev, "error setting CEC logical address on EC: %d\n", ret); @@ -121,17 +117,13 @@ static int cros_ec_cec_transmit(struct cec_adapter *adap, u8 attempts, { struct cros_ec_cec *cros_ec_cec = adap->priv; struct cros_ec_device *cros_ec = cros_ec_cec->cros_ec; - struct { - struct cros_ec_command msg; - struct ec_params_cec_write data; - } __packed msg = {}; + struct ec_params_cec_write params; int ret; - msg.msg.command = EC_CMD_CEC_WRITE_MSG; - msg.msg.outsize = cec_msg->len; - memcpy(msg.data.msg, cec_msg->msg, cec_msg->len); + memcpy(params.msg, cec_msg->msg, cec_msg->len); - ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg); + ret = cros_ec_cmd(cros_ec, 0, EC_CMD_CEC_WRITE_MSG, ¶ms, + cec_msg->len, NULL, 0); if (ret < 0) { dev_err(cros_ec->dev, "error writing CEC msg on EC: %d\n", ret); @@ -145,18 +137,14 @@ static int cros_ec_cec_adap_enable(struct cec_adapter *adap, bool enable) { struct cros_ec_cec *cros_ec_cec = adap->priv; struct cros_ec_device *cros_ec = cros_ec_cec->cros_ec; - struct { - struct cros_ec_command msg; - struct ec_params_cec_set data; - } __packed msg = {}; + struct ec_params_cec_set params = { + .cmd = CEC_CMD_ENABLE, + .val = enable, + }; int ret; - msg.msg.command = EC_CMD_CEC_SET; - msg.msg.outsize = sizeof(msg.data); - msg.data.cmd = CEC_CMD_ENABLE; - msg.data.val = enable; - - ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg); + ret = cros_ec_cmd(cros_ec, 0, EC_CMD_CEC_SET, ¶ms, sizeof(params), + NULL, 0); if (ret < 0) { dev_err(cros_ec->dev, "error %sabling CEC on EC: %d\n",