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Wed, 4 May 2022 18:09:05 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2375.24 via Frontend Transport; Wed, 4 May 2022 18:09:05 +0100 Received: from algalon.ad.cirrus.com (algalon.ad.cirrus.com [198.90.251.122]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 330FFB10; Wed, 4 May 2022 17:09:05 +0000 (UTC) From: Charles Keepax To: Subject: [PATCH 01/38] ASoC: soc-component: Add comment for the endianness flag Date: Wed, 4 May 2022 18:08:28 +0100 Message-ID: <20220504170905.332415-2-ckeepax@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220504170905.332415-1-ckeepax@opensource.cirrus.com> References: <20220504170905.332415-1-ckeepax@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: 7cO-NHnns4JYpS7pti-6iw9cMIvGoLBc X-Proofpoint-GUID: 7cO-NHnns4JYpS7pti-6iw9cMIvGoLBc X-Proofpoint-Spam-Reason: safe Cc: oder_chiou@realtek.com, steven.eckhoff.opensource@gmail.com, alexandre.belloni@bootlin.com, lars@metafoo.de, kuninori.morimoto.gx@renesas.com, kmarinushkin@birdec.com, patches@opensource.cirrus.com, linux-mediatek@lists.infradead.org, lgirdwood@gmail.com, jiaxin.yu@mediatek.com, tzungbi@google.com, srinivas.kandagatla@linaro.org, matthias.bgg@gmail.com, chrome-platform@lists.linux.dev, codrin.ciubotariu@microchip.com, alsa-devel@alsa-project.org, bleung@chromium.org, cychiang@chromium.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add a comment to make the purpose of the endianness flag on the snd_soc_component structure more clear. Signed-off-by: Charles Keepax --- include/sound/soc-component.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h index 766dc6f009c0b..5a764c3099d3e 100644 --- a/include/sound/soc-component.h +++ b/include/sound/soc-component.h @@ -169,6 +169,15 @@ struct snd_soc_component_driver { unsigned int idle_bias_on:1; unsigned int suspend_bias_off:1; unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ + /* + * Indicates that the component does not care about the endianness of + * PCM audio data and the core will ensure that both LE and BE variants + * of each used format are present. Typically this is because the + * component sits behind a bus that abstracts away the endian of the + * original data, ie. one for which the transmission endian is defined + * (I2S/SLIMbus/SoundWire), or the concept of endian doesn't exist (PDM, + * analogue). + */ unsigned int endianness:1; unsigned int non_legacy_dai_naming:1;