Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-16 Thread Catalin Crenguta
On Fri, Dec 12, 2014 at 4:16 PM, Griffis, Brad bgrif...@ti.com wrote: How are you configuring ti,charge-delay in your dts? I've seen this behavior on some custom boards where we were using a smaller charge delay (0x400) to begin with, and by upping it to 0xb000 we resolved the issue. These

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-16 Thread Richard Cochran
On Tue, Dec 16, 2014 at 10:31:47AM +0200, Catalin Crenguta wrote: It seems that because the ribbon cable has both the analog and digital signals, the analog signals are affected by the digital ones (hence the touchscreen was working OK when the display was disabled). Putting decoupling

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-15 Thread Catalin Crenguta
On Fri, Dec 12, 2014 at 4:16 PM, Griffis, Brad bgrif...@ti.com wrote: How are you configuring ti,charge-delay in your dts? I've seen this behavior on some custom boards where we were using a smaller charge delay (0x400) to begin with, and by upping it to 0xb000 we resolved the issue. These

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-14 Thread Catalin Crenguta
On Fri, Dec 12, 2014 at 4:16 PM, Griffis, Brad bgrif...@ti.com wrote: How are you configuring ti,charge-delay in your dts? I've seen this behavior on some custom boards where we were using a smaller charge delay (0x400) to begin with, and by upping it to 0xb000 we resolved the issue. These

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-12 Thread Catalin Crenguta
Hello, I have tried your patches by cloning [1] and copying the relevant files over the kernel I've cloned from [2]. It compiles runs, but I'm seeing lots of pen-down/pen-up events when I'm not touching the screen. Any suggestions? Hardware: Beaglebone Black with BB-View 4.3 Cape from Farnell

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-12 Thread Vignesh R
On Friday 12 December 2014 02:10 AM, Sebastian Andrzej Siewior wrote: On 12/11/2014 09:34 PM, Nicolae Rosia wrote: Hello, Hi, Any updates on this series? I don't see it applied in [1] or [2]. I manage to freeze am335x-evm with those patches and I think Vignesh is looking into this.

RE: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-12 Thread Griffis, Brad
-Original Message- From: Catalin Crenguta [mailto:catalin.creng...@gmail.com] I have tried your patches by cloning [1] and copying the relevant files over the kernel I've cloned from [2]. It compiles runs, but I'm seeing lots of pen-down/pen-up events when I'm not touching the

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-11 Thread Nicolae Rosia
Hello, Any updates on this series? I don't see it applied in [1] or [2]. [1] https://github.com/RobertCNelson/ti-linux-kernel/commits/ti-linux-3.14.y/drivers/input/touchscreen/ti_am335x_tsc.c [2]

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-11 Thread Sebastian Andrzej Siewior
On 12/11/2014 09:34 PM, Nicolae Rosia wrote: Hello, Hi, Any updates on this series? I don't see it applied in [1] or [2]. I manage to freeze am335x-evm with those patches and I think Vignesh is looking into this. Regards, Nicolae Rosia Sebastian -- To unsubscribe from this list: send the

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-01 Thread Vignesh R
Hi Sebastian, On Monday 24 November 2014 05:21 PM, Sebastian Andrzej Siewior wrote: * Vignesh R | 2014-11-14 10:37:25 [+0530]: This series of patches fix TSC defects related to lag in touchscreen performance and cursor jump at touch release. The lag was result of udelay in TSC interrupt

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-01 Thread Sebastian Andrzej Siewior
On 12/01/2014 10:53 AM, Vignesh R wrote: Hi Sebastian, Hi Vignesh, I fixed the issue that was triggering the WARN_ON(). I think it would be better if you tested these patches, before I posted them on the mainline. I don't want to clutter the list with too main versions. Here is the link to

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-12-01 Thread Vignesh R
Hi, On Monday 01 December 2014 03:29 PM, Sebastian Andrzej Siewior wrote: On 12/01/2014 10:53 AM, Vignesh R wrote: Hi Sebastian, Hi Vignesh, I fixed the issue that was triggering the WARN_ON(). I think it would be better if you tested these patches, before I posted them on the

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-11-26 Thread Vignesh R
On Monday 24 November 2014 06:05 PM, Sebastian Andrzej Siewior wrote: On 11/24/2014 01:16 PM, Vignesh R wrote: I have tried running both IIO and TSC at the same time. But I have never seen WARN_ON() even after running for close to 30 min. Can you send me the exact script, so that it will

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-11-24 Thread Sebastian Andrzej Siewior
* Vignesh R | 2014-11-14 10:37:25 [+0530]: This series of patches fix TSC defects related to lag in touchscreen performance and cursor jump at touch release. The lag was result of udelay in TSC interrupt handler. Cursor jump due to false pen-up event. The patches implement Advisory 1.0.31 in

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-11-24 Thread Vignesh R
On Monday 24 November 2014 05:21 PM, Sebastian Andrzej Siewior wrote: * Vignesh R | 2014-11-14 10:37:25 [+0530]: This series of patches fix TSC defects related to lag in touchscreen performance and cursor jump at touch release. The lag was result of udelay in TSC interrupt handler. Cursor

Re: [PATCH v4 0/6] Touchscreen performance related fixes

2014-11-24 Thread Sebastian Andrzej Siewior
On 11/24/2014 01:16 PM, Vignesh R wrote: I have tried running both IIO and TSC at the same time. But I have never seen WARN_ON() even after running for close to 30 min. Can you send me the exact script, so that it will be easy to reproduce? Sure thing. - one shell evtest