diff options
author | Cliff Brake <cbrake@bec-systems.com> | 2006-11-13 19:07:14 +0000 |
---|---|---|
committer | Cliff Brake <cbrake@bec-systems.com> | 2006-11-13 19:07:14 +0000 |
commit | 38d9e8aff1967820b22faeea83610c3c359f7705 (patch) | |
tree | 3d744d209b5df959dd82ea1eb31fbbe7819826e0 | |
parent | 1c9e8b7ced097812f43cdd5782023464cef09ed8 (diff) |
logicpd-pxa270-2.6.17: touchscreen load/unload fix (Shane Volpe)
fix for problem where touch is required to load/unload the driver
-rw-r--r-- | packages/linux/logicpd-pxa270-2.6.17-rc5/ucb1400-touchscreen.patch | 53 |
1 files changed, 43 insertions, 10 deletions
diff --git a/packages/linux/logicpd-pxa270-2.6.17-rc5/ucb1400-touchscreen.patch b/packages/linux/logicpd-pxa270-2.6.17-rc5/ucb1400-touchscreen.patch index d995426f6f..ba04d46176 100644 --- a/packages/linux/logicpd-pxa270-2.6.17-rc5/ucb1400-touchscreen.patch +++ b/packages/linux/logicpd-pxa270-2.6.17-rc5/ucb1400-touchscreen.patch @@ -375,7 +375,7 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c #include "ucb1x00.h" -@@ -45,7 +43,7 @@ struct ucb1x00_ts { +@@ -45,13 +43,14 @@ struct ucb1x00_ts { struct input_dev *idev; struct ucb1x00 *ucb; @@ -384,7 +384,14 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c struct task_struct *rtask; u16 x_res; u16 y_res; -@@ -205,7 +203,6 @@ static int ucb1x00_thread(void *_ts) + + unsigned int restart:1; + unsigned int adcsync:1; ++ unsigned int go_thread; + }; + + static int adcsync; +@@ -205,7 +204,6 @@ static int ucb1x00_thread(void *_ts) { struct ucb1x00_ts *ts = _ts; struct task_struct *tsk = current; @@ -392,18 +399,19 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c int valid; /* -@@ -217,10 +214,8 @@ static int ucb1x00_thread(void *_ts) +@@ -217,10 +215,8 @@ static int ucb1x00_thread(void *_ts) valid = 0; - add_wait_queue(&ts->irq_wait, &wait); - while (!kthread_should_stop()) { +- while (!kthread_should_stop()) { ++ while (!kthread_should_stop() && ts->go_thread) { unsigned int x, y, p; - signed long timeout; ts->restart = 0; -@@ -242,8 +237,6 @@ static int ucb1x00_thread(void *_ts) +@@ -242,8 +238,6 @@ static int ucb1x00_thread(void *_ts) if (ucb1x00_ts_pen_down(ts)) { @@ -412,7 +420,7 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c ucb1x00_enable_irq(ts->ucb, UCB_IRQ_TSPX, machine_is_collie() ? UCB_RISING : UCB_FALLING); ucb1x00_disable(ts->ucb); -@@ -256,7 +249,15 @@ static int ucb1x00_thread(void *_ts) +@@ -256,7 +250,16 @@ static int ucb1x00_thread(void *_ts) valid = 0; } @@ -426,10 +434,11 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c + * the issue. + */ + wait_for_completion_interruptible(&ts->irq_wait); ++ } else { ucb1x00_disable(ts->ucb); -@@ -271,16 +272,12 @@ static int ucb1x00_thread(void *_ts) +@@ -271,16 +274,12 @@ static int ucb1x00_thread(void *_ts) } set_task_state(tsk, TASK_INTERRUPTIBLE); @@ -447,7 +456,7 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c ts->rtask = NULL; return 0; } -@@ -293,7 +290,7 @@ static void ucb1x00_ts_irq(int idx, void +@@ -293,7 +292,7 @@ static void ucb1x00_ts_irq(int idx, void { struct ucb1x00_ts *ts = id; ucb1x00_disable_irq(ts->ucb, UCB_IRQ_TSPX, UCB_FALLING); @@ -456,7 +465,7 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c } static int ucb1x00_ts_open(struct input_dev *idev) -@@ -303,7 +300,7 @@ static int ucb1x00_ts_open(struct input_ +@@ -303,7 +302,7 @@ static int ucb1x00_ts_open(struct input_ BUG_ON(ts->rtask); @@ -465,7 +474,31 @@ Index: linux-2.6.17-rc5/drivers/mfd/ucb1x00-ts.c ret = ucb1x00_hook_irq(ts->ucb, UCB_IRQ_TSPX, ucb1x00_ts_irq, ts); if (ret < 0) goto out; -@@ -358,7 +355,7 @@ static int ucb1x00_ts_resume(struct ucb1 +@@ -318,6 +317,8 @@ static int ucb1x00_ts_open(struct input_ + ucb1x00_adc_disable(ts->ucb); + + ts->rtask = kthread_run(ucb1x00_thread, ts, "ktsd"); ++ ts->go_thread = 1; //start thread! ++ + if (!IS_ERR(ts->rtask)) { + ret = 0; + } else { +@@ -337,9 +338,14 @@ static void ucb1x00_ts_close(struct inpu + { + struct ucb1x00_ts *ts = idev->private; + ++ ++ ts->go_thread = 0; //Stop thread! ++ complete(&ts->irq_wait); ++ + if (ts->rtask) + kthread_stop(ts->rtask); + ++ + ucb1x00_enable(ts->ucb); + ucb1x00_free_irq(ts->ucb, UCB_IRQ_TSPX, ts); + ucb1x00_reg_write(ts->ucb, UCB_TS_CR, 0); +@@ -358,7 +364,7 @@ static int ucb1x00_ts_resume(struct ucb1 * after sleep. */ ts->restart = 1; |