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x-ms-exchange-antispam-messagedata: ClxthGaQVqoXf+ggxkPZORNQbRPiMriKDCo9IowgilMVs9Trt3FQQuhEGIliID8wH2ODtDu9OXFaEnNoS8zatWMeR6Zh7IY2+YilkNCJ7q3BPgcdPszwVzB69ePWUkGwhVRKpM3yT1YcxQ6ECp72hKP/If1R502cebG8oPTWTwoAK0ku0QbVNht4zMAZ9qv7r3W2H8KF+4xVEYexSBMRsSQQOjO6Dh5qOWLEcdb8X78kVSIGfQ4etZsBAQZmeLJWtl91AYVZTVCg+VZpX5NokGH8sGOdk4/pC0O4SH51ZfSRJL7/3ppsw8hvCEB7NVkg/GFxrpK0XxzDS/YOyXwB5W6X53xFXe6qByaMW3Udy1F6eOU9jdVGLpmsYYxHijLpXJO0AEmf43LGn9fP+d3INohw+76JHFcM1T7nQHpDrLt0b+l8JwRBkeuHJUYY/tpA6UyaJFFHbUKXBeM6Vf5L2kzgTJv4y37aUjsEM0H0w9ac2pKr89Lzb6HOn68TNYiwqiTa8XbsRD6jmFyYIgL25c0EW1QVB2GPOLWSDlB/J4cV3sOo1JH6IZZmh/yN6RxqG3Bfth/duvvVEhdddHVk7E+sLydcpkbuMBkbLIdJUWTNBkaLfA9qwucZ+K4GSFX6ZGag2+iFSNQ2U4hBFOMBCQ== Content-Type: text/plain; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY4PR1101MB2341.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 28e66f7c-3827-41e6-6e1c-08d850b04712 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Sep 2020 08:55:30.8592 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: LM00InGX560ruvvsdhtkuJ7WhcbmOHyZrmC3m16cj/t/Sk3h8RvuGDq6ZPCoYRopqXxBWa+14y+G7EUBD0aDUZpAnMkNTBbOepaXzz8SR3Q= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR11MB0070 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org On 26.08.2020 09:14, Wolfram Sang wrote: >=20 >> Thanks, this would be great! I tested this on a sam9x60, with the HW >> feature for the 9 pulses disabled, with a picky audio codec as I2C devic= e. >> Please let me know of the result. >=20 > I can't make use of the feature on the platform I had in mind, sadly. It > doesn't really support switching from/to GPIO pinctrl states. If that > ever changes, I will add bus recovery for that controller, but I think > this is low priority. The pinmux driver needs to have strict set to false, otherwise the=20 switching is not available, not at this time at least. Perhaps there is=20 room for improvement here, because the I2C bus is not using the pins=20 while we are doing GPIO recovery. >=20 > On the good side, there are patches which make i2c-mv64xxx another user > of your new mechanism, so everything is well, I think. >=20 I saw them, I will try to take a look. I am not sure I'll have time the next week to work on what you asked me=20 regarding sh_mobile and PXA, but I will look into it the week after that. Sorry about my delayed reply, I was on vacation. Best regards, Codrin