From patchwork Thu Sep 24 09:00:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amelie Delaunay X-Patchwork-Id: 11796643 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2527F59D for ; Thu, 24 Sep 2020 09:01:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0870723787 for ; Thu, 24 Sep 2020 09:01:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="bIOHvamU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727383AbgIXJBV (ORCPT ); Thu, 24 Sep 2020 05:01:21 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:45367 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727340AbgIXJBP (ORCPT ); Thu, 24 Sep 2020 05:01:15 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08O8ujau013743; Thu, 24 Sep 2020 11:00:58 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=qOPGSA4k71owNvAkgVgp5TldnSG68YhSY830P7UkA/I=; b=bIOHvamUs6vElV/APFQyD+/d0FFkehc1CJEJJA4vvv2VqZ/7AZlzSgai3/PQ4Nq9VbXK 3+MJ1P1tDe7HgidrRoDlX7cdOkp85jL9kxVAf4AEXXz2w22p116KawDGvGn+AbPRinJ6 4ANc5tE5uJQL5pP8a0klXIdQ+rKJ5Sf0w+4sACWdEC3p/l+lksyG1v8xe1quIvTX02MG zoiqYPG7YFnG/vQr5Lkv+fv9Xh+PyL1qo3ZXsh6iV+NabOYNsadjgbD3lGAf14OeQicD G/xR/OO5GxD69a68ZdYVMrtQVUwuZzLJxl6iz4ZEKBcoMAMIUO+XQZRfuGkxoNR9A0fW DQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 33n7f02r6j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 24 Sep 2020 11:00:58 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0E74110002A; Thu, 24 Sep 2020 11:00:58 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id F0C7B2A4D61; Thu, 24 Sep 2020 11:00:57 +0200 (CEST) Received: from localhost (10.75.127.45) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 24 Sep 2020 11:00:57 +0200 From: Amelie Delaunay To: Rob Herring , Greg Kroah-Hartman , Maxime Coquelin , Alexandre Torgue , Russell King , Heikki Krogerus CC: , , , , , Amelie Delaunay , Fabrice Gasnier Subject: [PATCH v3 2/6] usb: typec: add typec_find_pwr_opmode Date: Thu, 24 Sep 2020 11:00:45 +0200 Message-ID: <20200924090049.9041-3-amelie.delaunay@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200924090049.9041-1-amelie.delaunay@st.com> References: <20200924090049.9041-1-amelie.delaunay@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG5NODE1.st.com (10.75.127.13) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-24_05:2020-09-24,2020-09-24 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This patch adds a function that converts power operation mode string into power operation mode value. It is useful to configure power operation mode through device tree property, as power capabilities may be linked to hardware design. Acked-by: Heikki Krogerus Signed-off-by: Amelie Delaunay --- No changes in v3. No changes in v2. --- drivers/usb/typec/class.c | 15 +++++++++++++++ include/linux/usb/typec.h | 1 + 2 files changed, 16 insertions(+) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 02655694f200..35eec707cb51 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1448,6 +1448,21 @@ void typec_set_pwr_opmode(struct typec_port *port, } EXPORT_SYMBOL_GPL(typec_set_pwr_opmode); +/** + * typec_find_pwr_opmode - Get the typec power operation mode capability + * @name: power operation mode string + * + * This routine is used to find the typec_pwr_opmode by its string @name. + * + * Returns typec_pwr_opmode if success, otherwise negative error code. + */ +int typec_find_pwr_opmode(const char *name) +{ + return match_string(typec_pwr_opmodes, + ARRAY_SIZE(typec_pwr_opmodes), name); +} +EXPORT_SYMBOL_GPL(typec_find_pwr_opmode); + /** * typec_find_orientation - Convert orientation string to enum typec_orientation * @name: Orientation string diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 9cb1bec94b71..6be558045942 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -268,6 +268,7 @@ int typec_set_mode(struct typec_port *port, int mode); void *typec_get_drvdata(struct typec_port *port); +int typec_find_pwr_opmode(const char *name); int typec_find_orientation(const char *name); int typec_find_port_power_role(const char *name); int typec_find_power_role(const char *name);