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ALSA: Re-export snd_pcm_format_name() function

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Re-export snd_pcm_format_name() function to be used outside the PCM core.
As a first example, usbaudio is changed to use it now again.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-09-08 14:26:51 +02:00
parent a68c4d1133
commit 6e5265ec34
3 changed files with 18 additions and 14 deletions
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2
include/sound/pcm.h
View file

@ -965,4 +965,6 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
#define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)
const char *snd_pcm_format_name(snd_pcm_format_t format);
#endif /* __SOUND_PCM_H */

26
sound/core/pcm.c
View file

@ -162,18 +162,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
return -ENOIOCTLCMD;
}
#ifdef CONFIG_SND_VERBOSE_PROCFS
#define STATE(v) [SNDRV_PCM_STATE_##v] = #v
#define STREAM(v) [SNDRV_PCM_STREAM_##v] = #v
#define READY(v) [SNDRV_PCM_READY_##v] = #v
#define XRUN(v) [SNDRV_PCM_XRUN_##v] = #v
#define SILENCE(v) [SNDRV_PCM_SILENCE_##v] = #v
#define TSTAMP(v) [SNDRV_PCM_TSTAMP_##v] = #v
#define ACCESS(v) [SNDRV_PCM_ACCESS_##v] = #v
#define START(v) [SNDRV_PCM_START_##v] = #v
#define FORMAT(v) [SNDRV_PCM_FORMAT_##v] = #v
#define SUBFORMAT(v) [SNDRV_PCM_SUBFORMAT_##v] = #v
static char *snd_pcm_format_names[] = {
FORMAT(S8),
@ -216,10 +205,23 @@ static char *snd_pcm_format_names[] = {
FORMAT(U18_3BE),
};
static const char *snd_pcm_format_name(snd_pcm_format_t format)
const char *snd_pcm_format_name(snd_pcm_format_t format)
{
return snd_pcm_format_names[format];
}
EXPORT_SYMBOL_GPL(snd_pcm_format_name);
#ifdef CONFIG_SND_VERBOSE_PROCFS
#define STATE(v) [SNDRV_PCM_STATE_##v] = #v
#define STREAM(v) [SNDRV_PCM_STREAM_##v] = #v
#define READY(v) [SNDRV_PCM_READY_##v] = #v
#define XRUN(v) [SNDRV_PCM_XRUN_##v] = #v
#define SILENCE(v) [SNDRV_PCM_SILENCE_##v] = #v
#define TSTAMP(v) [SNDRV_PCM_TSTAMP_##v] = #v
#define ACCESS(v) [SNDRV_PCM_ACCESS_##v] = #v
#define START(v) [SNDRV_PCM_START_##v] = #v
#define SUBFORMAT(v) [SNDRV_PCM_SUBFORMAT_##v] = #v
static char *snd_pcm_stream_names[] = {
STREAM(PLAYBACK),

4
sound/usb/usbaudio.c
View file

@ -2124,8 +2124,8 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
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: %#x (%d bits)\n",
fp->format, snd_pcm_format_width(fp->format));
snd_iprintf(buffer, " Format: %s\n",
snd_pcm_format_name(fp->format));
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
fp->endpoint & USB_ENDPOINT_NUMBER_MASK,