as3525*: use atomic bit manipulation for CCU_IO

fuzev2 button_read_device() runs in interrupt context so writes are atomic

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27494 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 4 deletions

diff --git a/firmware/target/arm/as3525/fmradio-i2c-as3525.c b/firmware/target/arm/as3525/fmradio-i2c-as3525.c
index 9e8dc63144..70287c38b8 100644
--- a/firmware/target/arm/as3525/fmradio-i2c-as3525.c
+++ b/firmware/target/arm/as3525/fmradio-i2c-as3525.c
@@ -158,11 +158,11 @@ void fmradio_i2c_init(void)
 int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
 {
 #ifdef SANSA_FUZEV2
-    CCU_IO &= ~(1<<12);
+    bitclr32(&CCU_IO, 1<<12);
 #endif
     int ret = i2c_write_data(fm_i2c_bus, address, -1, buf, count);
 #ifdef SANSA_FUZEV2
-    CCU_IO |= 1<<12;
+    bitset32(&CCU_IO, 1<<12);
 #endif
     return ret;
 }
@@ -170,11 +170,11 @@ int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count
 int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
 {
 #ifdef SANSA_FUZEV2
-    CCU_IO &= ~(1<<12);
+    bitclr32(&CCU_IO, 1<<12);
 #endif
     int ret = i2c_read_data(fm_i2c_bus, address, -1, buf, count);
 #ifdef SANSA_FUZEV2
-    CCU_IO |= 1<<12;
+    bitset32(&CCU_IO, 1<<12);
 #endif
     return ret;
 }