From d9c863aae31977ab9a3bf2098b158c43526186da Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E6=B2=88=E7=9D=BF=E6=B1=80?= <srt@rock-chips.com>
Date: Thu, 3 Jun 2010 02:34:04 +0000
Subject: [PATCH] update for xpt2046
---
arch/arm/mach-rk2818/board-midsdk.c | 2 +-
drivers/input/touchscreen/xpt2046_ts.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-rk2818/board-midsdk.c b/arch/arm/mach-rk2818/board-midsdk.c
index d33e7f2a9c72..2ea8b427e34a 100644
--- a/arch/arm/mach-rk2818/board-midsdk.c
+++ b/arch/arm/mach-rk2818/board-midsdk.c
@@ -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,
},
diff --git a/drivers/input/touchscreen/xpt2046_ts.c b/drivers/input/touchscreen/xpt2046_ts.c
index 5af31de69cf5..4af936103a6a 100644
--- a/drivers/input/touchscreen/xpt2046_ts.c
+++ b/drivers/input/touchscreen/xpt2046_ts.c
@@ -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 */
--
2.34.1