Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:
	Documentation/feature-removal-schedule.txt
	drivers/scsi/fcoe/fcoe.c
	net/core/drop_monitor.c
	net/core/net-traces.c

1 files changed, 145 insertions, 94 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 8820faf6c9d8..562403a23488 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -48,6 +48,7 @@ static struct hda_vendor_id hda_vendor_ids[] = {
 	{ 0x1095, "Silicon Image" },
 	{ 0x10de, "Nvidia" },
 	{ 0x10ec, "Realtek" },
+	{ 0x1102, "Creative" },
 	{ 0x1106, "VIA" },
 	{ 0x111d, "IDT" },
 	{ 0x11c1, "LSI" },
@@ -157,6 +158,39 @@ make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
 	return val;
 }
 
+/*
+ * Send and receive a verb
+ */
+static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd,
+			   unsigned int *res)
+{
+	struct hda_bus *bus = codec->bus;
+	int err;
+
+	if (res)
+		*res = -1;
+ again:
+	snd_hda_power_up(codec);
+	mutex_lock(&bus->cmd_mutex);
+	err = bus->ops.command(bus, cmd);
+	if (!err && res)
+		*res = bus->ops.get_response(bus);
+	mutex_unlock(&bus->cmd_mutex);
+	snd_hda_power_down(codec);
+	if (res && *res == -1 && bus->rirb_error) {
+		if (bus->response_reset) {
+			snd_printd("hda_codec: resetting BUS due to "
+				   "fatal communication error\n");
+			bus->ops.bus_reset(bus);
+		}
+		goto again;
+	}
+	/* clear reset-flag when the communication gets recovered */
+	if (!err)
+		bus->response_reset = 0;
+	return err;
+}
+
 /**
  * snd_hda_codec_read - send a command and get the response
  * @codec: the HDA codec
@@ -173,18 +207,9 @@ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 				int direct,
 				unsigned int verb, unsigned int parm)
 {
-	struct hda_bus *bus = codec->bus;
+	unsigned cmd = make_codec_cmd(codec, nid, direct, verb, parm);
 	unsigned int res;
-
-	res = make_codec_cmd(codec, nid, direct, verb, parm);
-	snd_hda_power_up(codec);
-	mutex_lock(&bus->cmd_mutex);
-	if (!bus->ops.command(bus, res))
-		res = bus->ops.get_response(bus);
-	else
-		res = (unsigned int)-1;
-	mutex_unlock(&bus->cmd_mutex);
-	snd_hda_power_down(codec);
+	codec_exec_verb(codec, cmd, &res);
 	return res;
 }
 EXPORT_SYMBOL_HDA(snd_hda_codec_read);
@@ -204,17 +229,10 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_read);
 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 			 unsigned int verb, unsigned int parm)
 {
-	struct hda_bus *bus = codec->bus;
+	unsigned int cmd = make_codec_cmd(codec, nid, direct, verb, parm);
 	unsigned int res;
-	int err;
-
-	res = make_codec_cmd(codec, nid, direct, verb, parm);
-	snd_hda_power_up(codec);
-	mutex_lock(&bus->cmd_mutex);
-	err = bus->ops.command(bus, res);
-	mutex_unlock(&bus->cmd_mutex);
-	snd_hda_power_down(codec);
-	return err;
+	return codec_exec_verb(codec, cmd,
+			       codec->bus->sync_write ? &res : NULL);
 }
 EXPORT_SYMBOL_HDA(snd_hda_codec_write);
 
@@ -613,7 +631,10 @@ static int get_codec_name(struct hda_codec *codec)
 	const struct hda_vendor_id *c;
 	const char *vendor = NULL;
 	u16 vendor_id = codec->vendor_id >> 16;
-	char tmp[16], name[32];
+	char tmp[16];
+
+	if (codec->vendor_name)
+		goto get_chip_name;
 
 	for (c = hda_vendor_ids; c->id; c++) {
 		if (c->id == vendor_id) {
@@ -625,14 +646,21 @@ static int get_codec_name(struct hda_codec *codec)
 		sprintf(tmp, "Generic %04x", vendor_id);
 		vendor = tmp;
 	}
+	codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
+	if (!codec->vendor_name)
+		return -ENOMEM;
+
+ get_chip_name:
+	if (codec->chip_name)
+		return 0;
+
 	if (codec->preset && codec->preset->name)
-		snprintf(name, sizeof(name), "%s %s", vendor,
-			 codec->preset->name);
-	else
-		snprintf(name, sizeof(name), "%s ID %x", vendor,
-			 codec->vendor_id & 0xffff);
-	codec->name = kstrdup(name, GFP_KERNEL);
-	if (!codec->name)
+		codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
+	else {
+		sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
+		codec->chip_name = kstrdup(tmp, GFP_KERNEL);
+	}
+	if (!codec->chip_name)
 		return -ENOMEM;
 	return 0;
 }
@@ -838,7 +866,8 @@ static void snd_hda_codec_free(struct hda_codec *codec)
 	module_put(codec->owner);
 	free_hda_cache(&codec->amp_cache);
 	free_hda_cache(&codec->cmd_cache);
-	kfree(codec->name);
+	kfree(codec->vendor_name);
+	kfree(codec->chip_name);
 	kfree(codec->modelname);
 	kfree(codec->wcaps);
 	kfree(codec);
@@ -979,15 +1008,16 @@ int snd_hda_codec_configure(struct hda_codec *codec)
 	int err;
 
 	codec->preset = find_codec_preset(codec);
-	if (!codec->name) {
+	if (!codec->vendor_name || !codec->chip_name) {
 		err = get_codec_name(codec);
 		if (err < 0)
 			return err;
 	}
 	/* audio codec should override the mixer name */
 	if (codec->afg || !*codec->bus->card->mixername)
-		strlcpy(codec->bus->card->mixername, codec->name,
-			sizeof(codec->bus->card->mixername));
+		snprintf(codec->bus->card->mixername,
+			 sizeof(codec->bus->card->mixername),
+			 "%s %s", codec->vendor_name, codec->chip_name);
 
 	if (is_generic_config(codec)) {
 		err = snd_hda_parse_generic_codec(codec);
@@ -1055,6 +1085,8 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
 /* FIXME: more better hash key? */
 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
+#define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
+#define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
 #define INFO_AMP_CAPS	(1<<0)
 #define INFO_AMP_VOL(ch)	(1 << (1 + (ch)))
 
@@ -1145,19 +1177,32 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 }
 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
 
-u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
+static unsigned int
+query_caps_hash(struct hda_codec *codec, hda_nid_t nid, u32 key,
+		unsigned int (*func)(struct hda_codec *, hda_nid_t))
 {
 	struct hda_amp_info *info;
 
-	info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid));
+	info = get_alloc_amp_hash(codec, key);
 	if (!info)
 		return 0;
 	if (!info->head.val) {
-		info->amp_caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 		info->head.val |= INFO_AMP_CAPS;
+		info->amp_caps = func(codec, nid);
 	}
 	return info->amp_caps;
 }
+
+static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid)
+{
+	return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+}
+
+u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
+{
+	return query_caps_hash(codec, nid, HDA_HASH_PINCAP_KEY(nid),
+			       read_pin_cap);
+}
 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
 
 /*
@@ -1432,6 +1477,8 @@ _snd_hda_find_mixer_ctl(struct hda_codec *codec,
 	memset(&id, 0, sizeof(id));
 	id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 	id.index = idx;
+	if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
+		return NULL;
 	strcpy(id.name, name);
 	return snd_ctl_find_id(codec->bus->card, &id);
 }
@@ -2242,28 +2289,22 @@ EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
 			      int direct, unsigned int verb, unsigned int parm)
 {
-	struct hda_bus *bus = codec->bus;
-	unsigned int res;
-	int err;
+	int err = snd_hda_codec_write(codec, nid, direct, verb, parm);
+	struct hda_cache_head *c;
+	u32 key;
 
-	res = make_codec_cmd(codec, nid, direct, verb, parm);
-	snd_hda_power_up(codec);
-	mutex_lock(&bus->cmd_mutex);
-	err = bus->ops.command(bus, res);
-	if (!err) {
-		struct hda_cache_head *c;
-		u32 key;
-		/* parm may contain the verb stuff for get/set amp */
-		verb = verb | (parm >> 8);
-		parm &= 0xff;
-		key = build_cmd_cache_key(nid, verb);
-		c = get_alloc_hash(&codec->cmd_cache, key);
-		if (c)
-			c->val = parm;
-	}
-	mutex_unlock(&bus->cmd_mutex);
-	snd_hda_power_down(codec);
-	return err;
+	if (err < 0)
+		return err;
+	/* parm may contain the verb stuff for get/set amp */
+	verb = verb | (parm >> 8);
+	parm &= 0xff;
+	key = build_cmd_cache_key(nid, verb);
+	mutex_lock(&codec->bus->cmd_mutex);
+	c = get_alloc_hash(&codec->cmd_cache, key);
+	if (c)
+		c->val = parm;
+	mutex_unlock(&codec->bus->cmd_mutex);
+	return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
 
@@ -2321,7 +2362,8 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
 		if (wcaps & AC_WCAP_POWER) {
 			unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
 				AC_WCAP_TYPE_SHIFT;
-			if (wid_type == AC_WID_PIN) {
+			if (power_state == AC_PWRST_D3 &&
+			    wid_type == AC_WID_PIN) {
 				unsigned int pincap;
 				/*
 				 * don't power down the widget if it controls
@@ -2333,7 +2375,7 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
 						nid, 0,
 						AC_VERB_GET_EAPD_BTLENABLE, 0);
 					eapd &= 0x02;
-					if (power_state == AC_PWRST_D3 && eapd)
+					if (eapd)
 						continue;
 				}
 			}
@@ -2544,6 +2586,41 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 }
 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
 
+static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int val = 0;
+	if (nid != codec->afg &&
+	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
+		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
+	if (!val || val == -1)
+		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
+	if (!val || val == -1)
+		return 0;
+	return val;
+}
+
+static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid)
+{
+	return query_caps_hash(codec, nid, HDA_HASH_PARPCM_KEY(nid),
+			       get_pcm_param);
+}
+
+static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
+	if (!streams || streams == -1)
+		streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
+	if (!streams || streams == -1)
+		return 0;
+	return streams;
+}
+
+static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid)
+{
+	return query_caps_hash(codec, nid, HDA_HASH_PARSTR_KEY(nid),
+			       get_stream_param);
+}
+
 /**
  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
  * @codec: the HDA codec
@@ -2562,15 +2639,8 @@ static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 {
 	unsigned int i, val, wcaps;
 
-	val = 0;
 	wcaps = get_wcaps(codec, nid);
-	if (nid != codec->afg && (wcaps & AC_WCAP_FORMAT_OVRD)) {
-		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
-		if (val == -1)
-			return -EIO;
-	}
-	if (!val)
-		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
+	val = query_pcm_param(codec, nid);
 
 	if (ratesp) {
 		u32 rates = 0;
@@ -2592,15 +2662,9 @@ static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 		u64 formats = 0;
 		unsigned int streams, bps;
 
-		streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
-		if (streams == -1)
+		streams = query_stream_param(codec, nid);
+		if (!streams)
 			return -EIO;
-		if (!streams) {
-			streams = snd_hda_param_read(codec, codec->afg,
-						     AC_PAR_STREAM);
-			if (streams == -1)
-				return -EIO;
-		}
 
 		bps = 0;
 		if (streams & AC_SUPFMT_PCM) {
@@ -2674,17 +2738,9 @@ int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 	int i;
 	unsigned int val = 0, rate, stream;
 
-	if (nid != codec->afg &&
-	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
-		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
-		if (val == -1)
-			return 0;
-	}
-	if (!val) {
-		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
-		if (val == -1)
-			return 0;
-	}
+	val = query_pcm_param(codec, nid);
+	if (!val)
+		return 0;
 
 	rate = format & 0xff00;
 	for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
@@ -2696,12 +2752,8 @@ int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 	if (i >= AC_PAR_PCM_RATE_BITS)
 		return 0;
 
-	stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
-	if (stream == -1)
-		return 0;
-	if (!stream && nid != codec->afg)
-		stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
-	if (!stream || stream == -1)
+	stream = query_stream_param(codec, nid);
+	if (!stream)
 		return 0;
 
 	if (stream & AC_SUPFMT_PCM) {
@@ -3835,11 +3887,10 @@ EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
 /**
  * snd_hda_suspend - suspend the codecs
  * @bus: the HDA bus
- * @state: suspsend state
  *
  * Returns 0 if successful.
  */
-int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
+int snd_hda_suspend(struct hda_bus *bus)
 {
 	struct hda_codec *codec;