[igt-dev] [PATCH i-g-t] audio: Avoid test_integrity failing if there's no HW support

[Chris Wilson]

Before asserting that the HDMI audio loopback works after resume, first
require it to be present before suspend -- as not all machines are setup
with the right HDMI audio capture.

More strictly, one would expect that an audio capture device setup
before suspend will remain functional after resume. An exercise left for
the reader.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110499
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Simon Ser <simon.ser at intel.com>
Cc: Paul Kocialkowski <paul.kocialkowski at linux.intel.com>
---
 tests/audio.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/tests/audio.c b/tests/audio.c
index 560876a33..842ea22fb 100644
--- a/tests/audio.c
+++ b/tests/audio.c
@@ -94,7 +94,7 @@ static int input_callback(void *data, short *buffer, int frames)
 	return 0;
 }
 
-static void test_integrity(const char *device_name)
+static bool test_integrity(const char *device_name)
 {
 	struct test_data data;
 	int sampling_rate;
@@ -150,39 +150,35 @@ static void test_integrity(const char *device_name)
 		data.streak = 0;
 
 		ret = alsa_run(data.alsa, RUN_TIMEOUT);
-		igt_assert(ret > 0);
 
 		audio_signal_clean(data.signal);
 		free(data.signal);
 
 		alsa_close_output(data.alsa);
 
-		run = true;
+		run |= ret > 0;
 	}
 
-	/* Make sure we tested at least one frequency */
-	igt_assert(run);
-
 	alsa_close_input(data.alsa);
 	free(data.alsa);
+
+	return run;
 }
 
 static void test_suspend_resume_integrity(const char *device_name,
 					  enum igt_suspend_state state,
 					  enum igt_suspend_test test)
 {
-	test_integrity(device_name);
+	/* Make sure we tested at least one frequency */
+	igt_require(test_integrity(device_name));
 
 	igt_system_suspend_autoresume(state, test);
 
-	test_integrity(device_name);
+	igt_assert(test_integrity(device_name));
 }
 
 igt_main
 {
-	igt_subtest("hdmi-integrity")
-		test_integrity("HDMI");
-
 	igt_subtest("hdmi-integrity-after-suspend")
 		test_suspend_resume_integrity("HDMI", SUSPEND_STATE_MEM,
 					      SUSPEND_TEST_NONE);
-- 
2.20.1