From patchwork Tue Jan 14 09:38:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Chen X-Patchwork-Id: 11331713 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 B3837139A for ; Tue, 14 Jan 2020 09:43:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BD202084D for ; Tue, 14 Jan 2020 09:43:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728876AbgANJnF (ORCPT ); Tue, 14 Jan 2020 04:43:05 -0500 Received: from inva020.nxp.com ([92.121.34.13]:50206 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725820AbgANJnE (ORCPT ); Tue, 14 Jan 2020 04:43:04 -0500 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 43B821A04B3; Tue, 14 Jan 2020 10:43:03 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 47B431A048B; Tue, 14 Jan 2020 10:43:00 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 536AA402A8; Tue, 14 Jan 2020 17:42:56 +0800 (SGT) From: Peter Chen To: balbi@kernel.org Cc: linux-usb@vger.kernel.org, linux-imx@nxp.com, gregkh@linuxfoundation.org, Peter Chen Subject: [PATCH v3 1/2] usb: phy: show USB charger type for user Date: Tue, 14 Jan 2020 17:38:57 +0800 Message-Id: <1578994738-8872-1-git-send-email-peter.chen@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Current USB charger framework only shows charger state for user, but the user may also need charger type for further use, add support for it. Signed-off-by: Peter Chen --- Changes for v3: - No changes. drivers/usb/phy/phy.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 0277f62739a2..ad2554630889 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -34,6 +34,14 @@ struct phy_devm { struct notifier_block *nb; }; +static const char *const usb_chger_type[] = { + [UNKNOWN_TYPE] = "USB_CHARGER_UNKNOWN_TYPE", + [SDP_TYPE] = "USB_CHARGER_SDP_TYPE", + [CDP_TYPE] = "USB_CHARGER_CDP_TYPE", + [DCP_TYPE] = "USB_CHARGER_DCP_TYPE", + [ACA_TYPE] = "USB_CHARGER_ACA_TYPE", +}; + static struct usb_phy *__usb_find_phy(struct list_head *list, enum usb_phy_type type) { @@ -98,7 +106,8 @@ static void usb_phy_notify_charger_work(struct work_struct *work) { struct usb_phy *usb_phy = container_of(work, struct usb_phy, chg_work); char uchger_state[50] = { 0 }; - char *envp[] = { uchger_state, NULL }; + char uchger_type[50] = { 0 }; + char *envp[] = { uchger_state, uchger_type, NULL }; unsigned int min, max; switch (usb_phy->chg_state) { @@ -122,6 +131,8 @@ static void usb_phy_notify_charger_work(struct work_struct *work) return; } + snprintf(uchger_type, ARRAY_SIZE(uchger_type), + "USB_CHARGER_TYPE=%s", usb_chger_type[usb_phy->chg_type]); kobject_uevent_env(&usb_phy->dev->kobj, KOBJ_CHANGE, envp); }