New scheduler, with priorities for swcodec platforms. Frequent task

switching should be more efficient and tasks are stored in linked
lists to eliminate unnecessary task switching to improve performance.
Audio should no longer skip on swcodec targets caused by too CPU
hungry UI thread or background threads.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10958 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 2 insertions, 4 deletions

diff --git a/firmware/drivers/i2c.c b/firmware/drivers/i2c.c
index 71cb9cf8b0..2b439c23ad 100644
--- a/firmware/drivers/i2c.c
+++ b/firmware/drivers/i2c.c
@@ -145,8 +145,7 @@ void i2c_ack(int bit)
     
     SCL_INPUT;   /* Set the clock to input */
     while(!SCL)  /* and wait for the MAS to release it */
-        sleep_thread();
-    wake_up_thread();
+        sleep_thread(1);
 
     DELAY;
     SCL_OUTPUT;
@@ -168,8 +167,7 @@ int i2c_getack(void)
     SDA_INPUT;   /* And set to input */
     SCL_INPUT;   /* Set the clock to input */
     while(!SCL)  /* and wait for the MAS to release it */
-        sleep_thread();
-    wake_up_thread();
+        sleep_thread(1);
     
     if (SDA)
         /* ack failed */