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Thu, 16 Jul 2020 10:54:40 +0100 (BST) Subject: Re: [PATCH 0/4] ASoC: fsl_asrc: allow selecting arbitrary clocks To: Nicolin Chen Cc: alsa-devel@alsa-project.org, Timur Tabi , Xiubo Li , Liam Girdwood , Takashi Iwai , Rob Herring , linux-kernel@vger.kernel.org, Mark Brown , kernel@collabora.com, Fabio Estevam References: <20200702142235.235869-1-arnaud.ferraris@collabora.com> <20200702184226.GA23935@Asurada-Nvidia> <3f39a0bb-a766-f646-28b3-a51cf9983c6b@collabora.com> <3fea8912-63df-ff27-0c29-6284a85107ab@collabora.com> <20200714201544.GA10501@Asurada-Nvidia> <20200714202753.GM4900@sirena.org.uk> <20200714205050.GB10501@Asurada-Nvidia> <20200715140519.GH5431@sirena.org.uk> <0a56326b-27a9-d9f4-3923-8773963d7548@collabora.com> <20200715204636.GA14539@Asurada-Nvidia> From: Arnaud Ferraris Autocrypt: addr=arnaud.ferraris@collabora.com; keydata= mQINBF6V3oEBEADExzr1s9YngScJ0KNMGen7k3cH1sn0h7tf7AFlXA94jXBgFyzIMT5lqey0 9LwcO6AIkFF+gRVAKIblkeacsy5W6OQXgdFMitx936oAcU0XYQ2X5NxCQHzEsWYzkLIZnFTB Ur3CW9HtAjAircED5KVJzA1GM8BEFfG3LoonWsw0CO9UN2arwT1uLARSPgL6LPpmo1IOSwJh D6vtOyzlRrLkw4KHzUobEiIjxzjXttH8TC3I6OSb8kavG08cmA+DMf/nLFxK0QbdOP2wSZ0w UTU6RBikuLmDBaT4PphuwtAgVwhO9l0PNRoYzugrXuRF0RCLpmJN05tz/o/w7Y8ieLgQE8Om xGKXJyo0T4wlUl9ARM9Y0ZIRhdI1alFspBcF63oyZmOAT+2fPLr6W0fEfmtMBhDaZun2ZdKR M1JwTTkh8jVLs3svM3Ch2JjiH0kgYA0oza5fXaB9s4Fa4fxpmacx8fawKR5r/BhmYNK15PPd YxIZJqnTJgCDI2G4tQ9K+Eev1rBo6i8n96rDqxTxdyQixMhxMmGtj6/bknpVIN947ABKDHdt UsWa4E+qwFrYDXT7RxhL+JGn4VrtIR1kpTJHfmVXnn+RW7JKdDkalvEuXJSOArszcgpDlYRq +ZT/ybdcmdtuz8+Ev0fig/9WdPBHwg5oKDlT6+iN0oISAzoFSQARAQABtC9Bcm5hdWQgRmVy cmFyaXMgPGFybmF1ZC5mZXJyYXJpc0Bjb2xsYWJvcmEuY29tPokCVAQTAQgAPhYhBHlts5Pc P/QCIrbqItPrtZZruZGWBQJeld7dAhsDBQkDwmcABQsJCAcDBRUKCQgLBRYCAwEAAh4BAheA AAoJENPrtZZruZGWvCwP/iJn8kooQetvJHGEoGe34ICPsoU6T25R+hysK1Nd2WyxxGSMKpCz l8NzoT2/Ij1yTsK0gqTIpl8++wNdlnTxFne0CsKB1G3R7DYoYl/FQQ32J13lA9zi01Q7CGW9 XTdvIYAGlQBINXhRNCKQTqeIrdcr3kDqzzl4pwnZZpAis6+R9Du14ByPJeCi+LccTzHJHJka e2gTEBneyTFO8f6jatGK1PtAjgr/DIbHxWeCom47HjqmOuqfTrPqjPvB48uY3XzlnOwpTDN6 /dbV4eV+Y+Wz9NphnKi2mOoyaAcMTm4JnT6AaYulus2w5Hrcn7oPZMSWXLLB4UhuiD9gdZMC SNjP0rtRIEEJLp5dJ0+ZYoVq9jI8wUVnX+Mo1kYSQHsiLBvpRQ8d5qoKdIfCAqJMYpu1DtuP QpBjP93Eit/V0SReB/z10calGC98u1sO2b9EsbglBO7wVKnltiKtPkBUmwCx9xUKUznQITte KKX+rQJKZpYUZbTKxPtVY7uwl9LR23ClIIMLD3ynGMRoHA0fLP4XgWEaEl1PXTUNhKgq0ze0 ss4DQyDcGmvVzRvCSNuBBNqmnravY3xWepaZUS5ZW1UK3aM3elce1ROoSTJ7QeIDeqgZFghD QPHN/Mm+STVzWu7fdnwLtifM6cPxENbGooIcDxZxdCZJBTPs2MyGRTGkuQINBF6V3oEBEAC2 wPaxEIKrqMR3f58Tj2j/fIaTxzqv5g449HN5+mkMzl05fNtlkWMpxDQhMPKaNDYgayaVBujP GSr0x3Na3nf7olOF1MWe396vhhHsOgsCglpdpZnOu6VBfUBjUnwtFr0GldBfGKsFQcC5/lOo FFLF6mUJgvXhfBEcaFkqBXjndRSIYI/6Jo3ryTbUZGuorOVlC97RZEZYOS8detm/MPyuoXMN Wp+UKXMrHe9b6+GW0r1qtoP9arCS0wVsE6pFsUnAXtjre4tsFf6CZIBZG9+JsQpHuk4ooeac hYKnYu+KN4cxbjozheeRQmLCcis6sZ3OnlwEroYKKzH88sAOJRSSlF2DtuyqEHJkzuhZxauR Qr1IV1zYQxVTncga7Qv18mOBhvQUoZHMbZUlKMlPgvEofzvim6mKWuMa7wrZEYpmwu4O+hv0 cJiddomrfqjVJVXYOPL7Wln6B+2MSzx7tlkErGOzRqnaFURh4ozFj5MI/p4aFSjVnwvhm8bW ha26I4pEV2uwSiDWPuUN4DBwbic5HRB5/zM5tdKJ1k95NXAMShtdIR5095fc+4RgDYXWlSk4 GO30TrRq79jWvwZM4Zi1UzdzQoQKx4CerOqKHsr2JgAcYhMZ2iIJeLanxfMhKPXm7gZSMBM9 RbR+LbURmbUuBltRveD1u+W0u/hYoVk5jwARAQABiQI8BBgBCAAmFiEEeW2zk9w/9AIituoi 0+u1lmu5kZYFAl6V3oECGwwFCQPCZwAACgkQ0+u1lmu5kZbGmQ//dvuwymICHP7UfB7fdXyq CGaZAVKnr+6b1aTO1Zmxn7ptj47mIkA5oLA3eJLGIQsyEFas85Wj0A2l8ZrRz/brfB3zuR82 wwm2ro/I5roO9IX0VexySb3fPgvsMTwYt1gHlUZbTojnm3DbUOuWhU4mHL9tVg1cKGZP92/Y LbOGYLgWFp9tn9gcTUEXoKFWbI3K/SunlD6Wr9FQxnHs9DLrJ/xCLPq/B2lnpR6ZqoUupn5G 2I0vcAW6SpT4A4cnIbTBNJVo2CaZFQZ5u9ZmPyQhUgTZmciNU2k2WJNEhVG46ym/Hfox0JCv 7ScUr/PdWlJnsiVHaKaVyA/nHZkd9xNKH9+fJezvkSWOODpOWgVhISFEpp6CQhqT4lukXJfg dGrHwajvp+i/iL9FcNZenpEMbYhu71wMQNSpbO7IU4njEuFNnPY7lxjxmFfCEQEqyDCwowD2 cjsHzQk9aPtYl6dABevfk/Pv1EspBtkf8idYmtgZk/9daDd9NfDGVWZX2PZrHPkxiC6kJlq+ 9skF89liUCOGeIbfT4Gp/GNOWPRp1q2lj/12AT3yh97E9PghVdOOkxdHfFRIxt6qfcinl3w0 ihwz588Q48GmFzJw0LOidtCC5tW4m2CX01Gq7qdGd92R0+S36Zjxl8n2jhypQ1zRmrngf7M5 xZQG6fKWuIur3RI= Message-ID: <041b4f2f-b6cf-1403-7a6b-5d77b818ce4d@collabora.com> Date: Thu, 16 Jul 2020 11:54:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200715204636.GA14539@Asurada-Nvidia> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 15/07/2020 à 22:46, Nicolin Chen a écrit : >> Calculations are indeed good, but then the clock selection setting in >> the ASRCSR register would also use SSI1 as the input clock, which >> doesn't work in our case. > > Could you please elaborate why it doesn't work? > Hmm, actually it was a userspace issue, kernel-wise it could work fine with SSI1 as input clock, so please ignore this latest comment. Regards, Arnaud