1 files changed, 7 insertions, 4 deletions

diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
index 91adfa71c172..ee1baf11ad9e 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -45,7 +45,8 @@ struct s3c_adc_client {
         unsigned char            channel;
 
         void    (*select_cb)(unsigned selected);
-        void    (*convert_cb)(unsigned val1, unsigned val2);
+        void    (*convert_cb)(unsigned val1, unsigned val2,
+                              unsigned *samples_left);
 };
 
 struct adc_device {
@@ -158,7 +159,8 @@ static void s3c_adc_default_select(unsigned select)
 
 struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
                                         void (*select)(unsigned int selected),
-                                        void (*conv)(unsigned d0, unsigned d1),
+                                        void (*conv)(unsigned d0, unsigned d1,
+                                                     unsigned *samples_left),
                                         unsigned int is_ts)
 {
         struct s3c_adc_client *client;
@@ -227,9 +229,10 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
         data1 = readl(adc->regs + S3C2410_ADCDAT1);
         adc_dbg(adc, "read %d: 0x%04x, 0x%04x\n", client->nr_samples, data0, data1);
 
-        (client->convert_cb)(data0 & 0x3ff, data1 & 0x3ff);
+        client->nr_samples--;
+        (client->convert_cb)(data0 & 0x3ff, data1 & 0x3ff, &client->nr_samples);
 
-        if (--client->nr_samples > 0) {
+        if (client->nr_samples > 0) {
                 /* fire another conversion for this */
 
                 client->select_cb(1);