V4L/DVB (6577): et61x251/: make 5 functions static

This patch makes the following needlessly global functions in
et61x251_core.c static:
- et61x251_read_reg()
- et61x251_i2c_try_read()
- et61x251_i2c_try_write()
- et61x251_i2c_read()
- et61x251_i2c_write()

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c
index d19d73b..38d2ad0 100644 (file)
--- a/drivers/media/video/et61x251/et61x251_core.c
+++ b/drivers/media/video/et61x251/et61x251_core.c
@@ -227,7 +227,7 @@ int et61x251_write_reg(struct et61x251_device* cam, u8 value, u16 index)
 }
 
 
-int et61x251_read_reg(struct et61x251_device* cam, u16 index)
+static int et61x251_read_reg(struct et61x251_device* cam, u16 index)
 {
        struct usb_device* udev = cam->usbdev;
        u8* buff = cam->control_buffer;
@@ -268,9 +268,9 @@ et61x251_i2c_wait(struct et61x251_device* cam,
 }
 
 
-int
-et61x251_i2c_try_read(struct et61x251_device* cam,
-                     const struct et61x251_sensor* sensor, u8 address)
+static int et61x251_i2c_try_read(struct et61x251_device* cam,
+                                const struct et61x251_sensor* sensor,
+                                u8 address)
 {
        struct usb_device* udev = cam->usbdev;
        u8* data = cam->control_buffer;
@@ -301,10 +301,9 @@ et61x251_i2c_try_read(struct et61x251_device* cam,
 }
 
 
-int
-et61x251_i2c_try_write(struct et61x251_device* cam,
-                      const struct et61x251_sensor* sensor, u8 address,
-                      u8 value)
+static int et61x251_i2c_try_write(struct et61x251_device* cam,
+                                 const struct et61x251_sensor* sensor,
+                                 u8 address, u8 value)
 {
        struct usb_device* udev = cam->usbdev;
        u8* data = cam->control_buffer;
@@ -387,13 +386,14 @@ et61x251_i2c_raw_write(struct et61x251_device* cam, u8 n, u8 data1, u8 data2,
 }
 
 
-int et61x251_i2c_read(struct et61x251_device* cam, u8 address)
+static int et61x251_i2c_read(struct et61x251_device* cam, u8 address)
 {
        return et61x251_i2c_try_read(cam, &cam->sensor, address);
 }
 
 
-int et61x251_i2c_write(struct et61x251_device* cam, u8 address, u8 value)
+static int et61x251_i2c_write(struct et61x251_device* cam,
+                             u8 address, u8 value)
 {
        return et61x251_i2c_try_write(cam, &cam->sensor, address, value);
 }

diff --git a/drivers/media/video/et61x251/et61x251_sensor.h b/drivers/media/video/et61x251/et61x251_sensor.h
index e145863..71a0314 100644 (file)
--- a/drivers/media/video/et61x251/et61x251_sensor.h
+++ b/drivers/media/video/et61x251/et61x251_sensor.h
@@ -52,14 +52,6 @@ et61x251_attach_sensor(struct et61x251_device* cam,
 /*****************************************************************************/
 
 extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index);
-extern int et61x251_read_reg(struct et61x251_device*, u16 index);
-extern int et61x251_i2c_write(struct et61x251_device*, u8 address, u8 value);
-extern int et61x251_i2c_read(struct et61x251_device*, u8 address);
-extern int et61x251_i2c_try_write(struct et61x251_device*,
-                                 const struct et61x251_sensor*, u8 address,
-                                 u8 value);
-extern int et61x251_i2c_try_read(struct et61x251_device*,
-                                const struct et61x251_sensor*, u8 address);
 extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1,
                                  u8 data2, u8 data3, u8 data4, u8 data5,
                                  u8 data6, u8 data7, u8 data8, u8 address);