diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2011-10-05 15:14:20 -0500 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-10-06 08:08:53 +0200 |
| commit | af65cbf296a07c4a52079324fbefdfc9bd2622a3 (patch) | |
| tree | 4365d2ba17abe30d35d2387c3c0e05dfa3ce62a7 | |
| parent | 7c2f8e4009d4b66c8458e3a5c20510b4262853bb (diff) | |
ALSA: hdmi: fix printout of SAD sampling rates
SAD sampling rate information reported in
/proc/asound/cardX/eldX is incorrect due to a mismatch
between HDA and HDMI frequencies. Add new routine to provide
relevant values.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 2 | ||||
| -rw-r--r-- | sound/pci/hda/hda_eld.c | 24 |
2 files changed, 23 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 8b046a10b42b..d2f41b1446e1 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -5205,7 +5205,7 @@ EXPORT_SYMBOL_HDA(snd_array_free); * @buf: the string buffer to write * @buflen: the max buffer length * - * used by hda_proc.c and hda_eld.c + * used by hda_proc.c */ void snd_print_pcm_rates(int pcm, char *buf, int buflen) { diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c index f1c621d2f8e8..bc1ac2940c5e 100644 --- a/sound/pci/hda/hda_eld.c +++ b/sound/pci/hda/hda_eld.c @@ -363,6 +363,26 @@ error: return ret; } +/** + * SNDRV_PCM_RATE_* and AC_PAR_PCM values don't match, print correct rates with + * hdmi-specific routine. + */ +static void hdmi_print_pcm_rates(int pcm, char *buf, int buflen) +{ + static unsigned int alsa_rates[] = { + 5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, + 96000, 176400, 192000, 384000 + }; + int i, j; + + for (i = 0, j = 0; i < ARRAY_SIZE(alsa_rates); i++) + if (pcm & (1 << i)) + j += snprintf(buf + j, buflen - j, " %d", + alsa_rates[i]); + + buf[j] = '\0'; /* necessary when j == 0 */ +} + static void hdmi_show_short_audio_desc(struct cea_sad *a) { char buf[SND_PRINT_RATES_ADVISED_BUFSIZE]; @@ -371,7 +391,7 @@ static void hdmi_show_short_audio_desc(struct cea_sad *a) if (!a->format) return; - snd_print_pcm_rates(a->rates, buf, sizeof(buf)); + hdmi_print_pcm_rates(a->rates, buf, sizeof(buf)); if (a->format == AUDIO_CODING_TYPE_LPCM) snd_print_pcm_bits(a->sample_bits, buf2 + 8, sizeof(buf2) - 8); @@ -430,7 +450,7 @@ static void hdmi_print_sad_info(int i, struct cea_sad *a, i, a->format, cea_audio_coding_type_names[a->format]); snd_iprintf(buffer, "sad%d_channels\t\t%d\n", i, a->channels); - snd_print_pcm_rates(a->rates, buf, sizeof(buf)); + hdmi_print_pcm_rates(a->rates, buf, sizeof(buf)); snd_iprintf(buffer, "sad%d_rates\t\t[0x%x]%s\n", i, a->rates, buf); if (a->format == AUDIO_CODING_TYPE_LPCM) { |