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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We are trying to set calibration matrix on imx6 platfrom.<o:p></o:p></p><p class=MsoNormal>We are able to set the touch calibration matrix using udev (static) on imx6 platform.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Our requirement is to set the calibration matrix dynamically during the run time from the application.<o:p></o:p></p><p class=MsoNormal>Libinput provides api's for setting the calibration matrix, so using them. I tried setting, but the touch changes does not get reflected.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using following api<o:p></o:p></p><p class=MsoNormal>1. libinput_path_create_context()<o:p></o:p></p><p class=MsoNormal>2. libinput_path_add_device()<o:p></o:p></p><p class=MsoNormal>3. libinput_device_config_calibration_has_matrix()<o:p></o:p></p><p class=MsoNormal>4. libinput_device_config_calibration_get_matrix()<o:p></o:p></p><p class=MsoNormal>5. libinput_device_config_calibration_set_matrix()<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have attached the c file used for touch calibration for your reference,<o:p></o:p></p><p class=MsoNormal>where TouchCalibrationMatrix() is performing all operations.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>After setting the new calibration and reading back the calibration, I can see that calibration matrix is set, but it is not getting reflected in the touch.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can you please let me know where I am going wrong.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks & Regards,<o:p></o:p></p><p class=MsoNormal>Poorna Chandra Sekhar Alamanda.<o:p></o:p></p></div></body></html>