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drivers/input 

obj-$(CONFIG_INPUT)   += input-core.o 
input-core-y := input.o input-compat.o input-mt.o ff-core.o 
 
obj-$(CONFIG_INPUT_TOUCHSCREEN) += touchscreen/ 

config TOUCHSCREEN_S3C2410 
  tristate "Samsung S3C2410/generic touchscreen input driver" 
  depends on ARCH_S3C24XX || SAMSUNG_DEV_TS 
  depends on S3C_ADC 
  help 
   Say Y here if you have the s3c2410 touchscreen. 
 
   If unsure, say N. 
 
   To compile this driver as a module, choose M here: the 
   module will be called s3c2410_ts. 

obj-$(CONFIG_TOUCHSCREEN_S3C2410)  += s3c2410_ts.o 

static const struct platform_device_id s3cts_driver_ids[] = { 
  { "s3c2410-ts", 0 }, 
  { "s3c2440-ts", 0 }, 
  { "s3c64xx-ts", FEAT_PEN_IRQ }, 
  { } 
}; 
MODULE_DEVICE_TABLE(platform, s3cts_driver_ids); 
 
static struct platform_driver s3c_ts_driver = { 
  .driver     = { 
    .name  = "samsung-ts", 
#ifdef CONFIG_PM 
    .pm = &s3c_ts_pmops, 
#endif 
  }, 
  .id_table  = s3cts_driver_ids, 
  .probe   = s3c2410ts_probe, 
  .remove   = s3c2410ts_remove, 
}; 
module_platform_driver(s3c_ts_driver); 

ts.client = s3c_adc_register(pdev, s3c24xx_ts_select, 
         s3c24xx_ts_conversion, 1); 
if (IS_ERR(ts.client)) { 
  dev_err(dev, "failed to register adc client\n"); 
  ret = PTR_ERR(ts.client); 
  goto err_iomap; 
} 

ret = request_irq(ts.irq_tc, stylus_irq, 0, 
     "s3c2410_ts_pen", ts.input);