From 95991f4c75d2eea6d338a1ffa997fdaebbc6b1ce Mon Sep 17 00:00:00 2001
From: Dan Kortschak <dan@kortschak.io>
Date: Fri, 23 Jul 2021 12:56:07 +0930
Subject: [PATCH] device/alsa,revid: clarify type conditions and remove
 redundant condition

---
 device/alsa/alsa_test.go | 7 +++++--
 revid/audio_linux.go     | 7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/device/alsa/alsa_test.go b/device/alsa/alsa_test.go
index 9b9ce080..ce413bc0 100644
--- a/device/alsa/alsa_test.go
+++ b/device/alsa/alsa_test.go
@@ -56,9 +56,12 @@ func TestDevice(t *testing.T) {
 	err := ai.Setup(c)
 	// Log any config errors, otherwise if there was an error opening a device, skip
 	// this test since not all testing environments will have recording devices.
-	if _, ok := err.(device.MultiError); err != nil && ok {
+	switch err := err.(type) {
+	case nil:
+		// Do nothing.
+	case device.MultiError:
 		t.Logf("errors from configuring device: %s", err.Error())
-	} else if err != nil {
+	default:
 		t.Skip(err)
 	}
 	err = ai.Start()
diff --git a/revid/audio_linux.go b/revid/audio_linux.go
index 1553dc47..6d297463 100644
--- a/revid/audio_linux.go
+++ b/revid/audio_linux.go
@@ -53,9 +53,12 @@ func (r *Revid) setupAudio() error {
 	// Configure ALSA device.
 	r.cfg.Logger.Log(logger.Debug, "configuring input device")
 	err := d.Setup(r.cfg)
-	if _, ok := err.(device.MultiError); err != nil && ok {
+	switch err := err.(type) {
+	case nil:
+		// Do nothing.
+	case device.MultiError:
 		r.cfg.Logger.Log(logger.Warning, "errors from configuring input device", "errors", err)
-	} else if err != nil {
+	default:
 		return err
 	}
 	r.cfg.Logger.Log(logger.Info, "input device configured")