On 01/04/2012 11:58 PM, Dmitry Torokhov wrote:
On Wed, Dec 21, 2011 at 06:09:51PM -0800, Christopher Heiny wrote:This patch implements a driver supporting Synaptics ClearPad and other touchscreen sensors that use the RMI4 protocol, as defined here: http://www.synaptics.com/sites/default/files/511-000136-01-Rev-E-RMI4%20Intrfacing%20Guide.pdf as well as successor documents that haven't made their way through to publication yet.
[snip]
- character device access to the RMI4 register map via rmidevCould you please tell me why this facility is needed?
In conjunction with an Android application (Synaptics RED), this allows the PC-based Design Studio 4 configuration and diagnostic tool to access the RMI4 sensor via USB, Wifi, Bluetooth, etc. We figured it might also be useful to the general development community, so we included it here.
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