diff options
Diffstat (limited to 'lib/igt_alsa.c')
-rw-r--r-- | lib/igt_alsa.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/igt_alsa.c b/lib/igt_alsa.c index fc6d336b..3b1a9e90 100644 --- a/lib/igt_alsa.c +++ b/lib/igt_alsa.c @@ -182,6 +182,8 @@ static char *alsa_resolve_indentifier(const char *device_name, int skip) continue; } + igt_debug("Matched device \"%s\"\n", pcm_name); + snprintf(name, sizeof(name), "hw:%d,%d", card, dev); @@ -329,6 +331,9 @@ static bool alsa_test_configuration(snd_pcm_t *handle, int channels, { snd_pcm_hw_params_t *params; int ret; + unsigned int min_channels, max_channels; + unsigned int min_rate, max_rate; + int min_rate_dir, max_rate_dir; snd_pcm_hw_params_alloca(¶ms); @@ -337,12 +342,24 @@ static bool alsa_test_configuration(snd_pcm_t *handle, int channels, return false; ret = snd_pcm_hw_params_test_rate(handle, params, sampling_rate, 0); - if (ret < 0) + if (ret < 0) { + snd_pcm_hw_params_get_rate_min(params, &min_rate, &min_rate_dir); + snd_pcm_hw_params_get_rate_max(params, &max_rate, &max_rate_dir); + igt_debug("Output device supports rates between %u and %u, " + "requested %d\n", + min_rate, max_rate, sampling_rate); return false; + } ret = snd_pcm_hw_params_test_channels(handle, params, channels); - if (ret < 0) + if (ret < 0) { + snd_pcm_hw_params_get_channels_min(params, &min_channels); + snd_pcm_hw_params_get_channels_max(params, &max_channels); + igt_debug("Output device supports between %u and " + "%u channels, requested %d\n", + min_channels, max_channels, channels); return false; + } return true; } |