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zenxfi2: fix touchscreen bug

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Due to some undocumented behavior, the touchscreen was almost unusable in point
mode. Now it's much better but still not very nice to use, probably it needs some
filtering.

Change-Id: Idc8a0214b09f268e6be907ee6ec3126cc0d88773
This commit is contained in:
Amaury Pouly 2017-09-16 23:51:25 +02:00
parent a0fca0c7bf
commit 064fa902c5
1 changed files with 6 additions and 9 deletions
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15
firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c
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@ -82,7 +82,7 @@ void button_init_device(void)
imx233_button_init();
}
static int touch_to_pixels(int *val_x, int *val_y)
static void fix_pixels(int *val_x, int *val_y)
{
short x,y;
@ -101,9 +101,7 @@ static int touch_to_pixels(int *val_x, int *val_y)
y = MAX(0, MIN(y, LCD_HEIGHT - 1));
*val_x = x;
*val_y = y;
return (x<<16)|y;
*val_y = y;;
}
void touchscreen_enable_device(bool en)
@ -114,11 +112,10 @@ void touchscreen_enable_device(bool en)
static int touchscreen_read_device(int *data)
{
int x, y;
if(!imx233_touchscreen_get_touch(&x, &y))
return 0;
if(data)
*data = touch_to_pixels(&x, &y);
return touchscreen_to_pixels(x, y, data);
bool touch = imx233_touchscreen_get_touch(&x, &y);
fix_pixels(&x, &y);
int btns = touchscreen_to_pixels(x, y, data);
return touch ? btns : 0;
}
int button_read_device(int *data)