From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.31 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792484040; b=hyikna3TnHkMqYiGjrIcA4aYntY6xfNng9cXTzUI0u08elE7cz7ZePrZD+cB4iu4FL/Y WkTIo5jZKIXTGXmlNksMYKqiEwtNirT7LmCY8SYIdgehUFGU2s/94SdxDNFbe/gUBBWrJ b2KBLj0KVV+WkUl5m9sW2vUUReUFVaMV3WJz/dm9y0mVe6+5s0+6OJLoD0gVZgQj+jEMY pItZdnTrfK61Q8zyezhe+zdQvXFV6OZY1PaBGygd7zz+D0UU9usNatx3IVRnOsBmXjZ9E vD+tBgIWyZ5bsDpQgxFkuNx/IUxn7pPnaU8qqYvZt0fFZJOTvtQENs7t/UKfCwdYAEg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792484040; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:To:Cc:Subject:Date:Message-ID: X-Mailer:MIME-Version:Content-Transfer-Encoding; bh=X4bINhtKBaaElpvArj+vZ2TGO7bG1iKJJOaA7N4cXl0=; b=TqGWfO4+QRN0ip3PFgN3dF1OI5bylGR9mNMgj+PKJYMXxKsL8AFeyFpEhlZNsW1BKyCH U8fJ1BWYTHEnQoqMbVpBQd0sl0xpQ0DXtEx3r+dovqMnqlCC8zMxZSZ12JjIJwhtvba/b 0TGAJLsSYu6XDbyEAOsYYif80dmUi9QBgRmBQJqX2TtRtKepuTi7sGZdrRrHhGbg9axfQ 7h/LBbgmLYgdtpmxnPdMTuZ6kiASxrSTkDnc568nA5oW+9ld6iAel2Yu8Nx35688DmEFm IEHsCGNrbmoHfkDNrYDKRfXwtkTiwXYfWD2iMgE7DlyagwL/bpwMof8PsO617CqzWfA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=packett.cool; spf=pass smtp.mailfrom=packett.cool; dkim=pass header.d=packett.cool header.i=@packett.cool header.a=rsa-sha256 header.s=key1 header.b=pciucoBX; arc=none smtp.remote-ip=91.218.175.31 Received: from mta0.migadu.com (out-31.mta0.migadu.com [91.218.175.31]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 67ECC606A31C for ; Tue, 20 Oct 2026 08:13:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 67ECC606A31C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=packett.cool Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=packett.cool Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=packett.cool header.i=@packett.cool header.a=rsa-sha256 header.s=key1 header.b=pciucoBX X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=t+xbYwZwz/irX9ML7U6cwCqnY9N37pIe4TbNWL6A6gc=; c=simple/simple; d=packett.cool; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792484037; v=1; x=1793088837; b=pciucoBXuAbjTJk/b+bPPUdE9Qskblprf+3oEcW068O0+zLHUs/JZdBPqOaN8mjj4+d/XOfV RWPd701+QN5/MAVYEV79e//gt+gssNMv3YmU8IFrU4PpDLaaL7Yck/Ewo9UO0DOeP2dIBBFo7hP 2XCBHgQmN6N/o8Fy6fYHNlwlE2DXrKhnrz+/WceeDRMt2MuGbjYm5qANwPHm9A5l480jFeVBdqs 4yywm+uCqYXx5f1Ixlh3+esDPOP/YSSilHPN0Zj/Z+f2Dh/76jnjFDr9qTvslAj42uSqXICD3IU N8yX84rEcO86amNbisz46V5BfSKcp47j2hDVWT/0/e0DA== X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 56071984f75ef8a4; Tue, 20 Oct 2026 08:13:56 +0000 X-Mizu-Trace-ID: 56071984f75ef8a4 X-Migadu-Flow: FLOW_OUT From: Val Packett To: Cc: Val Packett , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Bjorn Andersson , Neil Armstrong , Luca Weiss , ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 0/2] usb: typec: fsa4480: Support reporting hotplug events to a codec Date: Tue, 20 Oct 2026 05:12:52 -0300 Message-ID: <20261020081343.1507986-1-val@packett.cool> X-Mailer: git-send-email 2.55.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Currently the fsa4480 USB-C SBU MUX is not actually used with audio codecs in mainline. I have gotten it to work with the wcd937x codec on sm7325-motorola-dubai (copying the Type-C notification handler code from wcd939x to wcd937x, will be sent after this). v2: * Rephrase dt-binding commit/desc to be about hw connections (Krzysztof) * Remove usb-switch-ports.yaml, inherit port instead of port-base for port@1, require port@0 inside of ports (sashiko-bot) * Put the codec/codec_switch references in fsa4480_remove (sashiko-bot) (also I thought about this myself but assumed they were managed when successfully attached.. but no, looks like they are not) v1: https://lore.kernel.org/all/20261018225906.1265299-1-val@packett.cool/ Thanks, ~val --- Luca Weiss (1): usb: typec: fsa4480: Report switch & mux events to codec Val Packett (1): dt-bindings: usb: fsa4480: Add an optional audio port/endpoint .../devicetree/bindings/usb/fcs,fsa4480.yaml | 99 +++++++++++++------ drivers/usb/typec/mux/fsa4480.c | 57 +++++++++-- 2 files changed, 118 insertions(+), 38 deletions(-) -- 2.55.0