diff options
Diffstat (limited to 'recipes/linux/linux/simpad/linux-2.6.21-SIMpad-ucb1x00-ts-supend-and-accuracy.patch')
| -rw-r--r-- | recipes/linux/linux/simpad/linux-2.6.21-SIMpad-ucb1x00-ts-supend-and-accuracy.patch | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-ucb1x00-ts-supend-and-accuracy.patch b/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-ucb1x00-ts-supend-and-accuracy.patch new file mode 100644 index 0000000000..8c2c89235f --- /dev/null +++ b/recipes/linux/linux/simpad/linux-2.6.21-SIMpad-ucb1x00-ts-supend-and-accuracy.patch @@ -0,0 +1,121 @@ +diff -uNr linux-2.6.21.vanilla/drivers/mfd/ucb1x00-ts.c linux-2.6.21/drivers/mfd/ucb1x00-ts.c +--- linux-2.6.21.vanilla/drivers/mfd/ucb1x00-ts.c 2007-05-30 18:00:30.000000000 +0200 ++++ linux-2.6.21/drivers/mfd/ucb1x00-ts.c 2007-05-30 18:14:42.000000000 +0200 +@@ -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> +@@ -105,6 +109,8 @@ + 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); + } + } +@@ -131,7 +137,7 @@ + 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); + } +@@ -159,7 +165,7 @@ + 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); + } +@@ -225,13 +231,17 @@ + signed long timeout; + + ts->restart = 0; +- ++ + 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); +- ++ + /* + * Switch back to interrupt mode. + */ +@@ -240,15 +250,19 @@ + + msleep(10); + ++ if ((x < 60) || (y < 60)) { ++ p = 0; ++ } ++ + ucb1x00_enable(ts->ucb); + +- + if (ucb1x00_ts_pen_down(ts)) { ++ + set_task_state(tsk, TASK_INTERRUPTIBLE); + + ucb1x00_enable_irq(ts->ucb, UCB_IRQ_TSPX, machine_is_collie() ? UCB_RISING : UCB_FALLING); + ucb1x00_disable(ts->ucb); +- ++ + /* + * If we spat out a valid sample set last time, + * spit out a "pen off" sample here. +@@ -259,7 +273,9 @@ + } + + timeout = MAX_SCHEDULE_TIMEOUT; ++ + } else { ++ + ucb1x00_disable(ts->ucb); + + /* +@@ -278,6 +294,14 @@ + + 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); + } + +@@ -360,8 +384,12 @@ + * 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; + } |