diff options
Diffstat (limited to 'sound/pci/hda/hda_eld.c')
-rw-r--r-- | sound/pci/hda/hda_eld.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c index c34f730f481..1c8ddf547a2 100644 --- a/sound/pci/hda/hda_eld.c +++ b/sound/pci/hda/hda_eld.c @@ -318,6 +318,11 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld, int size; unsigned char *buf; + /* + * ELD size is initialized to zero in caller function. If no errors and + * ELD is valid, actual eld_size is assigned in hdmi_update_eld() + */ + if (!eld->eld_valid) return -ENOENT; @@ -327,14 +332,13 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld, snd_printd(KERN_INFO "HDMI: ELD buf size is 0, force 128\n"); size = 128; } - if (size < ELD_FIXED_BYTES || size > PAGE_SIZE) { + if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) { snd_printd(KERN_INFO "HDMI: invalid ELD buf size %d\n", size); return -ERANGE; } - buf = kmalloc(size, GFP_KERNEL); - if (!buf) - return -ENOMEM; + /* set ELD buffer */ + buf = eld->eld_buffer; for (i = 0; i < size; i++) { unsigned int val = hdmi_get_eld_data(codec, nid, i); @@ -356,10 +360,31 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld, ret = hdmi_update_eld(eld, buf, size); error: - kfree(buf); 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 */ +} + +#define SND_PRINT_RATES_ADVISED_BUFSIZE 80 + static void hdmi_show_short_audio_desc(struct cea_sad *a) { char buf[SND_PRINT_RATES_ADVISED_BUFSIZE]; @@ -368,7 +393,7 @@ 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); @@ -427,7 +452,7 @@ 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) { |