Hi, I am currently experienced problems with the apple_gmux driver while using a MBP retina 10,1. System description & behavior: -Ubuntu 13.04 with kernel 3.8-rc4. -dmesg: apple_gmux: Found gmux version 3.2.19 [indexed] -Under /sys/class/backlight I only have gmux_backlight. -Under gmux_backlight both actual and max brightness are equal to 2^24 = 16777216, while brightness value is within [0,1023] (the value can be changed) -The backlight is dimmed throughout the boot process and remains the same, without being possible to adjust it. If the following hack is applied then full brightness can be achieved, however it remains nonadjustable. #define HACK_VALUE 1023 ... In gmux_probe() : ... props.max_brightness = gmux_read32(gmux_data, GMUX_PORT_MAX_BRIGHTNESS); //hack props.max_brightness = HACK_VALUE; .... bdev->props.brightness = gmux_get_brightness(bdev); //hack bdev->props.brightness = HACK_VALUE; Does anybody have a clue to solve this problem? Thanks for the help, Rolando -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
