Fix warnings

examples/nunchuck.rs

@@ -58,13 +58,13 @@ mod nunchuck {
 
     #[derive(Debug)]
     pub struct NunchuckReading {
-        joystick_x: u8,
-        joystick_y: u8,
-        accel_x: u16, // 10-bit
-        accel_y: u16, // 10-bit
-        accel_z: u16, // 10-bit
-        c_button_pressed: bool,
-        z_button_pressed: bool,
+        pub joystick_x: u8,
+        pub joystick_y: u8,
+        pub accel_x: u16, // 10-bit
+        pub accel_y: u16, // 10-bit
+        pub accel_z: u16, // 10-bit
+        pub c_button_pressed: bool,
+        pub z_button_pressed: bool,
     }
 
     impl NunchuckReading {

examples/sensors.rs

@@ -285,9 +285,8 @@ mod sensors {
             // If values are less than 16 bytes, need to adjust
             let extrabits = 16 - integer_bits - fractional_bits - 1;
             let rawval: i16 = BigEndian::read_i16(&[msb, lsb]);
-            let adj = (f32::from(rawval) / 2_f32.powi(fractional_bits + extrabits))
-                / 10_f32.powi(dec_pt_zero_pad);
-            adj
+            (f32::from(rawval) / 2_f32.powi(fractional_bits + extrabits))
+                / 10_f32.powi(dec_pt_zero_pad)
         }
 
         impl MPL115A2Coefficients {

src/ffi.rs

@@ -354,7 +354,7 @@ pub fn i2c_smbus_read_block_data(fd: RawFd, register: u8) -> Result<Vec<u8>, I2C
     // create a vector from the data in the block starting at byte
     // 1 and ending after count bytes after that
     let count = data.block[0];
-    Ok((&data.block[1..(count + 1) as usize]).to_vec())
+    Ok((data.block[1..(count + 1) as usize]).to_vec())
 }
 
 pub fn i2c_smbus_read_i2c_block_data(
@@ -377,7 +377,7 @@ pub fn i2c_smbus_read_i2c_block_data(
     // create a vector from the data in the block starting at byte
     // 1 and ending after count bytes after that
     let count = data.block[0];
-    Ok((&data.block[1..(count + 1) as usize]).to_vec())
+    Ok((data.block[1..(count + 1) as usize]).to_vec())
 }
 
 #[inline]
@@ -445,7 +445,7 @@ pub fn i2c_smbus_process_call_block(
     // create a vector from the data in the block starting at byte
     // 1 and ending after count bytes after that
     let count = data.block[0];
-    Ok((&data.block[1..(count + 1) as usize]).to_vec())
+    Ok((data.block[1..(count + 1) as usize]).to_vec())
 }
 
 #[inline]

src/linux.rs

@@ -301,7 +301,7 @@ impl<'a> I2CTransfer<'a> for LinuxI2CDevice {
     /// Issue the provided sequence of I2C transactions
     fn transfer(&mut self, messages: &'a mut [Self::Message]) -> Result<u32, LinuxI2CError> {
         for msg in messages.iter_mut() {
-            (*msg).addr = self.slave_address;
+            msg.addr = self.slave_address;
         }
         ffi::i2c_rdwr(self.as_raw_fd(), messages).map_err(From::from)
     }