From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.124 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793261326; b=Z3wwb1bDHU/CVT3U6SZKR1MXwwFluaEav/ulB/RU+lbSzNhq8UnxIei18cVLkGZZSwqD IFhqKobs6jeM08J/DfK83BAqX7GytXygKT3C4y3hXjqOIAKJQmXX1lC+HGkElHgpmf7XU H667keSCziJKxcCXOYjXaV7GLQQDVzCxOnSP54tgVkl1d+UudEt1avoOV81CsOagUqtP5 NF+vDv4ZD3LOpTpzrDQFNRb/wnJ3euwj+yxI/SFmWhKuac1OEtPCBnixW0ZPA50rnP0Kl C2slDn2tZkryDT5ztYtZzK6foQHnRGPZWsEmhGqV57YWmuH7Sp73nSVPZZ59C6OojlQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793261326; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding; bh=uMmXqKOWSDerKoZDexLe6ZA5akl0CdWFfN+grIqz/hM=; b=Tzeh1NNSiOSyyvvDOCWOMFRr918RN/+8GIFk3WeZw6/DHBsKimUP/adIAeN0akHdEyMH NATP/QPumJzLbdoBJi+Gn7wa+56OlIftfCvQuL+iWtbzxI44C303CDwOLPvBmQ9RM8n0E RLQROkYIzFOez8nLIcaP1xrdimNYLUS3/VL32isKYlJpJhHlQCCiGUMQY+XnGVHAI4orx EVi6dW5rGCjxHusrtMrrVtD62lAJQV1GPQjcHwttXntZYHueMBReqgKgZV3+CoMg2qOtt QAl2UIjWGitFse3+6kQ4vWDwnO/mfoHYLiBB4vbGeekUJG+fcMzRJ+Dfj4jml9jbgyA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=R4OCV9hK; arc=none smtp.remote-ip=91.218.175.124 Received: from mta0.migadu.com (out-124.mta0.migadu.com [91.218.175.124]) (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 85FB6606A31A for ; Thu, 29 Oct 2026 08:08:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 85FB6606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=R4OCV9hK X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=V2VelVUxdDMx4cPW1WDf+FAp9sAH8Gz07xIdBowp3g0=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1793261318; v=1; x=1793866118; b=R4OCV9hK32Yk1I9oOsFFlaCA6BIunQiDmokZ69V73MATNWepOumw8LgUXFYNxL6dEKopp2w0 FRFABRNBRK56nBKoLHi/O+d8Q4pgFzBRdXtyfSyNA1OUPbxIRuhQ0cW21mr99sspVlHKZO3WNRV 5ystsx6E4PdIU4CmT2k4mamU= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id a828defffc5abe13; Thu, 29 Oct 2026 08:08:38 +0000 X-Mizu-Trace-ID: a828defffc5abe13 X-Migadu-Flow: FLOW_OUT Message-ID: <529b2b8a-fc6b-435e-a7ac-e73bf4eec729@linux.dev> Date: Thu, 29 Oct 2026 09:07:23 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 02/13] ASoC: amd: acp: add ACP7.B/7.F SoundWire DAI link support To: "Mukunda,Vijendar" , broonie@kernel.org Cc: alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, yung-chuan.liao@linux.intel.com, Basavaraj.Hiregoudar@amd.com, Sunil-kumar.Dommati@amd.com, venkataprasad.potturu@amd.com, Syed.SabaKareem@amd.com, Mario.Limonciello@amd.com, Richard.Gong@amd.com, Poojitha.N@amd.com, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, sound-open-firmware@alsa-project.org References: <20261023065216.3473883-1-Vijendar.Mukunda@amd.com> <20261023065216.3473883-3-Vijendar.Mukunda@amd.com> Content-Language: en-US From: Pierre-Louis Bossart In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 10/29/26 05:56, Mukunda,Vijendar wrote: > On 26/10/26 02:41, Pierre-Louis Bossart wrote: >> It'd be useful to comment/explain why this routine only relies on a >> subset of IDS... > On ACP7x, each SoundWire data port has a dedicated DMA channel mapped > in hardware. This function selects only the ports required by the > currently supported ACP7x machine topologies: > >   AUDIO0_TX (0)  - headset/jack playback >   AUDIO4_TX (4)  - amplifier/speaker playback >   AUDIO0_RX (11) - headset/jack capture >   AUDIO4_RX (15) - amplifier/speaker capture (feedback) >   AUDIO5_RX (16) - DMIC capture > > The remaining port IDs are defined for completeness to represent the > hardware data port layout, but are not used by the currently supported > machine topologies. > > The ID numbering differs from ACP70 due to the hardware differences > between ACP70 and ACP7x. ACP7x uses a flat ID space, with TX ports > numbered 0-10 and RX ports numbered 11-21. > > Will add comments above the define block and the function to clarify > this in the next version. sounds good, thank you.