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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-03 09:10:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-03 09:10:23 -0700
commit9992ba72327fa0d8bdc9fb624e80f5cce338a711 (patch)
treee0bf31ae53cb19c44674df7e0d0343a26037ad34 /sound/soc/soc-core.c
parent00fdffb5131125dce0702bf61e24a806ec3aed80 (diff)
parent4ca231b2e6ed171107c5b21f9e92d1965fd6fd9e (diff)
downloadlinux-0-day-9992ba72327fa0d8bdc9fb624e80f5cce338a711.tar.gz
linux-0-day-9992ba72327fa0d8bdc9fb624e80f5cce338a711.tar.xz
Merge tag 'sound-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai: "Mostly many small changes spread as seen in diffstat in sound/* directory by this update. A significant change in the subsystem level is the introduction of snd_soc_component, which will help more generic handling of SoC and off-SoC components. Also, snd_BUG_ON() macro is enabled unconditionally now due to its misuses, so people might hit kernel warnings (it's a good thing for us). - compress-offload: support for capture by Charles Keepax - HD-audio: codec delay support by Dylan Reid - HD-audio: improvements/fixes in generic parser: better headphone mic and headset mic support, jack_modes hint consolidation, proper beep attach/detachment, generalized power filter controls by David Henningsson, et al - HD-audio: Improved management of HDMI codec pins/converters - HD-audio: Better pin/DAC assignment for VIA codecs - HD-audio: Haswell HDMI workarounds - HD-audio: ALC268 codec support, a few new quirks for Chromebooks - USB: regression fixes: USB-MIDI autopm fix, the recent ISO latency fix by Clemens Ladisch - USB: support for DSD formats by Daniel Mack - USB: A few UAC2 device endian/cock fixes by Eldad Zack - USB: quirks for Emu 192kHz support, Novation Twitch DJ controller, Yamaha THRxx devices - HDSPM: updates for TCO controls by Adrian Knoth - ASoC: Add a snd_soc_component object type for generic handling of SoC and off-SoC components by Kuninori Morimoto, - dmaengine: a large set of cleanups and conversions by Lars-Peter Clausen - ASoC DAPM: performance optimizations from Ryo Tsutsui - ASoC DAPM: support for mixer control sharing by Stephen Warren - ASoC: multiplatform ARM cleanups from Arnd Bergmann - ASoC: new codec drivers for AK5385 and TAS5086 from Daniel Mack" * tag 'sound-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (315 commits) ALSA: usb-audio: caiaq: fix endianness bug in snd_usb_caiaq_maschine_dispatch ALSA: asihpi: add format support check in snd_card_asihpi_capture_formats ALSA: pcm_format_to_bits strong-typed conversion ALSA: compress: fix the states to check for allowing read ALSA: hda - Move Thinkpad X220 to use auto parser ALSA: USB: adjust for changed 3.8 USB API ALSA: usb - Avoid unnecessary sample rate changes on USB 2.0 clock sources sound: oss/dmabuf: use dma_map_single ALSA: ali5451: use mdelay instead of large udelay constants ALSA: hda - Add the support for ALC286 codec ALSA: usb-audio: USB quirk for Yamaha THR10C ALSA: usb-audio: USB quirk for Yamaha THR5A ALSA: usb-audio: USB quirk for Yamaha THR10 ALSA: usb-audio: Fix autopm error during probing ALSA: snd-usb: try harder to find USB_DT_CS_ENDPOINT ALSA: sound kconfig typo ALSA: emu10k1: Fix dock firmware loading ASoC: ux500: forward declare msp_i2s_platform_data ASoC: davinci-mcasp: Add Support BCLK-to-LRCLK ratio for TDM modes ASoC: davinci-pcm, davinci-mcasp: Clean up active_serializers ...
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c213
1 files changed, 168 insertions, 45 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index ff4b45a5d796f..d56bbea6e75e6 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -58,6 +58,7 @@ static DEFINE_MUTEX(client_mutex);
static LIST_HEAD(dai_list);
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
+static LIST_HEAD(component_list);
/*
* This is a timeout to do a DAPM powerdown after a stream is closed().
@@ -3740,7 +3741,7 @@ static inline char *fmt_multiple_name(struct device *dev,
*
* @dai: DAI to register
*/
-int snd_soc_register_dai(struct device *dev,
+static int snd_soc_register_dai(struct device *dev,
struct snd_soc_dai_driver *dai_drv)
{
struct snd_soc_codec *codec;
@@ -3787,14 +3788,13 @@ int snd_soc_register_dai(struct device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_dai);
/**
* snd_soc_unregister_dai - Unregister a DAI from the ASoC core
*
* @dai: DAI to unregister
*/
-void snd_soc_unregister_dai(struct device *dev)
+static void snd_soc_unregister_dai(struct device *dev)
{
struct snd_soc_dai *dai;
@@ -3813,7 +3813,6 @@ found:
kfree(dai->name);
kfree(dai);
}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
/**
* snd_soc_register_dais - Register multiple DAIs with the ASoC core
@@ -3821,7 +3820,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
* @dai: Array of DAIs to register
* @count: Number of DAIs
*/
-int snd_soc_register_dais(struct device *dev,
+static int snd_soc_register_dais(struct device *dev,
struct snd_soc_dai_driver *dai_drv, size_t count)
{
struct snd_soc_codec *codec;
@@ -3885,7 +3884,6 @@ err:
return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_dais);
/**
* snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
@@ -3893,31 +3891,23 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais);
* @dai: Array of DAIs to unregister
* @count: Number of DAIs
*/
-void snd_soc_unregister_dais(struct device *dev, size_t count)
+static void snd_soc_unregister_dais(struct device *dev, size_t count)
{
int i;
for (i = 0; i < count; i++)
snd_soc_unregister_dai(dev);
}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
/**
- * snd_soc_register_platform - Register a platform with the ASoC core
- *
- * @platform: platform to register
+ * snd_soc_add_platform - Add a platform to the ASoC core
+ * @dev: The parent device for the platform
+ * @platform: The platform to add
+ * @platform_driver: The driver for the platform
*/
-int snd_soc_register_platform(struct device *dev,
- struct snd_soc_platform_driver *platform_drv)
+int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
+ const struct snd_soc_platform_driver *platform_drv)
{
- struct snd_soc_platform *platform;
-
- dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
-
- platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
- if (platform == NULL)
- return -ENOMEM;
-
/* create platform component name */
platform->name = fmt_single_name(dev, &platform->id);
if (platform->name == NULL) {
@@ -3940,30 +3930,76 @@ int snd_soc_register_platform(struct device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_platform);
+EXPORT_SYMBOL_GPL(snd_soc_add_platform);
/**
- * snd_soc_unregister_platform - Unregister a platform from the ASoC core
+ * snd_soc_register_platform - Register a platform with the ASoC core
*
- * @platform: platform to unregister
+ * @platform: platform to register
*/
-void snd_soc_unregister_platform(struct device *dev)
+int snd_soc_register_platform(struct device *dev,
+ const struct snd_soc_platform_driver *platform_drv)
{
struct snd_soc_platform *platform;
+ int ret;
- list_for_each_entry(platform, &platform_list, list) {
- if (dev == platform->dev)
- goto found;
- }
- return;
+ dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
-found:
+ platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
+ if (platform == NULL)
+ return -ENOMEM;
+
+ ret = snd_soc_add_platform(dev, platform, platform_drv);
+ if (ret)
+ kfree(platform);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_platform);
+
+/**
+ * snd_soc_remove_platform - Remove a platform from the ASoC core
+ * @platform: the platform to remove
+ */
+void snd_soc_remove_platform(struct snd_soc_platform *platform)
+{
mutex_lock(&client_mutex);
list_del(&platform->list);
mutex_unlock(&client_mutex);
- dev_dbg(dev, "ASoC: Unregistered platform '%s'\n", platform->name);
+ dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
+ platform->name);
kfree(platform->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
+
+struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev)
+{
+ struct snd_soc_platform *platform;
+
+ list_for_each_entry(platform, &platform_list, list) {
+ if (dev == platform->dev)
+ return platform;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_lookup_platform);
+
+/**
+ * snd_soc_unregister_platform - Unregister a platform from the ASoC core
+ *
+ * @platform: platform to unregister
+ */
+void snd_soc_unregister_platform(struct device *dev)
+{
+ struct snd_soc_platform *platform;
+
+ platform = snd_soc_lookup_platform(dev);
+ if (!platform)
+ return;
+
+ snd_soc_remove_platform(platform);
kfree(platform);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
@@ -4024,8 +4060,8 @@ int snd_soc_register_codec(struct device *dev,
/* create CODEC component name */
codec->name = fmt_single_name(dev, &codec->id);
if (codec->name == NULL) {
- kfree(codec);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto fail_codec;
}
if (codec_drv->compress_type)
@@ -4064,7 +4100,7 @@ int snd_soc_register_codec(struct device *dev,
reg_size, GFP_KERNEL);
if (!codec->reg_def_copy) {
ret = -ENOMEM;
- goto fail;
+ goto fail_codec_name;
}
}
}
@@ -4088,18 +4124,22 @@ int snd_soc_register_codec(struct device *dev,
mutex_unlock(&client_mutex);
/* register any DAIs */
- if (num_dai) {
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
- if (ret < 0)
- dev_err(codec->dev, "ASoC: Failed to regster"
- " DAIs: %d\n", ret);
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0) {
+ dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto fail_codec_name;
}
dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name);
return 0;
-fail:
+fail_codec_name:
+ mutex_lock(&client_mutex);
+ list_del(&codec->list);
+ mutex_unlock(&client_mutex);
+
kfree(codec->name);
+fail_codec:
kfree(codec);
return ret;
}
@@ -4113,7 +4153,6 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec);
void snd_soc_unregister_codec(struct device *dev)
{
struct snd_soc_codec *codec;
- int i;
list_for_each_entry(codec, &codec_list, list) {
if (dev == codec->dev)
@@ -4122,9 +4161,7 @@ void snd_soc_unregister_codec(struct device *dev)
return;
found:
- if (codec->num_dai)
- for (i = 0; i < codec->num_dai; i++)
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_dais(dev, codec->num_dai);
mutex_lock(&client_mutex);
list_del(&codec->list);
@@ -4139,6 +4176,92 @@ found:
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
+
+/**
+ * snd_soc_register_component - Register a component with the ASoC core
+ *
+ */
+int snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
+{
+ struct snd_soc_component *cmpnt;
+ int ret;
+
+ dev_dbg(dev, "component register %s\n", dev_name(dev));
+
+ cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
+ if (!cmpnt) {
+ dev_err(dev, "ASoC: Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->name = fmt_single_name(dev, &cmpnt->id);
+ if (!cmpnt->name) {
+ dev_err(dev, "ASoC: Failed to simplifying name\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->dev = dev;
+ cmpnt->driver = cmpnt_drv;
+ cmpnt->num_dai = num_dai;
+
+ /*
+ * snd_soc_register_dai() uses fmt_single_name(), and
+ * snd_soc_register_dais() uses fmt_multiple_name()
+ * for dai->name which is used for name based matching
+ */
+ if (1 == num_dai)
+ ret = snd_soc_register_dai(dev, dai_drv);
+ else
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0) {
+ dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto error_component_name;
+ }
+
+ mutex_lock(&client_mutex);
+ list_add(&cmpnt->list, &component_list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
+
+ return ret;
+
+error_component_name:
+ kfree(cmpnt->name);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_component);
+
+/**
+ * snd_soc_unregister_component - Unregister a component from the ASoC core
+ *
+ */
+void snd_soc_unregister_component(struct device *dev)
+{
+ struct snd_soc_component *cmpnt;
+
+ list_for_each_entry(cmpnt, &component_list, list) {
+ if (dev == cmpnt->dev)
+ goto found;
+ }
+ return;
+
+found:
+ snd_soc_unregister_dais(dev, cmpnt->num_dai);
+
+ mutex_lock(&client_mutex);
+ list_del(&cmpnt->list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
+ kfree(cmpnt->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+
/* Retrieve a card's name from device tree */
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname)