From mboxrd@z Thu Jan 1 00:00:00 1970 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 AC77FC77B7F for ; Sat, 29 Apr 2023 18:17:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229892AbjD2SRB (ORCPT ); Sat, 29 Apr 2023 14:17:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229882AbjD2SQ7 (ORCPT ); Sat, 29 Apr 2023 14:16:59 -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 7DEC91BF4 for ; Sat, 29 Apr 2023 11:16:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1682792166; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mCBm5jOnhjJEt6pe1UKwQEu4teSD01GVaLjt+SyOQmE=; b=UoE3XWi9TL6kIEP58jAjd2g92av01Yu18u5OV1NqXD2nr+7sPlbjhSk6EcOyoqTrVKuFZd OcgjjO+7EST+/XA8hLYMsQ6NUqpxKDcz4ZpscdFxGqBVeaFeewMsBHvxdeZDk0MEZfj1+E LbOUjuuKwR58CcFA7Td16hMveOqMm50= 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-112-UQ1SQ7OUPZaaUD70OvASSg-1; Sat, 29 Apr 2023 14:16:03 -0400 X-MC-Unique: UQ1SQ7OUPZaaUD70OvASSg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5CCA0101A550; Sat, 29 Apr 2023 18:16:02 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.57]) by smtp.corp.redhat.com (Postfix) with ESMTP id 44F972027043; Sat, 29 Apr 2023 18:16:01 +0000 (UTC) From: Hans de Goede To: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Andy Shevchenko , Thierry Reding , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Cc: Hans de Goede , Yauhen Kharuzhy , platform-driver-x86@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH 01/19] pwm: Export pwm_add_table() / pwm_remove_table() Date: Sat, 29 Apr 2023 20:15:33 +0200 Message-Id: <20230429181551.98201-2-hdegoede@redhat.com> In-Reply-To: <20230429181551.98201-1-hdegoede@redhat.com> References: <20230429181551.98201-1-hdegoede@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Lenovo Yoga Book 1 (yb1-x90f/l) models have a backlit keyboard where the brightness is directly controlled by one of the Intel Cherry Trail SoCs PWM controllers. To control the backlight the drivers/platform/lenovo-yogabook.c needs to add a pwm_lookup table entry so that it can call pwm_get() to get a reference to the PWM controller. The lenovo-yogabook driver can be build as a module, export pwm_add_table() and pwm_remove_table() so that the lenovo-yogabook driver can use them when build as a module. Signed-off-by: Hans de Goede --- drivers/pwm/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 474725714a05..c66daac6154f 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -881,6 +881,7 @@ void pwm_add_table(struct pwm_lookup *table, size_t num) mutex_unlock(&pwm_lookup_lock); } +EXPORT_SYMBOL_GPL(pwm_add_table); /** * pwm_remove_table() - unregister PWM device consumers @@ -898,6 +899,7 @@ void pwm_remove_table(struct pwm_lookup *table, size_t num) mutex_unlock(&pwm_lookup_lock); } +EXPORT_SYMBOL_GPL(pwm_remove_table); /** * pwm_get() - look up and request a PWM device -- 2.39.2