Hi Andy, I did tried the "ts_test" program, but was unable to get the correct trace. I resolved the problem by making below changes in the ads7846 .c linux driver, i was able to get the correct pattern (figure 1) with "ts_calibrate". Original: input_report_abs(input, ABS_Y, y); Modified: input_report_abs(input, ABS_Y, (4095 - y)); regards Nitesh
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