On Thu, 9 Jan 2014 16:12:14 -0800, Benson Leung wrote: > Our devices and our platforms have some other requirements which > turned me away from using i2c_register_board_info. > > i2c_register_board_info looks to create predeclarations for a specific > i2c bus... However, right now, the chromeos_laptop driver is > structured to do explicit declaration (using i2c_new_probed_device) > *after* the busses have come up. > > Specifically, we have a class of atmel_mxt i2c touchpad/touchscreen > devices that may appear at different addresses depending on whether > the touch device is in bootloader mode or operational mode. > > For that reason, the chromeos_laptop driver uses i2c_new_probed_device > with a list of possible addresses when dealing with the atmel touch > device. > > You can see the driver here : > drivers/platform/chrome/chromeos_laptop.c > > Is there some way of getting the "probe" behavior while using > i2c_register_board_info?
No, i2c_register_board_info works only for devices which are always present at a known address. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
