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bh=yfDuILVJ/qrRaqU8xHoH2Xwtecz2dupT4Jbb53C42Yk=; b=mHMul8NPmW1Ni3JhrN9CZFT67qF9o+tNQt9kgvsbPh4rRkNJzN+RrWBGmHap8ChNaY VTA+xeSh8dOpz/69YEqoYvVrQG36/keXLIevd799L6+muTGNy+KgakrlniQHYceqBl9R /Bv0daoG5GgaP1/G8nS7gU65KEfblfzSvuCAdNnUn0cqBEwcAF5uNf4r14bHoqiCjmvo Hk+V90kMw8e4pdu2WzR3PdURxOQ+ZgyrzqZqofy9cVGWyNR8Ecze0s5WJvxMl1l3fb+X o80PQ0QoTi9qttaChh+BIKeQQ8UBfczrOKtKELuwcDYCdjqB6mRo7ykM0AMymFtkK72X DNeg== X-Gm-Message-State: AOAM533rF4UQ0OEaCjGGO/QuZmE2nI60P4yytNlbRXBkputuwEPIf11x TjmoTYAHrDVSRnZOWZWPy1KX7qM0QTZMrJpv9r0= X-Google-Smtp-Source: ABdhPJxoEslillAXm4KdMahYQZppkAGITUmkSjIpfL9o/fSNmiaqygZFF7zP3VcYAKQyGtzP0pX6x86BuieDRgbJ2x4= X-Received: by 2002:ac8:47da:: with SMTP id d26mr13176229qtr.292.1620472275009; Sat, 08 May 2021 04:11:15 -0700 (PDT) MIME-Version: 1.0 References: <1619157107-3734-1-git-send-email-shengjiu.wang@nxp.com> <20210504065736.bcnatgmy2gczynsr@pengutronix.de> In-Reply-To: <20210504065736.bcnatgmy2gczynsr@pengutronix.de> From: Shengjiu Wang Date: Sat, 8 May 2021 19:11:04 +0800 Message-ID: Subject: Re: [PATCH 1/2] ASoC: imx-akcodec: Add imx-akcodec machine driver To: Marco Felsch Cc: Shengjiu Wang , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , alsa-devel@alsa-project.org, Timur Tabi , Xiubo Li , Shawn Guo , Sascha Hauer , linuxppc-dev , Takashi Iwai , Rob Herring , Liam Girdwood , Nicolin Chen , Mark Brown , NXP Linux Team , Sascha Hauer , Fabio Estevam , linux-kernel X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210508_041116_667073_4E3BD6E3 X-CRM114-Status: GOOD ( 11.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi On Tue, May 4, 2021 at 2:59 PM Marco Felsch wrote: > > On 21-04-23 13:51, Shengjiu Wang wrote: > > Add machine driver for i.MX boards that have > > AK4458/AK5558/AK4497/AK5552 DAC/ADC attached to > > SAI interface. > > Why? Does simple-audio-card don't fit? No. We need to support asrc->sai->codec case, but simple-audio-card don't support it. simple-audio-card needs the cpu dai is dummy on BE. And we need to support the DSD format, this driver help to switch the dai fmt from pdm to i2s according to the DSD or non-DSD. best regards wang shengjiu _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel