1 files changed, 11 insertions, 1 deletions

diff --git a/firmware/target/coldfire/iriver/h100/adc-h100.c b/firmware/target/coldfire/iriver/h100/adc-h100.c
index a20b1e8d30..fb5afce9f5 100644
--- a/firmware/target/coldfire/iriver/h100/adc-h100.c
+++ b/firmware/target/coldfire/iriver/h100/adc-h100.c
@@ -34,7 +34,17 @@ static unsigned char adcdata[NUM_ADC_CHANNELS];
 #define DI_HI  or_l(0x00200000, &GPIO_OUT)
 
 /* delay loop */
-#define DELAY   do { int _x; for(_x=0;_x<10;_x++) asm volatile ("");} while (0)
+#define DELAY   \
+    ({                               \
+        int _x_;                     \
+        asm volatile (               \
+            "move.l #9, %[_x_] \r\n" \
+        "1:                    \r\n" \
+            "subq.l #1, %[_x_] \r\n" \
+            "bhi.b  1b         \r\n" \
+            : [_x_]"=&d"(_x_)        \
+        );                           \
+    })
 
 unsigned short adc_scan(int channel)
 {