[yamahareceiver] Handle 'No Preset' tuner preset response (#11471)

Signed-off-by: Michael Lobstein <michael.lobstein@gmail.com>

diff --git a/bundles/org.openhab.binding.yamahareceiver/src/main/java/org/openhab/binding/yamahareceiver/internal/protocol/xml/InputWithPresetControlXML.java b/bundles/org.openhab.binding.yamahareceiver/src/main/java/org/openhab/binding/yamahareceiver/internal/protocol/xml/InputWithPresetControlXML.java
index eb0a811048ff442f94f7ad2e830d8fd04db08bad..b10abf376fea097378defee5b781d6fe22582117 100644 (file)
--- a/bundles/org.openhab.binding.yamahareceiver/src/main/java/org/openhab/binding/yamahareceiver/internal/protocol/xml/InputWithPresetControlXML.java
+++ b/bundles/org.openhab.binding.yamahareceiver/src/main/java/org/openhab/binding/yamahareceiver/internal/protocol/xml/InputWithPresetControlXML.java
@@ -153,7 +153,8 @@ public class InputWithPresetControlXML extends AbstractInputControlXML implement
                 // special handling for RX-V3900, where 'A1' becomes 101 and 'B2' becomes 202 preset
                 if (presetValue.length() >= 2) {
                     Character presetAlpha = presetValue.charAt(0);
-                    if (Character.isLetter(presetAlpha) && Character.isUpperCase(presetAlpha)) {
+                    if (Character.isLetter(presetAlpha) && Character.isUpperCase(presetAlpha)
+                            && Character.isDigit(presetValue.charAt(1))) {
                         int presetNumber = Integer.parseInt(presetValue.substring(1));
                         return (ArrayUtils.indexOf(LETTERS, presetAlpha) + 1) * 100 + presetNumber;
                     }