diff options
Diffstat (limited to 'sound/core/pcm.c')
| -rw-r--r-- | sound/core/pcm.c | 104 |
1 files changed, 62 insertions, 42 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 95036c83de43..28ca61eb0b0d 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -151,30 +151,6 @@ static int snd_pcm_control_ioctl(struct snd_card *card, #define FORMAT(v) [SNDRV_PCM_FORMAT_##v] = #v #define SUBFORMAT(v) [SNDRV_PCM_SUBFORMAT_##v] = #v -static char *snd_pcm_stream_names[] = { - STREAM(PLAYBACK), - STREAM(CAPTURE), -}; - -static char *snd_pcm_state_names[] = { - STATE(OPEN), - STATE(SETUP), - STATE(PREPARED), - STATE(RUNNING), - STATE(XRUN), - STATE(DRAINING), - STATE(PAUSED), - STATE(SUSPENDED), -}; - -static char *snd_pcm_access_names[] = { - ACCESS(MMAP_INTERLEAVED), - ACCESS(MMAP_NONINTERLEAVED), - ACCESS(MMAP_COMPLEX), - ACCESS(RW_INTERLEAVED), - ACCESS(RW_NONINTERLEAVED), -}; - static char *snd_pcm_format_names[] = { FORMAT(S8), FORMAT(U8), @@ -216,6 +192,36 @@ static char *snd_pcm_format_names[] = { FORMAT(U18_3BE), }; +const char *snd_pcm_format_name(snd_pcm_format_t format) +{ + return snd_pcm_format_names[format]; +} + +#ifdef CONFIG_PROC_FS +static char *snd_pcm_stream_names[] = { + STREAM(PLAYBACK), + STREAM(CAPTURE), +}; + +static char *snd_pcm_state_names[] = { + STATE(OPEN), + STATE(SETUP), + STATE(PREPARED), + STATE(RUNNING), + STATE(XRUN), + STATE(DRAINING), + STATE(PAUSED), + STATE(SUSPENDED), +}; + +static char *snd_pcm_access_names[] = { + ACCESS(MMAP_INTERLEAVED), + ACCESS(MMAP_NONINTERLEAVED), + ACCESS(MMAP_COMPLEX), + ACCESS(RW_INTERLEAVED), + ACCESS(RW_NONINTERLEAVED), +}; + static char *snd_pcm_subformat_names[] = { SUBFORMAT(STD), }; @@ -236,11 +242,6 @@ static const char *snd_pcm_access_name(snd_pcm_access_t access) return snd_pcm_access_names[access]; } -const char *snd_pcm_format_name(snd_pcm_format_t format) -{ - return snd_pcm_format_names[format]; -} - static const char *snd_pcm_subformat_name(snd_pcm_subformat_t subformat) { return snd_pcm_subformat_names[subformat]; @@ -288,7 +289,6 @@ static const char *snd_pcm_oss_format_name(int format) } #endif -#ifdef CONFIG_PROC_FS static void snd_pcm_proc_info_read(struct snd_pcm_substream *substream, struct snd_info_buffer *buffer) { @@ -431,7 +431,6 @@ static void snd_pcm_substream_proc_status_read(struct snd_info_entry *entry, snd_iprintf(buffer, "hw_ptr : %ld\n", runtime->status->hw_ptr); snd_iprintf(buffer, "appl_ptr : %ld\n", runtime->control->appl_ptr); } -#endif #ifdef CONFIG_SND_DEBUG static void snd_pcm_xrun_debug_read(struct snd_info_entry *entry, @@ -596,6 +595,12 @@ static int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream) } return 0; } +#else /* !CONFIG_PROC_FS */ +static inline int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr) { return 0; } +static inline int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr) { return 0; } +static inline int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream) { return 0; } +static inline int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream) { return 0; } +#endif /* CONFIG_PROC_FS */ /** * snd_pcm_new_stream - create a new PCM stream @@ -1013,6 +1018,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree) return 0; } +#ifdef CONFIG_PROC_FS /* * Info interface */ @@ -1039,18 +1045,12 @@ static void snd_pcm_proc_read(struct snd_info_entry *entry, up(®ister_mutex); } -/* - * ENTRY functions - */ - static struct snd_info_entry *snd_pcm_proc_entry = NULL; -static int __init alsa_pcm_init(void) +static void snd_pcm_proc_init(void) { struct snd_info_entry *entry; - snd_ctl_register_ioctl(snd_pcm_control_ioctl); - snd_ctl_register_ioctl_compat(snd_pcm_control_ioctl); if ((entry = snd_info_create_module_entry(THIS_MODULE, "pcm", NULL)) != NULL) { snd_info_set_text_ops(entry, NULL, SNDRV_CARDS * SNDRV_PCM_DEVICES * 128, snd_pcm_proc_read); @@ -1060,6 +1060,29 @@ static int __init alsa_pcm_init(void) } } snd_pcm_proc_entry = entry; +} + +static void snd_pcm_proc_done(void) +{ + if (snd_pcm_proc_entry) + snd_info_unregister(snd_pcm_proc_entry); +} + +#else /* !CONFIG_PROC_FS */ +#define snd_pcm_proc_init() +#define snd_pcm_proc_done() +#endif /* CONFIG_PROC_FS */ + + +/* + * ENTRY functions + */ + +static int __init alsa_pcm_init(void) +{ + snd_ctl_register_ioctl(snd_pcm_control_ioctl); + snd_ctl_register_ioctl_compat(snd_pcm_control_ioctl); + snd_pcm_proc_init(); return 0; } @@ -1067,10 +1090,7 @@ static void __exit alsa_pcm_exit(void) { snd_ctl_unregister_ioctl(snd_pcm_control_ioctl); snd_ctl_unregister_ioctl_compat(snd_pcm_control_ioctl); - if (snd_pcm_proc_entry) { - snd_info_unregister(snd_pcm_proc_entry); - snd_pcm_proc_entry = NULL; - } + snd_pcm_proc_done(); } module_init(alsa_pcm_init) |