diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2010-03-04 19:46:15 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-03-05 08:18:32 +0100 |
| commit | 015eb0b08150c6fef843efe22609589ead3d4fb8 (patch) | |
| tree | 3ffcb8b5be54355761d94001a8c5415c965daccd /sound/usb/proc.c | |
| parent | e11b4e0e4f5ab40ec342dc07b7201c09a45f9574 (diff) | |
| download | linux-015eb0b08150c6fef843efe22609589ead3d4fb8.tar.gz | |
ALSA: usb-audio: use a format bitmask per alternate setting
In preparation for USB audio 2.0 support, change the audioformat structure so that it uses a bitmask to specify possible formats. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/proc.c')
| -rw-r--r-- | sound/usb/proc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/usb/proc.c b/sound/usb/proc.c index 78fc3ba2522c..f5e3f356b95f 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -79,11 +79,16 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s list_for_each(p, &subs->fmt_list) { struct audioformat *fp; + snd_pcm_format_t fmt; fp = list_entry(p, struct audioformat, list); snd_iprintf(buffer, " Interface %d\n", fp->iface); snd_iprintf(buffer, " Altset %d\n", fp->altsetting); - snd_iprintf(buffer, " Format: %s\n", - snd_pcm_format_name(fp->format)); + snd_iprintf(buffer, " Format:"); + for (fmt = 0; fmt <= SNDRV_PCM_FORMAT_LAST; ++fmt) + if (fp->formats & (1uLL << fmt)) + snd_iprintf(buffer, " %s", + snd_pcm_format_name(fmt)); + snd_iprintf(buffer, "\n"); snd_iprintf(buffer, " Channels: %d\n", fp->channels); snd_iprintf(buffer, " Endpoint: %d %s (%s)\n", fp->endpoint & USB_ENDPOINT_NUMBER_MASK, |