kselftest/alsa: pcm - Drop recent coverage improvement changes

In preparation to adopting a better, more comprehensive approach to
adding the coverage that was just added using some changes from Jaroslav
which were sent at the same time the recently added improvements were
being applied drop what was applied. This reverts:

7d721baea138 "kselftest/alsa: Add more coverage of sample rates and channel counts"
ee12040dd53a "kselftest/alsa: Provide more meaningful names for tests"
ae95efd9754c "kselftest/alsa: Don't any configuration in the sample config"
8370d9b00c92 Revert "kselftest/alsa: Report failures to set the requested channels as skips"
f944f8b539ea "kselftest/alsa: Report failures to set the requested sample rate as skips"
22eeb8f531c1 "kselftest/alsa: Refactor pcm-test to list the tests to run in a struct"

Reviewed-by: Jaroslav Kysela <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Takashi Iwai <[e-mail]>

tools/testing/selftests/alsa/conf.d/Lenovo_ThinkPad_P1_Gen2.conf

···
 	#
 	pcm.0.0 {
 		PLAYBACK {
-			#
-			# Uncomment to override values for specific tests
-			#
-			#test_name1 {
-			#	access RW_INTERLEAVED
-			#	format S16_LE
-			#	rate 48000
-			#	channels 2
-			#	period_size 512
-			#	buffer_size 4096
-			#}
-			#test_name2 {
-			#	access RW_INTERLEAVED
-			#	format S16_LE
-			#	rate 48000
-			#	channels 2
-			#	period_size 24000
-			#	buffer_size 192000
-			#}
+			test.time1 {
+				access RW_INTERLEAVED	# can be omitted - default
+				format S16_LE		# can be omitted - default
+				rate 48000		# can be omitted - default
+				channels 2		# can be omitted - default
+				period_size 512
+				buffer_size 4096
+			}
+			test.time2 {
+				access RW_INTERLEAVED
+				format S16_LE
+				rate 48000
+				channels 2
+				period_size 24000
+				buffer_size 192000
+			}
 		}
 		CAPTURE {
 			# use default tests, check for the presence

tools/testing/selftests/alsa/pcm-test.c

···
 int num_missing = 0;
 struct pcm_data *pcm_missing = NULL;
 
-struct time_test_def {
-	const char *cfg_prefix;
-	const char *format;
-	long rate;
-	long channels;
-	long period_size;
-	long buffer_size;
-};
-
 void timestamp_now(timestamp_t *tstamp)
 {
 	if (clock_gettime(CLOCK_MONOTONIC_RAW, tstamp))
···
 }
 
 static void test_pcm_time1(struct pcm_data *data,
-			   const struct time_test_def *test)
+			   const char *cfg_prefix, const char *sformat,
+			   long srate, long schannels,
+			   long speriod_size, long sbuffer_size)
 {
 	char name[64], key[128], msg[256];
 	const char *cs;
···
 	snd_pcm_sframes_t frames;
 	long long ms;
 	long rate, channels, period_size, buffer_size;
-	unsigned int rchannels;
 	unsigned int rrate;
 	snd_pcm_uframes_t rperiod_size, rbuffer_size, start_threshold;
 	timestamp_t tstamp;
 	bool pass = false, automatic = true;
 	snd_pcm_hw_params_t *hw_params;
 	snd_pcm_sw_params_t *sw_params;
-	bool skip = false;
 
 	snd_pcm_hw_params_alloca(&hw_params);
 	snd_pcm_sw_params_alloca(&sw_params);
 
-	cs = conf_get_string(data->pcm_config, test->cfg_prefix, "format", test->format);
+	cs = conf_get_string(data->pcm_config, cfg_prefix, "format", sformat);
 	format = snd_pcm_format_value(cs);
 	if (format == SND_PCM_FORMAT_UNKNOWN)
 		ksft_exit_fail_msg("Wrong format '%s'\n", cs);
-	rate = conf_get_long(data->pcm_config, test->cfg_prefix, "rate", test->rate);
-	channels = conf_get_long(data->pcm_config, test->cfg_prefix, "channels", test->channels);
-	period_size = conf_get_long(data->pcm_config, test->cfg_prefix, "period_size", test->period_size);
-	buffer_size = conf_get_long(data->pcm_config, test->cfg_prefix, "buffer_size", test->buffer_size);
+	rate = conf_get_long(data->pcm_config, cfg_prefix, "rate", srate);
+	channels = conf_get_long(data->pcm_config, cfg_prefix, "channels", schannels);
+	period_size = conf_get_long(data->pcm_config, cfg_prefix, "period_size", speriod_size);
+	buffer_size = conf_get_long(data->pcm_config, cfg_prefix, "buffer_size", sbuffer_size);
 
-	automatic = strcmp(test->format, snd_pcm_format_name(format)) == 0 &&
-			test->rate == rate &&
-			test->channels == channels &&
-			test->period_size == period_size &&
-			test->buffer_size == buffer_size;
+	automatic = strcmp(sformat, snd_pcm_format_name(format)) == 0 &&
+			srate == rate &&
+			schannels == channels &&
+			speriod_size == period_size &&
+			sbuffer_size == buffer_size;
 
 	samples = malloc((rate * channels * snd_pcm_format_physical_width(format)) / 8);
 	if (!samples)
···
 		if (automatic && format == SND_PCM_FORMAT_S16_LE) {
 			format = SND_PCM_FORMAT_S32_LE;
 			ksft_print_msg("%s.%d.%d.%d.%s.%s format S16_LE -> S32_LE\n",
-					 test->cfg_prefix,
+					 cfg_prefix,
 					 data->card, data->device, data->subdevice,
 					 snd_pcm_stream_name(data->stream),
 					 snd_pcm_access_name(access));
···
 					   snd_pcm_format_name(format), snd_strerror(err));
 		goto __close;
 	}
-	rchannels = channels;
-	err = snd_pcm_hw_params_set_channels_near(handle, hw_params, &rchannels);
+	err = snd_pcm_hw_params_set_channels(handle, hw_params, channels);
 	if (err < 0) {
 		snprintf(msg, sizeof(msg), "snd_pcm_hw_params_set_channels %ld: %s", channels, snd_strerror(err));
-		goto __close;
-	}
-	if (rchannels != channels) {
-		snprintf(msg, sizeof(msg), "channels unsupported %ld != %ld", channels, rchannels);
-		skip = true;
 		goto __close;
 	}
 	rrate = rate;
···
 		goto __close;
 	}
 	if (rrate != rate) {
-		snprintf(msg, sizeof(msg), "rate unsupported %ld != %ld", rate, rrate);
-		skip = true;
+		snprintf(msg, sizeof(msg), "rate mismatch %ld != %ld", rate, rrate);
 		goto __close;
 	}
 	rperiod_size = period_size;
···
 	}
 
 	ksft_print_msg("%s.%d.%d.%d.%s hw_params.%s.%s.%ld.%ld.%ld.%ld sw_params.%ld\n",
-			 test->cfg_prefix,
+			 cfg_prefix,
 			 data->card, data->device, data->subdevice,
 			 snd_pcm_stream_name(data->stream),
 			 snd_pcm_access_name(access),
···
 	msg[0] = '\0';
 	pass = true;
 __close:
-	if (!skip) {
-		ksft_test_result(pass, "%s.%d.%d.%d.%s%s%s\n",
-				 test->cfg_prefix,
-				 data->card, data->device, data->subdevice,
-				 snd_pcm_stream_name(data->stream),
-				 msg[0] ? " " : "", msg);
-	} else {
-		ksft_test_result_skip("%s.%d.%d.%d.%s%s%s\n",
-				      test->cfg_prefix,
-				      data->card, data->device,
-				      data->subdevice,
-				      snd_pcm_stream_name(data->stream),
-				      msg[0] ? " " : "", msg);
-	}
+	ksft_test_result(pass, "%s.%d.%d.%d.%s%s%s\n",
+			 cfg_prefix,
+			 data->card, data->device, data->subdevice,
+			 snd_pcm_stream_name(data->stream),
+			 msg[0] ? " " : "", msg);
 	free(samples);
 	if (handle)
 		snd_pcm_close(handle);
 }
 
-static const struct time_test_def time_tests[] = {
-	/* name          format     rate   chan  period  buffer */
-	{ "8k.1.big",    "S16_LE",   8000, 2,     8000,   32000 },
-	{ "8k.2.big",    "S16_LE",   8000, 2,     8000,   32000 },
-	{ "44k1.2.big",  "S16_LE",  44100, 2,    22050,  192000 },
-	{ "48k.2.small", "S16_LE",  48000, 2,      512,    4096 },
-	{ "48k.2.big",   "S16_LE",  48000, 2,    24000,  192000 },
-	{ "48k.6.big",   "S16_LE",  48000, 6,    48000,  576000 },
-	{ "96k.2.big",   "S16_LE",  96000, 2,    48000,  192000 },
-};
+#define TESTS_PER_PCM 2
 
 int main(void)
 {
 	struct pcm_data *pcm;
-	int i;
 
 	ksft_print_header();
 
···
 
 	find_pcms();
 
-	ksft_set_plan(num_missing + num_pcms * ARRAY_SIZE(time_tests));
+	ksft_set_plan(num_missing + num_pcms * TESTS_PER_PCM);
 
 	for (pcm = pcm_missing; pcm != NULL; pcm = pcm->next) {
 		ksft_test_result(false, "test.missing.%d.%d.%d.%s\n",
···
 	}
 
 	for (pcm = pcm_list; pcm != NULL; pcm = pcm->next) {
-		for (i = 0; i < ARRAY_SIZE(time_tests); i++) {
-			test_pcm_time1(pcm, &time_tests[i]);
-		}
+		test_pcm_time1(pcm, "test.time1", "S16_LE", 48000, 2, 512, 4096);
+		test_pcm_time1(pcm, "test.time2", "S16_LE", 48000, 2, 24000, 192000);
 	}
 
 	conf_free();