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update for xpt2046

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沈睿汀
2010-06-03 02:34:04 +00:00
committed by 黄涛
parent 6e0351c48e
commit d9c863aae3
2 changed files with 3 additions and 3 deletions
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2
arch/arm/mach-rk2818/board-midsdk.c
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@@ -361,7 +361,7 @@ static struct spi_board_info board_spi_devices[] = {
{
.modalias = "xpt2046_ts",
.chip_select = 0,
.max_speed_hz = 1000000,/* (max sample rate @ 3V) * (cmd + data + overhead) */
.max_speed_hz = 125 * 1000 * 26,/* (max sample rate @ 3V) * (cmd + data + overhead) */
.bus_num = 0,
.irq = RK2818_PIN_PE3,
},

4
drivers/input/touchscreen/xpt2046_ts.c
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@@ -61,8 +61,8 @@
#define AD_TO_X(adx) (LCD_MAX_WIDTH * (adx - PT2046_TOUCH_AD_TOP) / ( PT2046_TOUCH_AD_BOTTOM - PT2046_TOUCH_AD_TOP ))
#define AD_TO_Y(ady) (LCD_MAX_LENGTH * (PT2046_TOUCH_AD_LEFT - ady) / (PT2046_TOUCH_AD_LEFT - PT2046_TOUCH_AD_RIGHT))
#define TS_POLL_DELAY (1 * 1000000) /* ns delay before the first sample */
#define TS_POLL_PERIOD (5 * 1000000) /* ns delay between samples */
#define TS_POLL_DELAY (3 * 1000000) /* ns delay before the first sample */
#define TS_POLL_PERIOD (15 * 1000000) /* ns delay between samples */
#define DEBOUNCE_REPTIME 3
/* this driver doesn't aim at the peak continuous sample rate */