On 19/07/2013 11:13, Hector Palacios wrote: > The LRADC virtual channels have an 18 bit field to store the sum of up > to 2^5 accumulated samples. The read_raw function however only operates > over a single sample (12 bit resolution). > In order to use this field for scaling operations, we need it to be the > exact resolution value of the LRADC. > Besides, the driver was using an 18 bit mask (LRADC_CH_VALUE_MASK) to > report touch coordinates to userland. A 12 bit mask should be used instead > or else the touch libraries will expect a coordinates range between 0 > and 0x3ffff (18 bits), instead of between 0 and 0xfff (12 bits). > > Signed-off-by: Hector Palacios <hector.palacios@xxxxxxxx> > --- > Looks good to me: Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
