edition: Use 2018-style paths in devices crate

These are import paths in new code added since CL:1513054 that need to
be made compatible with 2018 edition's treatment of paths.

TEST=cargo check
TEST=cargo check --all-features
TEST=cargo check --target aarch64-unknown-linux-gnu

Change-Id: Icb3ecf2fb2015332e0c03cdc22bff2ecab2c40df
Reviewed-on: https://chromium-review.googlesource.com/1559264
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: David Tolnay <dtolnay@chromium.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/devices/src/pci/ac97_bus_master.rs b/devices/src/pci/ac97_bus_master.rs
index 5f7f444..d4b6f73 100644
--- a/devices/src/pci/ac97_bus_master.rs
+++ b/devices/src/pci/ac97_bus_master.rs
@@ -418,9 +418,11 @@ impl Ac97BusMaster {
                     current_buffer_size(self.regs.lock().func_regs(func), &self.mem)?;
 
                 let buffer_frames = buffer_samples / num_channels;
-                let (mut stream_control, mut output_stream) = self
-                    .audio_server
-                    .new_playback_stream(num_channels, DEVICE_SAMPLE_RATE, buffer_frames)?;
+                let (stream_control, output_stream) = self.audio_server.new_playback_stream(
+                    num_channels,
+                    DEVICE_SAMPLE_RATE,
+                    buffer_frames,
+                )?;
                 self.po_stream_control = Some(stream_control);
 
                 self.update_mixer_settings(mixer);