On Tue, Nov 29, 2016 at 11:11:35AM +0530, Mugunthan V N wrote: > On Friday 25 November 2016 03:29 PM, Lee Jones wrote: > > On Fri, 25 Nov 2016, Mugunthan V N wrote: > > > >> Hi Dmitry Torokhov, > >> > >> On Thursday 10 November 2016 10:05 PM, Mugunthan V N wrote: > >>> This patch series enables ADC to be clocked at 24MHz as the > >>> TI AM335x ADC driver has already adopted to use DMA to transfer > >>> ADC samples. Now ADC can generated upto 800K Samples per second > >>> with the patch [1] on AM335x BBB and AM437x GP EVM. > >>> > >>> when ADC ref clock is set at 24MHz, I am seeing some issue with > >>> touch screen pointer as the pointer jumps to random locations > >>> with free draw application. The issue is due to increase in ADC > >>> clock and charge delay for the touchscreen ADC line duration > >>> reduced. > >>> > >>> So the notation of ti,charge-delay in terms of ADC clock is > >>> wrong, it has to be represented in time and driver has to convert > >>> the charge delay time to ADC clocks based on what ADC clock > >>> frequency is set. > >>> > >>> Measured the performance with the iio_generic_buffer with the > >>> patch [2] applied > >>> > >>> Verified the touch screen on AM335x GP EVM and AM335x BBB LCD7 > >>> cape with [3] dts for display and touch screen to work. > >>> > >> > >> Since there are acks from DT and MFD maintainers, can you pull the patch > >> series if you do not have any more comments. > > > > Cant do anything without *all* Acks. > > > Hi Dmitry Torokhov, > > Can you provide your inputs on the patch series. You have my ack for the input bit. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
