1 files changed, 18 insertions, 1 deletions

diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
index 9a5c767e0a42..91adfa71c172 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -100,7 +100,7 @@ static void s3c_adc_dbgshow(struct adc_device *adc)
                 readl(adc->regs + S3C2410_ADCDLY));
 }
 
-void s3c_adc_try(struct adc_device *adc)
+static void s3c_adc_try(struct adc_device *adc)
 {
         struct s3c_adc_client *next = adc->ts_pend;
 
@@ -190,6 +190,23 @@ EXPORT_SYMBOL_GPL(s3c_adc_register);
 void s3c_adc_release(struct s3c_adc_client *client)
 {
         /* We should really check that nothing is in progress. */
+        if (adc_dev->cur == client)
+                adc_dev->cur = NULL;
+        if (adc_dev->ts_pend == client)
+                adc_dev->ts_pend = NULL;
+        else {
+                struct list_head *p, *n;
+                struct s3c_adc_client *tmp;
+
+                list_for_each_safe(p, n, &adc_pending) {
+                        tmp = list_entry(p, struct s3c_adc_client, pend);
+                        if (tmp == client)
+                                list_del(&tmp->pend);
+                }
+        }
+
+        if (adc_dev->cur == NULL)
+                s3c_adc_try(adc_dev);
         kfree(client);
 }
 EXPORT_SYMBOL_GPL(s3c_adc_release);