selftests/alsa/test-pcmtest-driver.c

241 	char **chan_samples;
244 	chan_samples = calloc(CH_NUM, sizeof(*chan_samples));
245 	ASSERT_NE(chan_samples, NULL);
256 		chan_samples[i] = calloc(params.sec_buf_len * params.time, 1);
259 		read_res = snd_pcm_readn(handle, (void **)chan_samples, params.rate * params.time);
266 			ASSERT_EQ(chan_samples[i][j], patterns[i].buf[j % patterns[i].len]);
267 		free(chan_samples[i]);
269 	free(chan_samples);
275 	char **chan_samples;
279 	chan_samples = calloc(CH_NUM, sizeof(*chan_samples));
280 	ASSERT_NE(chan_samples, NULL);
291 		chan_samples[i] = calloc(params.sec_buf_len * params.time, 1);
293 			chan_samples[i][j] = patterns[i].buf[j % patterns[i].len];
297 		read_res = snd_pcm_writen(handle, (void **)chan_samples, params.rate * params.time);
306 		free(chan_samples[i]);
307 	free(chan_samples);