test: test sandbox sound driver more rigorously
Consider unexpected values for frequency:
* negative frequency
* zero frequency
* frequency exceeding sampling frequency
As in these cases the sum of the samples is zero also check the count of
the samples.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/include/asm/test.h b/arch/sandbox/include/asm/test.h
index 0406085..568738c 100644
--- a/arch/sandbox/include/asm/test.h
+++ b/arch/sandbox/include/asm/test.h
@@ -189,6 +189,16 @@
int sandbox_get_sound_active(struct udevice *dev);
/**
+ * sandbox_get_sound_count() - Read back the count of the sound data so far
+ *
+ * This data is provided to the sandbox driver by the sound play() method.
+ *
+ * @dev: Device to check
+ * Return: count of audio data
+ */
+int sandbox_get_sound_count(struct udevice *dev);
+
+/**
* sandbox_get_sound_sum() - Read back the sum of the sound data so far
*
* This data is provided to the sandbox driver by the sound play() method.