From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 676A563B8 for ; Mon, 20 Feb 2023 13:57:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E46C2C433EF; Mon, 20 Feb 2023 13:57:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1676901421; bh=e5xKhM6EHuypLaXFIb6K7TSOUUobBXtWAZExTQ7ruVk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WvvoXhvr8LT0Gb4IvNlDaBC39CO+EBZMOsVgYUwSIzEafal4ejdwzlv0PR/oK1nnk DBUGHdanSkKYOJPnKEKq7TNoIxNMIG/EQu6yyZgpfoJAS7E04SG0kZLVEMKe/KRfs5 k9mLRAAF3+xY8j7+m0AOg63NUidEUHMUDqIiVZCs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pierre-Louis Bossart , Ranjani Sridharan , =?UTF-8?q?P=C3=A9ter=20Ujfalusi?= , Bard Liao , Kai Vehmanen , Mark Brown , Sasha Levin Subject: [PATCH 6.1 011/118] ASoC: Intel: sof_cs42l42: always set dpcm_capture for amplifiers Date: Mon, 20 Feb 2023 14:35:27 +0100 Message-Id: <20230220133600.849665712@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230220133600.368809650@linuxfoundation.org> References: <20230220133600.368809650@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Pierre-Louis Bossart [ Upstream commit e0a52220344ab7defe25b9cdd58fe1dc1122e67c ] The amplifier may provide hardware support for I/V feedback, or alternatively the firmware may generate an echo reference attached to the SSP and dailink used for the amplifier. To avoid any issues with invalid/NULL substreams in the latter case, always unconditionally set dpcm_capture. Link: https://github.com/thesofproject/linux/issues/4083 Signed-off-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Reviewed-by: Péter Ujfalusi Reviewed-by: Bard Liao Signed-off-by: Kai Vehmanen Link: https://lore.kernel.org/r/20230119163459.2235843-3-kai.vehmanen@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/intel/boards/sof_cs42l42.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/intel/boards/sof_cs42l42.c b/sound/soc/intel/boards/sof_cs42l42.c index e38bd2831e6ac..e9d190cb13b0a 100644 --- a/sound/soc/intel/boards/sof_cs42l42.c +++ b/sound/soc/intel/boards/sof_cs42l42.c @@ -336,6 +336,9 @@ static int create_spk_amp_dai_links(struct device *dev, links[*id].platforms = platform_component; links[*id].num_platforms = ARRAY_SIZE(platform_component); links[*id].dpcm_playback = 1; + /* firmware-generated echo reference */ + links[*id].dpcm_capture = 1; + links[*id].no_pcm = 1; links[*id].cpus = &cpus[*id]; links[*id].num_cpus = 1; -- 2.39.0