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Thu, 1 Oct 2020 17:34:22 +0000 From: Sameer Pujar To: , , , , , , , , Subject: [PATCH v3 06/13] ASoC: simple-card-utils: Expose new members for asoc_simple_priv Date: Thu, 1 Oct 2020 23:03:00 +0530 Message-ID: <1601573587-15288-7-git-send-email-spujar@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1601573587-15288-1-git-send-email-spujar@nvidia.com> References: <1601573587-15288-1-git-send-email-spujar@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1601573619; bh=TnQC3AMzHJvCLc6PzO7nm4Imy6ab/tEd095RThQjCi0=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Type; b=RpitwpNMhaOfs6SsD/PwdvmVMQH79tV7duBLmM49M6xf85Cx1d62RKWPgi1rS2tPq RUIz917LCh3Im01vIBDRu++l2h9Enkp6A/y2axdmen4ryp0iMTJZpjfPT13MN3AIXn 1KplgaPsPfHwVS/e5so9ESktrrZQYBlZ6HJy4kQALNFXDJ71eWu74Aio3SaXnQzgxt fKdf0aHbIXpV6XIDcp1fYGEclXkZAkpkjMe2Gg/BJbpME0HSPG1vrXzKvKsmj3a5p+ nL/ZxbJfsU68Oh0VlGD7Y0j/4a5Zze+52EzXhGp29lLw2WjyHF9zGzBMZxdTKLb4yw uCZqW1KVyxrGA== Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, nicoleotsuka@gmail.com, swarren@nvidia.com, Sameer Pujar , linux-kernel@vger.kernel.org, atalambedu@nvidia.com, viswanathl@nvidia.com, sharadg@nvidia.com, nwartikar@nvidia.com, linux-tegra@vger.kernel.org, rlokhande@nvidia.com, mkumard@nvidia.com, dramesh@nvidia.com 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 new members in struct 'asoc_simple_priv'. Idea is to leverage simple or graph card driver as much as possible and vendor can maintain a thin driver to control the behavior by populating these newly exposed members. Following are the members added in 'asoc_simple_priv': - 'ops' struct: In some cases SoC vendor drivers may want to implement 'snd_soc_ops' callbacks differently. In such cases custom callbacks would be used. - 'force_dpcm' flag: Right now simple or graph card drivers detect DAI links as DPCM links if: * The dpcm_selectable is set AND * Codec is connected to multiple CPU endpoints or aconvert property is used for rate/channels. So there is no way to directly specify usage of DPCM alone. So a flag is exposed to mark all links as DPCM. Vendor driver can set this if required. - 'dpcm_selectable': Currently simple or audio graph drivers provide a way to enable this for specific compatibles. However vendor driver may want to define some additional info. Thus expose this variable where vendor drivers can set this if required. - 'data': A void pointer member is provided. This would be useful when vendor driver wants to define its own structure for internal usage and still wants to rely on most of the other members from 'asoc_simple_priv'. Subsequent patches in the series illustrate usage for above. Signed-off-by: Sameer Pujar Cc: Kuninori Morimoto --- include/sound/simple_card_utils.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 86a1e95..9825308 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -56,6 +56,10 @@ struct asoc_simple_priv { struct asoc_simple_dai *dais; struct snd_soc_codec_conf *codec_conf; struct gpio_desc *pa_gpio; + const struct snd_soc_ops *ops; + unsigned int force_dpcm:1; + uintptr_t dpcm_selectable; + void *data; }; #define simple_priv_to_card(priv) (&(priv)->snd_card) #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) -- 2.7.4