Re: [PATCH v2] input: goodix: Check the 'buffer status' bit before reading data

2015-05-06 Thread Dmitry Torokhov
On Fri, May 01, 2015 at 04:13:55PM +0200, Bastien Nocera wrote: > On Fri, 2015-05-01 at 14:40 +0200, Paul Cercueil wrote: > > The MSB of the first byte read via I2C at the coordinates address > > indicates whether the data is valid or ready (called "buffer status" > > in > > the datasheets) when a

Re: [PATCH v2] input: goodix: Check the 'buffer status' bit before reading data

2015-05-01 Thread Bastien Nocera
On Fri, 2015-05-01 at 14:40 +0200, Paul Cercueil wrote: > The MSB of the first byte read via I2C at the coordinates address > indicates whether the data is valid or ready (called "buffer status" > in > the datasheets) when an interrupt is raised. Previously, this bit was > ignored, which resulted

[PATCH v2] input: goodix: Check the 'buffer status' bit before reading data

2015-05-01 Thread Paul Cercueil
The MSB of the first byte read via I2C at the coordinates address indicates whether the data is valid or ready (called "buffer status" in the datasheets) when an interrupt is raised. Previously, this bit was ignored, which resulted in a lot of incorrect detections of "finger removed" events. Signe