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authorLinus Torvalds <torvalds@linux-foundation.org>2011-09-16 07:13:48 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-16 07:13:48 +0200
commitc455ea4f122d21c91fcf4c36c3f0c08535ba3ce8 (patch)
tree4eef0a4e28bde9715e06389d229facfb3039b01e
parentasm alternatives: remove incorrect alignment notes (diff)
parentALSA: pcm - fix race condition in wait_for_avail() (diff)
downloadlinux-c455ea4f122d21c91fcf4c36c3f0c08535ba3ce8.tar.xz
linux-c455ea4f122d21c91fcf4c36c3f0c08535ba3ce8.zip
Merge branch 'for-linus' of git://github.com/tiwai/sound
* 'for-linus' of git://github.com/tiwai/sound: ALSA: pcm - fix race condition in wait_for_avail() ALSA: HDA: Cirrus - fix "Surround Speaker" volume control name ALSA: hda - Terminate the recursive connection search properly ASoC: Fix trivial build regression in Kirkwood I2S ASoC: Blackfin: bf5xx-ad193x: Fix codec device name ASoC: Fix reporting of partial jack updates ASoC: imx: Fix build warning of unused 'card' variable ASoC: Fix register cache sync register_writable WARN_ONs ASoC: snd_soc_codec_{readable,writable}_register change default to true ASoC: soc-dapm: Fix parameter comment for snd_soc_dapm_free MAINTAINERS: Add some missed Wolfson files ASoC: MPC5200: replace of_device with platform_device
-rw-r--r--MAINTAINERS4
-rw-r--r--sound/core/pcm_lib.c33
-rw-r--r--sound/pci/hda/hda_codec.c6
-rw-r--r--sound/pci/hda/patch_cirrus.c2
-rw-r--r--sound/soc/blackfin/bf5xx-ad193x.c4
-rw-r--r--sound/soc/fsl/mpc5200_dma.c6
-rw-r--r--sound/soc/imx/imx-pcm-fiq.c1
-rw-r--r--sound/soc/kirkwood/kirkwood-i2s.c2
-rw-r--r--sound/soc/soc-cache.c12
-rw-r--r--sound/soc/soc-core.c4
-rw-r--r--sound/soc/soc-dapm.c2
-rw-r--r--sound/soc/soc-jack.c2
12 files changed, 50 insertions, 28 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 7658e1ffd58e..0acf9ab3d287 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7211,6 +7211,9 @@ W: http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices
S: Supported
F: Documentation/hwmon/wm83??
F: drivers/leds/leds-wm83*.c
+F: drivers/input/misc/wm831x-on.c
+F: drivers/input/touchscreen/wm831x-ts.c
+F: drivers/input/touchscreen/wm97*.c
F: drivers/mfd/wm8*.c
F: drivers/power/wm83*.c
F: drivers/rtc/rtc-wm83*.c
@@ -7220,6 +7223,7 @@ F: drivers/watchdog/wm83*_wdt.c
F: include/linux/mfd/wm831x/
F: include/linux/mfd/wm8350/
F: include/linux/mfd/wm8400*
+F: include/linux/wm97xx.h
F: include/sound/wm????.h
F: sound/soc/codecs/wm*
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 86d0caf91b35..62e90b862a0d 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1761,6 +1761,10 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
snd_pcm_uframes_t avail = 0;
long wait_time, tout;
+ init_waitqueue_entry(&wait, current);
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&runtime->tsleep, &wait);
+
if (runtime->no_period_wakeup)
wait_time = MAX_SCHEDULE_TIMEOUT;
else {
@@ -1771,16 +1775,32 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
}
wait_time = msecs_to_jiffies(wait_time * 1000);
}
- init_waitqueue_entry(&wait, current);
- add_wait_queue(&runtime->tsleep, &wait);
+
for (;;) {
if (signal_pending(current)) {
err = -ERESTARTSYS;
break;
}
+
+ /*
+ * We need to check if space became available already
+ * (and thus the wakeup happened already) first to close
+ * the race of space already having become available.
+ * This check must happen after been added to the waitqueue
+ * and having current state be INTERRUPTIBLE.
+ */
+ if (is_playback)
+ avail = snd_pcm_playback_avail(runtime);
+ else
+ avail = snd_pcm_capture_avail(runtime);
+ if (avail >= runtime->twake)
+ break;
snd_pcm_stream_unlock_irq(substream);
- tout = schedule_timeout_interruptible(wait_time);
+
+ tout = schedule_timeout(wait_time);
+
snd_pcm_stream_lock_irq(substream);
+ set_current_state(TASK_INTERRUPTIBLE);
switch (runtime->status->state) {
case SNDRV_PCM_STATE_SUSPENDED:
err = -ESTRPIPE;
@@ -1806,14 +1826,9 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
err = -EIO;
break;
}
- if (is_playback)
- avail = snd_pcm_playback_avail(runtime);
- else
- avail = snd_pcm_capture_avail(runtime);
- if (avail >= runtime->twake)
- break;
}
_endloop:
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&runtime->tsleep, &wait);
*availp = avail;
return err;
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 3e7850c238c3..f3aefef37216 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -579,9 +579,13 @@ int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
return -1;
}
recursive++;
- for (i = 0; i < nums; i++)
+ for (i = 0; i < nums; i++) {
+ unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
+ if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
+ continue;
if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
return i;
+ }
return -1;
}
EXPORT_SYMBOL_HDA(snd_hda_get_conn_index);
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index d6c93d92b550..c45f3e69bcf0 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -535,7 +535,7 @@ static int add_volume(struct hda_codec *codec, const char *name,
int index, unsigned int pval, int dir,
struct snd_kcontrol **kctlp)
{
- char tmp[32];
+ char tmp[44];
struct snd_kcontrol_new knew =
HDA_CODEC_VOLUME_IDX(tmp, index, 0, 0, HDA_OUTPUT);
knew.private_value = pval;
diff --git a/sound/soc/blackfin/bf5xx-ad193x.c b/sound/soc/blackfin/bf5xx-ad193x.c
index a118a0fb9d81..5956584ea3a4 100644
--- a/sound/soc/blackfin/bf5xx-ad193x.c
+++ b/sound/soc/blackfin/bf5xx-ad193x.c
@@ -103,7 +103,7 @@ static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
.cpu_dai_name = "bfin-tdm.0",
.codec_dai_name ="ad193x-hifi",
.platform_name = "bfin-tdm-pcm-audio",
- .codec_name = "ad193x.5",
+ .codec_name = "spi0.5",
.ops = &bf5xx_ad193x_ops,
},
{
@@ -112,7 +112,7 @@ static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
.cpu_dai_name = "bfin-tdm.1",
.codec_dai_name ="ad193x-hifi",
.platform_name = "bfin-tdm-pcm-audio",
- .codec_name = "ad193x.5",
+ .codec_name = "spi0.5",
.ops = &bf5xx_ad193x_ops,
},
};
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index fd0dc46afc34..5c6c2457386e 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -369,7 +369,7 @@ static struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
.pcm_free = &psc_dma_free,
};
-static int mpc5200_hpcd_probe(struct of_device *op)
+static int mpc5200_hpcd_probe(struct platform_device *op)
{
phys_addr_t fifo;
struct psc_dma *psc_dma;
@@ -487,7 +487,7 @@ out_unmap:
return ret;
}
-static int mpc5200_hpcd_remove(struct of_device *op)
+static int mpc5200_hpcd_remove(struct platform_device *op)
{
struct psc_dma *psc_dma = dev_get_drvdata(&op->dev);
@@ -519,7 +519,7 @@ MODULE_DEVICE_TABLE(of, mpc5200_hpcd_match);
static struct platform_driver mpc5200_hpcd_of_driver = {
.probe = mpc5200_hpcd_probe,
.remove = mpc5200_hpcd_remove,
- .dev = {
+ .driver = {
.owner = THIS_MODULE,
.name = "mpc5200-pcm-audio",
.of_match_table = mpc5200_hpcd_match,
diff --git a/sound/soc/imx/imx-pcm-fiq.c b/sound/soc/imx/imx-pcm-fiq.c
index 309c59e6fb6c..7945625e0e08 100644
--- a/sound/soc/imx/imx-pcm-fiq.c
+++ b/sound/soc/imx/imx-pcm-fiq.c
@@ -240,7 +240,6 @@ static int ssi_irq = 0;
static int imx_pcm_fiq_new(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_card *card = rtd->card->snd_card;
struct snd_soc_dai *dai = rtd->cpu_dai;
struct snd_pcm *pcm = rtd->pcm;
int ret;
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 8f16cd37c2af..d0bcf3fcea01 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -424,7 +424,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev)
if (!priv->mem) {
dev_err(&pdev->dev, "request_mem_region failed\n");
err = -EBUSY;
- goto error_alloc;
+ goto err_alloc;
}
priv->io = ioremap(priv->mem->start, SZ_16K);
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index d9f8aded51f3..20b7f3b003a3 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -203,14 +203,14 @@ static int snd_soc_rbtree_cache_sync(struct snd_soc_codec *codec)
rbnode = rb_entry(node, struct snd_soc_rbtree_node, node);
for (i = 0; i < rbnode->blklen; ++i) {
regtmp = rbnode->base_reg + i;
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, regtmp));
val = snd_soc_rbtree_get_register(rbnode, i);
def = snd_soc_get_cache_val(codec->reg_def_copy, i,
rbnode->word_size);
if (val == def)
continue;
+ WARN_ON(!snd_soc_codec_writable_register(codec, regtmp));
+
codec->cache_bypass = 1;
ret = snd_soc_write(codec, regtmp, val);
codec->cache_bypass = 0;
@@ -563,8 +563,7 @@ static int snd_soc_lzo_cache_sync(struct snd_soc_codec *codec)
lzo_blocks = codec->reg_cache;
for_each_set_bit(i, lzo_blocks[0]->sync_bmp, lzo_blocks[0]->sync_bmp_nbits) {
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, i));
+ WARN_ON(!snd_soc_codec_writable_register(codec, i));
ret = snd_soc_cache_read(codec, i, &val);
if (ret)
return ret;
@@ -823,8 +822,6 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec)
codec_drv = codec->driver;
for (i = 0; i < codec_drv->reg_cache_size; ++i) {
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, i));
ret = snd_soc_cache_read(codec, i, &val);
if (ret)
return ret;
@@ -832,6 +829,9 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec)
if (snd_soc_get_cache_val(codec->reg_def_copy,
i, codec_drv->reg_word_size) == val)
continue;
+
+ WARN_ON(!snd_soc_codec_writable_register(codec, i));
+
ret = snd_soc_write(codec, i, val);
if (ret)
return ret;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b085d8e87574..d2ef014af215 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1633,7 +1633,7 @@ int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
if (codec->readable_register)
return codec->readable_register(codec, reg);
else
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register);
@@ -1651,7 +1651,7 @@ int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
if (codec->writable_register)
return codec->writable_register(codec, reg);
else
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 7e15914b3633..d67c637557a7 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2763,7 +2763,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
/**
* snd_soc_dapm_free - free dapm resources
- * @card: SoC device
+ * @dapm: DAPM context
*
* Free all dapm widgets and resources.
*/
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index 38b00131b2fe..fa31d9c2abd8 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -105,7 +105,7 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
snd_soc_dapm_sync(dapm);
- snd_jack_report(jack->jack, status);
+ snd_jack_report(jack->jack, jack->status);
out:
mutex_unlock(&codec->mutex);