From nobody Mon Feb 9 18:19:41 2026 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 BDE5CEB64D9 for ; Mon, 19 Jun 2023 08:08:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230035AbjFSIIA (ORCPT ); Mon, 19 Jun 2023 04:08:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbjFSIH3 (ORCPT ); Mon, 19 Jun 2023 04:07:29 -0400 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC46CE63 for ; Mon, 19 Jun 2023 01:07:20 -0700 (PDT) Received: by mail-wm1-x32d.google.com with SMTP id 5b1f17b1804b1-3f90b8acefeso11564635e9.0 for ; Mon, 19 Jun 2023 01:07:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687162039; x=1689754039; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=mLNlz/8+ewTofYujo4xBdn+VfsPe1NjsAkjdE+/T2lI=; b=ypf1LEDMiMKQ3vtBsxUpM2Y8PxdybNAYinkxMuePJ99Ic9OGoLpwS9eipx+GRUqULV LOh9tUmRzT1pEyg6ggA0hSFLcoSKKZLOF9Zqgs1nCe9F4HSc7EFZqEnGvj/NKWirDsIy F/ShUyfrVQLTKJZTagzHf2AN5e57f6Sde6wf4Pez/WhAPH/tRkw+u3LE5GzTVIgQXSc+ LC+RZaTMUJb8nuoKZBCoeK5Wn8xJ+rT0ZQtsCbETdGUimrz9tgmGOd78K8Ne/MIqFv+i UnSiNLccIpKmATLuAqU5iEjEKpJz2C60Pyv5ZeN/bbzmJ1/+UElsOY/B2JgyrOl7mjsp d8oA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687162039; x=1689754039; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mLNlz/8+ewTofYujo4xBdn+VfsPe1NjsAkjdE+/T2lI=; b=RysHqf/8oRjaFUn06qmv40cIVRbBL+JuBu9BKxJmNn8JqMEPO1ae6S+wHCPae0D5Un wb3co/2ecG3R3mRaQdX6/CvIBtoxqdoACRPEa4rJahpJUN/gXfar2g7CkriFahH/biH8 mLzoTnhaHOsNaGYOPnAFNyqTjhVfjUMGCYmjbJBP1O20E/uIBH9dYLw1w+nJ44i8OzLk HCznWttFgkW5NBVlffEL77J5sMvU+C8IiGBe3ECe78A/kjD76t5q74RZX5eZT6u12dvL AAYj6I30dnDFs4vq4VFfC+lAvYx6nhzWXdopZhNxkzXFbilXsG6ZKm2VM6dQCHuyTZKj Th0Q== X-Gm-Message-State: AC+VfDwesF6QyWSYSIOFvViUk9eUfsXGkSrr/w/5Z32benqQYwBUKv42 uA25txtehkiHpe4wmhsoq8VDSA== X-Google-Smtp-Source: ACHHUZ5+rQ4Jr/7RSkSN7oUvn8ytUG0TXbfTA51QLD4m0Oxun7ifu3zNrDDpJx/zy12w5PTlib4tXg== X-Received: by 2002:a1c:4b0c:0:b0:3f9:b083:109 with SMTP id y12-20020a1c4b0c000000b003f9b0830109mr1473995wma.33.1687162039092; Mon, 19 Jun 2023 01:07:19 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id m19-20020a7bca53000000b003f801c12c58sm9791158wml.43.2023.06.19.01.07.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 01:07:18 -0700 (PDT) From: Neil Armstrong Date: Mon, 19 Jun 2023 10:07:13 +0200 Subject: [PATCH v5 1/6] soc: qcom: pmic_glink_altmode: handle safe mode when disconnect MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230601-topic-sm8550-upstream-type-c-v5-1-9221cd300903@linaro.org> References: <20230601-topic-sm8550-upstream-type-c-v5-0-9221cd300903@linaro.org> In-Reply-To: <20230601-topic-sm8550-upstream-type-c-v5-0-9221cd300903@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1767; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=gcoujHHWT0tH34VUiSmqNPPpiXV+hYxjsfgjgght78I=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBkkAyyb/2pY+hBP4/6WlOIiryCfUYYJxXEwcSj2Ood bQl8XoSJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZJAMsgAKCRB33NvayMhJ0fEGD/ 9OQAeQAMm2DUf7Z8a30TliWhmlQDZD5SLcq3KlqNYAMISV5sGpK/V+bF6BndjStX5mWz9ZCuVCp1vF 8h1gYHLvdjeq5jxnLFpbY/i5nmMD2Z3b8Key2MhdVX/WbMGtjiziBPeas54vkfWHiH5aTkVvn4L1pB TjueEZXrbiVXTFiG21jV4OjbNpvu2HAdnJZ3wyw1vRSKiTrkJC/33ywMdtUGB67qagGJVs3TnS7HHb L3H8SjTCVDyX+M2cZxHrPNdDitJLD0I3ElctrXcg1HiXdN96s61LrM+MrOSiA9vp7D9yjVC4UvMKOB ZNhCbmpGQJtB3+4qvjpgrPDZcNpXRUg2ATowzoZ89/IZes96zvJ8czr8tLhDziqx//a2PaIY9Gbvn3 j5YF+Kb9Aj+msRsDvHhCilGMRAoLBfFcw6HYRS9YoWiCBqGUjctDERB/5eoDTz2NKnOIIuB6rAbEHj m/kkuup3NxrdFuoyCRS5KxRPRew3xap4d6txNe2xlV1AiQcB77UmXStCiakQR178uxgJA+ncNuPj44 ma0qszwyzzJSgp8WdOOZ9DkOzDrMmxeGXq2ED9WbNI4OEIPfYQtSQkewQ7GcbvTwyaFa0eib3scWI7 9cqGvxtgNcKGAgofPy4N+QK/bzgwkYfzXHAldOyIGi0ObWUZnar5b2GnufZA== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On some Qcom SoCs, the Altmode event mode is set to 0xff when the Type-C port is disconnected. Handle this specific mode and translate it as the SAFE mode. Signed-off-by: Neil Armstrong --- drivers/soc/qcom/pmic_glink_altmode.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/soc/qcom/pmic_glink_altmode.c b/drivers/soc/qcom/pmic_= glink_altmode.c index df48fbea4b68..007d308e2f15 100644 --- a/drivers/soc/qcom/pmic_glink_altmode.c +++ b/drivers/soc/qcom/pmic_glink_altmode.c @@ -173,6 +173,20 @@ static void pmic_glink_altmode_enable_usb(struct pmic_= glink_altmode *altmode, dev_err(altmode->dev, "failed to switch mux to USB\n"); } =20 +static void pmic_glink_altmode_safe(struct pmic_glink_altmode *altmode, + struct pmic_glink_altmode_port *port) +{ + int ret; + + port->state.alt =3D NULL; + port->state.data =3D NULL; + port->state.mode =3D TYPEC_STATE_SAFE; + + ret =3D typec_mux_set(port->typec_mux, &port->state); + if (ret) + dev_err(altmode->dev, "failed to switch mux to safe mode\n"); +} + static void pmic_glink_altmode_worker(struct work_struct *work) { struct pmic_glink_altmode_port *alt_port =3D work_to_altmode_port(work); @@ -180,7 +194,9 @@ static void pmic_glink_altmode_worker(struct work_struc= t *work) =20 typec_switch_set(alt_port->typec_switch, alt_port->orientation); =20 - if (alt_port->svid =3D=3D USB_TYPEC_DP_SID) + if (alt_port->svid =3D=3D USB_TYPEC_DP_SID && alt_port->mode =3D=3D 0xff) + pmic_glink_altmode_safe(altmode, alt_port); + else if (alt_port->svid =3D=3D USB_TYPEC_DP_SID) pmic_glink_altmode_enable_dp(altmode, alt_port, alt_port->mode, alt_port->hpd_state, alt_port->hpd_irq); else --=20 2.34.1