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authorCezary Rojewski <cezary.rojewski@intel.com>2022-02-14 11:14:04 +0100
committerTakashi Iwai <tiwai@suse.de>2022-02-21 10:56:38 +0100
commitbb682f7a91af08f1fdb669d3911978d7166a65d1 (patch)
tree3b78a85ec81410297de73f1f3dc04eb294768531
parent17e0c4cbb748fca764ee184c50b60b3a7b0e0dc7 (diff)
ALSA: hda: Expose codec cleanup and power-save functions
With few changes, snd_hda_codec_set_power_save() and snd_hda_codec_cleanup_for_unbind() can be re-used by ASoC drivers. While at it, provide kernel doc for the exposed functions. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20220214101404.4074026-5-cezary.rojewski@intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--include/sound/hda_codec.h3
-rw-r--r--sound/pci/hda/hda_codec.c14
-rw-r--r--sound/pci/hda/hda_local.h1
3 files changed, 15 insertions, 3 deletions
diff --git a/include/sound/hda_codec.h b/include/sound/hda_codec.h
index f74abc13414f..77426ff58338 100644
--- a/include/sound/hda_codec.h
+++ b/include/sound/hda_codec.h
@@ -318,6 +318,7 @@ int snd_hda_codec_configure(struct hda_codec *codec);
int snd_hda_codec_update_widgets(struct hda_codec *codec);
void snd_hda_codec_register(struct hda_codec *codec);
void snd_hda_codec_unregister(struct hda_codec *codec);
+void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
/*
* low level functions
@@ -496,9 +497,11 @@ int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
#define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core)
#define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core)
#ifdef CONFIG_PM
+void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay);
void snd_hda_set_power_save(struct hda_bus *bus, int delay);
void snd_hda_update_power_acct(struct hda_codec *codec);
#else
+static inline void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay) {}
static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
#endif
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index f0c74d3b4c65..5cbac315dbe1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -766,6 +766,10 @@ static void codec_release_pcms(struct hda_codec *codec)
}
}
+/**
+ * snd_hda_codec_cleanup_for_unbind - Prepare codec for removal
+ * @codec: codec device to cleanup
+ */
void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
{
if (codec->registered) {
@@ -3401,7 +3405,12 @@ int snd_hda_add_new_ctls(struct hda_codec *codec,
EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
#ifdef CONFIG_PM
-static void codec_set_power_save(struct hda_codec *codec, int delay)
+/**
+ * snd_hda_codec_set_power_save - Configure codec's runtime PM
+ * @codec: codec device to configure
+ * @delay: autosuspend delay
+ */
+void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay)
{
struct device *dev = hda_codec_dev(codec);
@@ -3419,6 +3428,7 @@ static void codec_set_power_save(struct hda_codec *codec, int delay)
pm_runtime_forbid(dev);
}
}
+EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_save);
/**
* snd_hda_set_power_save - reprogram autosuspend for the given delay
@@ -3432,7 +3442,7 @@ void snd_hda_set_power_save(struct hda_bus *bus, int delay)
struct hda_codec *c;
list_for_each_codec(c, bus)
- codec_set_power_save(c, delay);
+ snd_hda_codec_set_power_save(c, delay);
}
EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 4c52dfb615bc..aca592651870 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -135,7 +135,6 @@ int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
#define snd_hda_add_vmaster(codec, name, tlv, followers, suffix, access) \
__snd_hda_add_vmaster(codec, name, tlv, followers, suffix, true, access, NULL)
int snd_hda_codec_reset(struct hda_codec *codec);
-void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
void snd_hda_codec_disconnect_pcms(struct hda_codec *codec);
#define snd_hda_regmap_sync(codec) snd_hdac_regmap_sync(&(codec)->core)