Index: drivers/input/touchscreen/ts-adc-debounce.c
===================================================================
RCS file: /cvs/linux/kernel26/drivers/input/touchscreen/ts-adc-debounce.c,v
retrieving revision 1.30
diff -u -r1.30 ts-adc-debounce.c
--- drivers/input/touchscreen/ts-adc-debounce.c	17 Feb 2007 19:39:56 -0000	1.30
+++ drivers/input/touchscreen/ts-adc-debounce.c	17 Feb 2007 22:59:13 -0000
@@ -154,7 +154,9 @@
 	}
 
 	if (!pen_up) {
-		params->sense(params->adc_dev, &ts->req);
+		adc_methods *methods = dev_get_drvdata(params->adc_dev);
+		if (methods)
+			methods->sense(params->adc_dev, &ts->req);
 		debounce_samples(ts->req.sense, &ts_pos);
 	}
 
Index: drivers/misc/adc/ads7846_adc_ssp.c
===================================================================
RCS file: /cvs/linux/kernel26/drivers/misc/adc/ads7846_adc_ssp.c,v
retrieving revision 1.15
diff -u -r1.15 ads7846_adc_ssp.c
--- drivers/misc/adc/ads7846_adc_ssp.c	17 Feb 2007 16:57:20 -0000	1.15
+++ drivers/misc/adc/ads7846_adc_ssp.c	17 Feb 2007 22:59:13 -0000
@@ -91,7 +91,7 @@
 	CTRL_AUX_N,
 };
 
-int ads7846_sense(struct device *dev, struct adc_request *req)
+static int ads7846_sense(struct device *dev, struct adc_request *req)
 {
 	struct ads7846_ssp_platform_data *params = dev->platform_data;
 	int i;
@@ -114,7 +114,10 @@
 	ads7846_ssp_putget(CTRL_START);
 	return 0;
 }
-EXPORT_SYMBOL(ads7846_sense);
+
+struct adc_methods ads7846_methods = {
+	.sense = ads7846_sense,
+};
 
 static void ads7846_ssp_init(int freq)
 {
@@ -150,6 +153,7 @@
 		printk(KERN_ERR "ads7846_ssp: Invalid port\n");
 		return -EINVAL;
 	}
+	platform_set_drvdata(dev, &ads7846_methods);
 
 	pxa_set_cken(CKEN_SSP(port), 1);
 	/* ~1.8Mhz - max frequency for PXA25x */
@@ -162,6 +166,8 @@
 {
 	SSCR0_P(port) &= ~SSCR0_SSE;
 	pxa_set_cken(CKEN_SSP(port), 0);
+
+	platform_set_drvdata(dev, NULL);
 	return 0;
 }
 
Index: include/linux/adc.h
===================================================================
RCS file: /cvs/linux/kernel26/include/linux/adc.h,v
retrieving revision 1.1
diff -u -r1.1 adc.h
--- include/linux/adc.h	28 Jan 2007 18:28:57 -0000	1.1
+++ include/linux/adc.h	17 Feb 2007 22:59:13 -0000
@@ -26,4 +26,8 @@
 
 #define adc_request_entry(ptr) container_of(ptr, struct adc_request, requests)
 
+struct adc_methods {
+	int (*sense)(struct device *this, struct adc_request *req);
+};
+
 #endif // adc.h