diff options
Diffstat (limited to 'recipes/linux/linux/simpad/linux-2.6.27-SIMpad-ucb1x00-ts-supend-and-accuracy.patch')
| -rw-r--r-- | recipes/linux/linux/simpad/linux-2.6.27-SIMpad-ucb1x00-ts-supend-and-accuracy.patch | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/recipes/linux/linux/simpad/linux-2.6.27-SIMpad-ucb1x00-ts-supend-and-accuracy.patch b/recipes/linux/linux/simpad/linux-2.6.27-SIMpad-ucb1x00-ts-supend-and-accuracy.patch new file mode 100644 index 0000000000..ef40cd05ef --- /dev/null +++ b/recipes/linux/linux/simpad/linux-2.6.27-SIMpad-ucb1x00-ts-supend-and-accuracy.patch @@ -0,0 +1,105 @@ +Index: linux-2.6.27/drivers/mfd/ucb1x00-ts.c +=================================================================== +--- linux-2.6.27.orig/drivers/mfd/ucb1x00-ts.c 2008-10-10 00:13:53.000000000 +0200 ++++ linux-2.6.27/drivers/mfd/ucb1x00-ts.c 2008-12-04 01:27:04.168672848 +0100 +@@ -16,6 +16,10 @@ + * It is important to note that the signal connected to the ADCSYNC + * pin should provide pulses even when the LCD is blanked, otherwise + * a pen touch needed to unblank the LCD will never be read. ++ * ++ * mrdata: -added some accuracy improvement based on thesings collie patch ++ * -added suspend fix ++ * + */ + #include <linux/module.h> + #include <linux/moduleparam.h> +@@ -103,6 +107,8 @@ + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + ++ udelay(55); ++ + return ucb1x00_adc_read(ts->ucb, UCB_ADC_INP_TSPY, ts->adcsync); + } + } +@@ -129,7 +135,7 @@ + UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA); + +- udelay(55); ++ udelay(165); + + return ucb1x00_adc_read(ts->ucb, UCB_ADC_INP_TSPY, ts->adcsync); + } +@@ -157,7 +163,7 @@ + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW | + UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA); + +- udelay(55); ++ udelay(165); + + return ucb1x00_adc_read(ts->ucb, UCB_ADC_INP_TSPX, ts->adcsync); + } +@@ -218,7 +224,11 @@ + ucb1x00_adc_enable(ts->ucb); + + x = ucb1x00_ts_read_xpos(ts); ++ ucb1x00_adc_disable(ts->ucb); ++ ucb1x00_adc_enable(ts->ucb); + y = ucb1x00_ts_read_ypos(ts); ++ ucb1x00_adc_disable(ts->ucb); ++ ucb1x00_adc_enable(ts->ucb); + p = ucb1x00_ts_read_pressure(ts); + + /* +@@ -229,8 +239,11 @@ + + msleep(10); + +- ucb1x00_enable(ts->ucb); ++ if ((x < 60) || (y < 60)) { ++ p = 0; ++ } + ++ ucb1x00_enable(ts->ucb); + + if (ucb1x00_ts_pen_down(ts)) { + set_current_state(TASK_INTERRUPTIBLE); +@@ -248,7 +261,9 @@ + } + + timeout = MAX_SCHEDULE_TIMEOUT; ++ + } else { ++ + ucb1x00_disable(ts->ucb); + + /* +@@ -267,6 +282,14 @@ + + try_to_freeze(); + ++ /* ++ * While suspend the ktsd-thread goes sleep -> try_to_freeze() ++ * While resume the ktsd-thread do wakup and must rune one time ++ * again to do a clean re-setup -> enable_irq: UCB_IRQ_TSPX ++ */ ++ if(ts->restart) ++ timeout = HZ / 100; ++ + schedule_timeout(timeout); + } + +@@ -349,8 +372,12 @@ + * TS interrupt mode is set up again + * after sleep. + */ ++ + ts->restart = 1; + wake_up(&ts->irq_wait); ++ ++ printk(KERN_INFO "ucb1x00-ts.c -> ucb1x00_ts_resume() ktsd - restart *DONE*\n"); ++ + } + return 0; + } |