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authorJie Yang <yang.jie@intel.com>2015-05-27 13:45:45 +0200
committerTakashi Iwai <tiwai@suse.de>2015-05-27 21:25:19 +0200
commitcd6a65036f0eac4ad83dc371bb458e9e6ba6e306 (patch)
tree8fde8da6fa86c62608202b5772059426e16ad217
parentALSA: Kconfig: add config item SND_PROC_FS for expert (diff)
downloadlinux-cd6a65036f0eac4ad83dc371bb458e9e6ba6e306.tar.xz
linux-cd6a65036f0eac4ad83dc371bb458e9e6ba6e306.zip
ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS
We may disable proc fs only for sound part, to reduce ALSA memory footprint. So add CONFIG_SND_PROC_FS and replace the old CONFIG_PROC_FSs in alsa code. With sound proc fs disabled, we can save about 9KB memory size on X86_64 platform. Signed-off-by: Jie Yang <yang.jie@intel.com> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--include/sound/info.h8
-rw-r--r--sound/core/Makefile2
-rw-r--r--sound/core/hwdep.c6
-rw-r--r--sound/core/init.c8
-rw-r--r--sound/core/oss/mixer_oss.c6
-rw-r--r--sound/core/pcm.c6
-rw-r--r--sound/core/seq/oss/seq_oss.c6
-rw-r--r--sound/core/seq/oss/seq_oss_init.c5
-rw-r--r--sound/core/seq/oss/seq_oss_midi.c4
-rw-r--r--sound/core/seq/oss/seq_oss_readq.c4
-rw-r--r--sound/core/seq/oss/seq_oss_synth.c4
-rw-r--r--sound/core/seq/seq_clientmgr.c4
-rw-r--r--sound/core/seq/seq_device.c2
-rw-r--r--sound/core/seq/seq_info.h2
-rw-r--r--sound/core/seq/seq_queue.c4
-rw-r--r--sound/core/seq/seq_timer.c4
-rw-r--r--sound/core/sound.c4
-rw-r--r--sound/core/sound_oss.c4
-rw-r--r--sound/core/timer.c4
-rw-r--r--sound/pci/hda/Makefile3
-rw-r--r--sound/pci/hda/hda_eld.c4
-rw-r--r--sound/pci/hda/hda_local.h4
-rw-r--r--sound/pci/hda/patch_hdmi.c4
-rw-r--r--sound/pci/hda/patch_sigmatel.c2
24 files changed, 52 insertions, 52 deletions
diff --git a/include/sound/info.h b/include/sound/info.h
index 16269951bafc..67390ee846aa 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -92,14 +92,14 @@ struct snd_info_entry {
struct list_head list;
};
-#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
+#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS)
int snd_info_minor_register(void);
#else
#define snd_info_minor_register() 0
#endif
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
extern struct snd_info_entry *snd_seq_root;
#ifdef CONFIG_SND_OSSEMUL
@@ -197,7 +197,7 @@ static inline int snd_info_check_reserved_words(const char *str) { return 1; }
* OSS info part
*/
-#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
+#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS)
#define SNDRV_OSS_INFO_DEV_AUDIO 0
#define SNDRV_OSS_INFO_DEV_SYNTH 1
@@ -210,6 +210,6 @@ static inline int snd_info_check_reserved_words(const char *str) { return 1; }
int snd_oss_info_register(int dev, int num, char *string);
#define snd_oss_info_unregister(dev, num) snd_oss_info_register(dev, num, NULL)
-#endif /* CONFIG_SND_OSSEMUL && CONFIG_PROC_FS */
+#endif /* CONFIG_SND_OSSEMUL && CONFIG_SND_PROC_FS */
#endif /* __SOUND_INFO_H */
diff --git a/sound/core/Makefile b/sound/core/Makefile
index 73871b63a092..3354f91e003a 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -4,7 +4,7 @@
#
snd-y := sound.o init.o memory.o control.o misc.o device.o
-ifneq ($(CONFIG_PROC_FS),)
+ifneq ($(CONFIG_SND_PROC_FS),)
snd-y += info.o
snd-$(CONFIG_SND_OSSEMUL) += info_oss.o
endif
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 51692c8a39ea..36d2416f90d9 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -484,7 +484,7 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device)
return 0;
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* Info interface
*/
@@ -521,10 +521,10 @@ static void __exit snd_hwdep_proc_done(void)
{
snd_info_free_entry(snd_hwdep_proc_entry);
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_PROC_FS */
#define snd_hwdep_proc_init()
#define snd_hwdep_proc_done()
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
/*
diff --git a/sound/core/init.c b/sound/core/init.c
index f8abd2d8144e..3e0cebacefe1 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -100,7 +100,7 @@ int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int free_flag);
EXPORT_SYMBOL(snd_mixer_oss_notify_callback);
#endif
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static void snd_card_id_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
@@ -122,7 +122,7 @@ static int init_info_for_card(struct snd_card *card)
return snd_info_card_register(card);
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_PROC_FS */
#define init_info_for_card(card)
#endif
@@ -776,7 +776,7 @@ int snd_card_register(struct snd_card *card)
EXPORT_SYMBOL(snd_card_register);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static void snd_card_info_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
@@ -861,7 +861,7 @@ int __init snd_card_info_init(void)
return 0;
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
/**
* snd_component_add - add a component string
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 056f8e274851..a99f7200ff3f 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -1111,7 +1111,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
return 0;
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
*/
#define MIXER_VOL(name) [SOUND_MIXER_##name] = #name
@@ -1255,10 +1255,10 @@ static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer)
snd_info_free_entry(mixer->proc_entry);
mixer->proc_entry = NULL;
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_PROC_FS */
#define snd_mixer_oss_proc_init(mix)
#define snd_mixer_oss_proc_done(mix)
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
{
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index b25bcf5b8644..e53794319ef3 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1181,7 +1181,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
}
EXPORT_SYMBOL(snd_pcm_notify);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* Info interface
*/
@@ -1227,10 +1227,10 @@ static void snd_pcm_proc_done(void)
snd_info_free_entry(snd_pcm_proc_entry);
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_PROC_FS */
#define snd_pcm_proc_init()
#define snd_pcm_proc_done()
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
/*
diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
index 72873a46afeb..7354b8bed860 100644
--- a/sound/core/seq/oss/seq_oss.c
+++ b/sound/core/seq/oss/seq_oss.c
@@ -45,7 +45,7 @@ MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_MUSIC);
*/
static int register_device(void);
static void unregister_device(void);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static int register_proc(void);
static void unregister_proc(void);
#else
@@ -261,7 +261,7 @@ unregister_device(void)
* /proc interface
*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static struct snd_info_entry *info_entry;
@@ -303,4 +303,4 @@ unregister_proc(void)
snd_info_free_entry(info_entry);
info_entry = NULL;
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c
index 2de3feff70d0..b1221b29728e 100644
--- a/sound/core/seq/oss/seq_oss_init.c
+++ b/sound/core/seq/oss/seq_oss_init.c
@@ -479,8 +479,7 @@ snd_seq_oss_reset(struct seq_oss_devinfo *dp)
snd_seq_oss_timer_stop(dp->timer);
}
-
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* misc. functions for proc interface
*/
@@ -531,4 +530,4 @@ snd_seq_oss_system_info_read(struct snd_info_buffer *buf)
snd_seq_oss_readq_info_read(dp->readq, buf);
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
index 96e8395ae586..aaff9ee32695 100644
--- a/sound/core/seq/oss/seq_oss_midi.c
+++ b/sound/core/seq/oss/seq_oss_midi.c
@@ -665,7 +665,7 @@ snd_seq_oss_midi_make_info(struct seq_oss_devinfo *dp, int dev, struct midi_info
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* proc interface
*/
@@ -705,4 +705,4 @@ snd_seq_oss_midi_info_read(struct snd_info_buffer *buf)
snd_use_lock_free(&mdev->use_lock);
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/seq/oss/seq_oss_readq.c b/sound/core/seq/oss/seq_oss_readq.c
index c080c73cea04..ccd893566f1d 100644
--- a/sound/core/seq/oss/seq_oss_readq.c
+++ b/sound/core/seq/oss/seq_oss_readq.c
@@ -222,7 +222,7 @@ snd_seq_oss_readq_put_timestamp(struct seq_oss_readq *q, unsigned long curt, int
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* proc interface
*/
@@ -233,4 +233,4 @@ snd_seq_oss_readq_info_read(struct seq_oss_readq *q, struct snd_info_buffer *buf
(waitqueue_active(&q->midi_sleep) ? "sleeping":"running"),
q->qlen, q->input_time);
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index 48e4fe1b68ab..0f3b38184fe5 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -630,7 +630,7 @@ snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_in
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* proc interface
*/
@@ -658,4 +658,4 @@ snd_seq_oss_synth_info_read(struct snd_info_buffer *buf)
snd_use_lock_free(&rec->use_lock);
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index edbdab85fc02..b64f20deba90 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -2447,7 +2447,7 @@ EXPORT_SYMBOL(snd_seq_kernel_client_write_poll);
/*---------------------------------------------------------------------------*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* /proc interface
*/
@@ -2549,7 +2549,7 @@ void snd_seq_info_clients_read(struct snd_info_entry *entry,
snd_seq_client_unlock(client);
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
/*---------------------------------------------------------------------------*/
diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
index d99f99d61983..288af56a43cd 100644
--- a/sound/core/seq/seq_device.c
+++ b/sound/core/seq/seq_device.c
@@ -72,7 +72,7 @@ static struct bus_type snd_seq_bus_type = {
/*
* proc interface -- just for compatibility
*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static struct snd_info_entry *info_entry;
static int print_dev_info(struct device *dev, void *data)
diff --git a/sound/core/seq/seq_info.h b/sound/core/seq/seq_info.h
index 4892a7f35c08..f8549f81a645 100644
--- a/sound/core/seq/seq_info.h
+++ b/sound/core/seq/seq_info.h
@@ -29,7 +29,7 @@ void snd_seq_info_timer_read(struct snd_info_entry *entry, struct snd_info_buffe
void snd_seq_info_queues_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
int snd_seq_info_init( void );
int snd_seq_info_done( void );
#else
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index a0cda38205b9..7dfd0f429410 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -753,7 +753,7 @@ int snd_seq_control_queue(struct snd_seq_event *ev, int atomic, int hop)
/*----------------------------------------------------------------*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/* exported to seq_info.c */
void snd_seq_info_queues_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
@@ -787,5 +787,5 @@ void snd_seq_info_queues_read(struct snd_info_entry *entry,
queuefree(q);
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index 186f1611103c..82b220c769c1 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -422,7 +422,7 @@ snd_seq_tick_time_t snd_seq_timer_get_cur_tick(struct snd_seq_timer *tmr)
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/* exported to seq_info.c */
void snd_seq_info_timer_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
@@ -449,5 +449,5 @@ void snd_seq_info_timer_read(struct snd_info_entry *entry,
queuefree(q);
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/sound.c b/sound/core/sound.c
index e5d37bd7c226..175f9e4e01c8 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -330,7 +330,7 @@ int snd_unregister_device(struct device *dev)
}
EXPORT_SYMBOL(snd_unregister_device);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* INFO PART
*/
@@ -391,7 +391,7 @@ int __init snd_minor_info_init(void)
entry->c.text.read = snd_minor_info_read;
return snd_info_register(entry); /* freed in error path */
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
/*
* INIT PART
diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index 86e2d91dd375..0ca9d72b2273 100644
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -207,7 +207,7 @@ EXPORT_SYMBOL(snd_unregister_oss_device);
* INFO PART
*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static const char *snd_oss_device_type_name(int type)
{
switch (type) {
@@ -259,4 +259,4 @@ int __init snd_minor_info_oss_init(void)
entry->c.text.read = snd_minor_info_oss_read;
return snd_info_register(entry); /* freed in error path */
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
diff --git a/sound/core/timer.c b/sound/core/timer.c
index a9a1a047c521..31f40f03e5b7 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1034,7 +1034,7 @@ static int snd_timer_register_system(void)
return snd_timer_global_register(timer);
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
/*
* Info interface
*/
@@ -1104,7 +1104,7 @@ static void __exit snd_timer_proc_done(void)
{
snd_info_free_entry(snd_timer_proc_entry);
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_PROC_FS */
#define snd_timer_proc_init()
#define snd_timer_proc_done()
#endif
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 90e69b243b41..6d83c6e0396a 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -3,7 +3,8 @@ snd-hda-tegra-objs := hda_tegra.o
snd-hda-codec-y := hda_bind.o hda_codec.o hda_jack.o hda_auto_parser.o hda_sysfs.o
snd-hda-codec-y += hda_controller.o
-snd-hda-codec-$(CONFIG_PROC_FS) += hda_proc.o
+snd-hda-codec-$(CONFIG_SND_PROC_FS) += hda_proc.o
+
snd-hda-codec-$(CONFIG_SND_HDA_HWDEP) += hda_hwdep.o
snd-hda-codec-$(CONFIG_SND_HDA_INPUT_BEEP) += hda_beep.o
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 0e6d7534f491..c746cd9a4450 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -448,7 +448,7 @@ void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e)
hdmi_show_short_audio_desc(codec, e->sad + i);
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static void hdmi_print_sad_info(int i, struct cea_sad *a,
struct snd_info_buffer *buffer)
@@ -586,7 +586,7 @@ void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
}
}
}
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_PROC_FS */
/* update PCM info based on ELD */
void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 3b567f42296b..be7c66d1738e 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -330,7 +330,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
/*
* generic proc interface
*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
int snd_hda_codec_proc_new(struct hda_codec *codec);
#else
static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
@@ -777,7 +777,7 @@ int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
unsigned char *buf, int *eld_size,
bool rev3_or_later);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
struct snd_info_buffer *buffer);
void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index ef8a5627a281..73c20c0e5d73 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -86,7 +86,7 @@ struct hdmi_spec_per_pin {
bool non_pcm;
bool chmap_set; /* channel-map override by ALSA API? */
unsigned char chmap[8]; /* ALSA API channel-map */
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
struct snd_info_entry *proc_entry;
#endif
};
@@ -548,7 +548,7 @@ static void hdmi_set_channel_count(struct hda_codec *codec,
* ELD proc files
*/
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static void print_eld_info(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 43c99ce4a520..054026a709f9 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4337,7 +4337,7 @@ static void stac_shutup(struct hda_codec *codec)
#define stac_free snd_hda_gen_free
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_PROC_FS
static void stac92hd_proc_hook(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid)
{