From patchwork Tue Jun 13 11:08:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 13278377 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 26363C88CB4 for ; Tue, 13 Jun 2023 11:09:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242091AbjFMLJF (ORCPT ); Tue, 13 Jun 2023 07:09:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239887AbjFMLJD (ORCPT ); Tue, 13 Jun 2023 07:09:03 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BBE210D8 for ; Tue, 13 Jun 2023 04:08:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686654498; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=BK5Kh9/SO1dyWkPt83ch6PopmgUN5GMSo8JOxrSlmHI=; b=PvsO4LqaBOD2mkZKzRYYKEYzkVkgoFVJsi85e4DwoyqTe10E7xvHRv12Vyt/uVZKsnX75B p/dZrKf97yipMc0rV1vZFzaHAJuIQtglb+fVtnnpeAdk+UNGLCW9w7lbDiaqzBO9D94cld g+svQKWk+bfcYPFaxUFJZBXK8BQZWig= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-524-WC5-V6gzPVWzo3QFbTaplg-1; Tue, 13 Jun 2023 07:08:13 -0400 X-MC-Unique: WC5-V6gzPVWzo3QFbTaplg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7D7AF101A55C; Tue, 13 Jun 2023 11:08:12 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.195.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id 88256492CA6; Tue, 13 Jun 2023 11:08:11 +0000 (UTC) From: Hans de Goede To: =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Andy Shevchenko , Dan Scally Cc: Hans de Goede , platform-driver-x86@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH 1/2] platform/x86: int3472: discrete: Use FIELD_GET() on the GPIO _DSM return value Date: Tue, 13 Jun 2023 13:08:09 +0200 Message-Id: <20230613110810.240193-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add defines for the various fields encoded in the GPIO _DSM integer return value and then use FIELD_GET() to get field values. Suggested-by: Ilpo Järvinen Signed-off-by: Hans de Goede --- drivers/platform/x86/intel/int3472/discrete.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index fc839a73e411..a31964076883 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -2,6 +2,7 @@ /* Author: Dan Scally */ #include +#include #include #include #include @@ -25,6 +26,10 @@ static const guid_t int3472_gpio_guid = GUID_INIT(0x79234640, 0x9e10, 0x4fea, 0xa5, 0xc1, 0xb5, 0xaa, 0x8b, 0x19, 0x75, 0x6f); +#define INT3472_GPIO_DSM_TYPE GENMASK(7, 0) +#define INT3472_GPIO_DSM_PIN GENMASK(15, 8) +#define INT3472_GPIO_DSM_SENSOR_ON_VAL GENMASK(31, 24) + /* * 822ace8f-2814-4174-a56b-5f029fe079ee * This _DSM GUID returns a string from the sensor device, which acts as a @@ -174,12 +179,11 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, return 1; } - type = obj->integer.value & 0xff; + type = FIELD_GET(INT3472_GPIO_DSM_TYPE, obj->integer.value); int3472_get_func_and_polarity(type, &func, &polarity); - /* If bits 31-24 of the _DSM entry are all 0 then the signal is inverted */ - active_value = obj->integer.value >> 24; + active_value = FIELD_GET(INT3472_GPIO_DSM_SENSOR_ON_VAL, obj->integer.value); if (!active_value) polarity ^= GPIO_ACTIVE_LOW;