Hi Eric, Did u apply this patch for u r touch screen problem? I have applied it but for me co -ordinate is reverse , any view on this problem, is there anything gone wrong with patch?
Best Regards, Rajesh On Thu, Feb 5, 2009 at 4:27 PM, Rajesh N <[email protected]> wrote: > Hi Eric, > > Few mins back I enabled touch screen on Imx31 from freescale, plz apply > this patch to u r source code , it will work !, there is a small problem in > this patch as co-ordinates r wrongly mapped ,I mean to say it is in reverse > , so it need to be rectified!!! kindly update u r status after applying this > patch. > > ==================================================================== > ,diff -ur linux-2.6.22/drivers/input/touchscreen/mxc_ts.c > linux-2.6.22/drivers/input/touchscreen/mxc_ts.c > --- linux-2.6.22/drivers/input/touchscreen/mxc_ts.c 2008-06-02 > > 20:40:12.000000000 +0900 > +++ linux-2.6.22.android/drivers/input/touchscreen/mxc_ts.c 2008-06-17 > 18:49:28.000000000 +0900 > @@ -38,6 +38,15 @@ > > #define MXC_TS_NAME "mxc_ts" > > +#define X_AXIS_MAX 1000 > > +#define X_AXIS_MIN 80 > +#define Y_AXIS_MAX 1000 > +#define Y_AXIS_MIN 80 > +#define PRESSURE_MAX 1 > +#define PRESSURE_MIN 0 > > static struct input_dev *mxc_inputdev = NULL; > static u32 input_ts_installed; > > @@ -50,15 +59,39 @@ > try_to_freeze(); > memset(&ts_sample, 0, sizeof(t_touch_screen)); > pmic_adc_get_touch_sample(&ts_sample, !wait); > - > +#if 1 > + if((ts_sample.x_position >= X_AXIS_MIN) && > > + (ts_sample.x_position <= X_AXIS_MAX) && > + (ts_sample.y_position >= Y_AXIS_MIN) && > + (ts_sample.y_position <= Y_AXIS_MAX)) { > + > + input_report_abs(mxc_inputdev, ABS_X, > ts_sample.x_position); > > + input_report_abs(mxc_inputdev, ABS_Y, > ts_sample.y_position); > + input_report_abs(mxc_inputdev, ABS_PRESSURE, > + ts_sample.contact_resistance); > + > + input_report_key(mxc_inputdev,BTN_TOUCH,1); > + } > > + else { > + input_report_key(mxc_inputdev,BTN_TOUCH,0); > + } > + input_sync(mxc_inputdev); > + > + wait = ts_sample.contact_resistance; > + msleep(20); > +#else > input_report_abs(mxc_inputdev, ABS_X, ts_sample.x_position); > > input_report_abs(mxc_inputdev, ABS_Y, ts_sample.y_position); > input_report_abs(mxc_inputdev, ABS_PRESSURE, > ts_sample.contact_resistance); > + > input_sync(mxc_inputdev); > > wait = ts_sample.contact_resistance; > > msleep(20); > +#endif > } > > return 0; > @@ -77,6 +110,12 @@ > mxc_inputdev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); > mxc_inputdev->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH); > mxc_inputdev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); > > + input_set_abs_params(mxc_inputdev,ABS_X,X_AXIS_MIN,X_AXIS_MAX,0,0); > + input_set_abs_params(mxc_inputdev,ABS_Y,Y_AXIS_MIN,Y_AXIS_MAX,0,0); > + > input_set_abs_params(mxc_inputdev,ABS_PRESSURE,PRESSURE_MIN,PRESSURE_MAX,0,0); > > input_register_device(mxc_inputdev); > > input_ts_installed = 1; > > ======================================================================= > BTW I found ipu had some problem.following image is fix image. > > > diff -ur linux-2.6.22/drivers/mxc/ipu/ipu_common.c > linux-2.6.22/drivers/mxc/ipu/ipu_common.c > --- linux-2.6.22/drivers/mxc/ipu/ipu_common.c 2008-06-02 > 20:40:13.000000000 +0900 > +++ linux-2.6.22.android/drivers/mxc/ipu/ipu_common.c 2008-06-17 > > 18:49:40.000000000 +0900 > @@ -588,23 +587,28 @@ > > if (dma_chan == IDMA_CHAN_INVALID) > return -EINVAL; > - > spin_lock_irqsave(&ipu_lock, lock_flags); > > if (bufNum == 0) { > reg = __raw_readl(IPU_CHA_BUF0_RDY); > > +#if 0 > if (reg & (1UL << dma_chan)) { > spin_unlock_irqrestore(&ipu_lock, lock_flags); > return -EACCES; > } > +#endif > __raw_writel(DMAParamAddr(dma_chan) + 0x0008UL, IPU_IMA_ADDR); > > __raw_writel(phyaddr, IPU_IMA_DATA); > } else { > reg = __raw_readl(IPU_CHA_BUF1_RDY); > +#if 0 > if (reg & (1UL << dma_chan)) { > spin_unlock_irqrestore(&ipu_lock, lock_flags); > return -EACCES; > > } > +#endif > __raw_writel(DMAParamAddr(dma_chan) + 0x0009UL, IPU_IMA_ADDR); > __raw_writel(phyaddr, IPU_IMA_DATA); > } > @@ -1139,7 +1143,15 @@ > if (wait_for_stop && channel != MEM_SDC_FG && channel != MEM_SDC_BG) { > > timeout = 40; > while ((__raw_readl(IDMAC_CHA_BUSY) & chan_mask) || > +#if 0 > (_ipu_channel_status(channel) == TASK_STAT_ACTIVE)) { > +#else > + (_ipu_channel_status(channel) == TASK_STAT_ACTIVE) || > > + __raw_readl(IPU_CHA_BUF0_RDY) & (1UL << out_dma) || > + __raw_readl(IPU_CHA_BUF0_RDY) & (1UL << out_dma)) > + { > +#endif > timeout--; > msleep(10); > > > Best Regards, > > Rajesh N > if (timeout == 0) { > > > > > > On Thu, Feb 5, 2009 at 3:30 PM, Eric Michael <[email protected]> wrote: > >> >> Hi all, >> >> I previously ported android on IMX31 with Android SDK release >> mcr20 and everything was working fine including keypad and >> touchscreen. Later when I updated with Android patch from SDK 1.0 >> release with IMX kernel from freescale linx-2.6.24 with android patch. >> Keypad and touchscreen is not working. I also tried with enabling and >> disabling power management options in the menuconfig and result are >> same. I m getting the Android Desktop like screen with Screen lock >> message and Only if keypad works I can test further for the Video and >> Audio applications in the Android.Any help regarding this will be >> highly appreciated and of great help for me and others in this group. >> >> Thanks and Regards >> Eric >> >> >> > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
