1 /arch/arm/mach-s3c2440/mach-smdk2440.c 2  3 +#include <plat/ts.h>         /*Add by guowenxue to support Touch screen, 2011.09.06*/ 4  5 +/*Touch Screen driver info add by guowenxue 2011.09.04 */ 6 +static struct s3c2410_ts_mach_info smdk2440_ts_cfg __initdata = http://www.mamicode.com/{"color: #008080;">11 +12 13  14  static struct platform_device *smdk2440_devices[] __initdata =http://www.mamicode.com/ {15 @@ -155,19 +295,48 @@16      &s3c_device_wdt,17      &s3c_device_i2c0,18      &s3c_device_iis,26 +    &s3c_device_adc,    /* Add Touch Screen driver by guowenxue, 2011.09.06*/27 +    &s3c_device_ts,     /* Add Touch Screen driver by guowenxue, 2011.09.06*/30 +#endif31  };32 33 34  35  static void __init smdk2440_machine_init(void)36  {37      s3c24xx_fb_set_platdata(&smdk2440_fb_info);38 +    s3c24xx_ts_set_platdata(&smdk2440_ts_cfg); /*Add Touch Screen info by guowenxue, 2011.09.06*/39      s3c_i2c0_set_platdata(NULL);40 +    i2c_register_board_info(0, smdk2440_i2c_devs, ARRAY_SIZE(smdk2440_i2c_devs));41  42      platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));43      smdk_machine_init();44 45 46 47 /drivers/input/touchscreen/s3c2410_ts.c48 +++ linux-3.0-s3c2440/drivers/input/touchscreen/s3c2410_ts.c    2013-07-28 11:44:58.555435668 +080049 @@ -126,6 +126,7 @@50              input_report_abs(ts.input, ABS_Y, ts.yp);51  52              input_report_key(ts.input, BTN_TOUCH, 1);53 +            input_report_abs(ts.input, ABS_PRESSURE, 1); /* Add by guowenxue, 2012.03.30 */54              input_sync(ts.input);55  56              ts.xp = 0;57 @@ -140,6 +141,7 @@58          ts.count = 0;59  60          input_report_key(ts.input, BTN_TOUCH, 0);61 +        input_report_abs(ts.input, ABS_PRESSURE, 0); /* Add by guowenxue, 2012.03.30 */62          input_sync(ts.input);63  64          writel(WAIT4INT | INT_DOWN, ts.io + S3C2410_ADCTSC);65 @@ -314,10 +316,11 @@66      }67  68      ts.input = input_dev;69 -    ts.input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);70 +    ts.input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | BIT(EV_SYN); /* Modify by guowenxue, 2012.03.30 */71      ts.input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);72      input_set_abs_params(ts.input, ABS_X, 0, 0x3FF, 0, 0);73      input_set_abs_params(ts.input, ABS_Y, 0, 0x3FF, 0, 0);74 +    input_set_abs_params(ts.input, ABS_PRESSURE, 0, 1, 0, 0);  /* Add by guowenxue, 2012.03.30 */75  76      ts.input->name = "S3C24XX TouchScreen";77      ts.input->id.bustype = BUS_HOST;