alsa-utils/alsa-utils-hg-fixes.diff

diff -r 3b8e4ee4363e alsactl/alsactl.1
--- a/alsactl/alsactl.1	Mon Oct 15 10:36:47 2007 +0200
+++ b/alsactl/alsactl.1	Fri Dec 14 15:35:34 2007 +0100
@@ -41,7 +41,12 @@ Select the configuration file to use. Th
 .TP
 \fI\-F, \-\-force\fP
 Used with restore command.  Try to restore the matching control elements
-as much as possible.
+as much as possible.  This option is set as default now.
+
+.TP
+\fI\-P, \-\-pedantic\fP
+Used with restore command.  Don't restore mismatching control elements.
+This option was the old default behavior.
 
 .TP
 \fI\-d, \-\-debug\fP
diff -r 3b8e4ee4363e alsactl/alsactl.c
--- a/alsactl/alsactl.c	Mon Oct 15 10:36:47 2007 +0200
+++ b/alsactl/alsactl.c	Fri Dec 14 15:35:34 2007 +0100
@@ -34,7 +34,7 @@
 #define SYS_ASOUNDNAMES "/etc/asound.names"
 
 int debugflag = 0;
-int force_restore = 0;
+int force_restore = 1;
 char *command;
 
 static void help(void)
@@ -44,6 +44,8 @@ static void help(void)
 	printf("  -h,--help        this help\n");
 	printf("  -f,--file #      configuration file (default " SYS_ASOUNDRC " or " SYS_ASOUNDNAMES ")\n");
 	printf("  -F,--force       try to restore the matching controls as much as possible\n");
+	printf("                   (default mode)\n");
+	printf("  -P,--pedantic    don't restore mismatching controls (old default)\n");
 	printf("  -d,--debug       debug mode\n");
 	printf("  -v,--version     print version of this program\n");
 	printf("\nAvailable commands:\n");
@@ -62,6 +64,7 @@ int main(int argc, char *argv[])
 		{"help", 0, NULL, 'h'},
 		{"file", 1, NULL, 'f'},
 		{"force", 0, NULL, 'F'},
+		{"pedantic", 0, NULL, 'P'},
 		{"debug", 0, NULL, 'd'},
 		{"version", 0, NULL, 'v'},
 		{NULL, 0, NULL, 0},
@@ -84,6 +87,9 @@ int main(int argc, char *argv[])
 			break;
 		case 'F':
 			force_restore = 1;
+			break;
+		case 'P':
+			force_restore = 0;
 			break;
 		case 'd':
 			debugflag = 1;
diff -r 3b8e4ee4363e alsactl/state.c
--- a/alsactl/state.c	Mon Oct 15 10:36:47 2007 +0200
+++ b/alsactl/state.c	Fri Dec 14 15:35:34 2007 +0100
@@ -188,6 +188,46 @@ static unsigned int *str_to_tlv(const ch
 	return tlv;
 }
 
+/*
+ * add the TLV string and dB ranges to comment fields
+ */
+static int add_tlv_comments(snd_ctl_t *handle, snd_ctl_elem_id_t *id,
+			    snd_ctl_elem_info_t *info, snd_config_t *comment)
+{
+	unsigned int tlv[MAX_USER_TLV_SIZE];
+	unsigned int *db;
+	long dbmin, dbmax;
+	int err;
+
+	if (snd_ctl_elem_tlv_read(handle, id, tlv, sizeof(tlv)) < 0)
+		return 0; /* ignore error */
+
+	if (snd_ctl_elem_info_is_tlv_writable(info)) {
+		char *s = tlv_to_str(tlv);
+		if (s) {
+			err = snd_config_string_add(comment, "tlv", s);
+			if (err < 0) {
+				error("snd_config_string_add: %s", snd_strerror(err));
+				return err;
+			}
+			free(s);
+		}
+	}
+
+	err = snd_tlv_parse_dB_info(tlv, sizeof(tlv), &db);
+	if (err <= 0)
+		return 0;
+
+	snd_tlv_get_dB_range(db, snd_ctl_elem_info_get_min(info),
+			     snd_ctl_elem_info_get_max(info),
+			     &dbmin, &dbmax);
+	if (err < 0)
+		return err;
+	snd_config_integer_add(comment, "dbmin", dbmin);
+	snd_config_integer_add(comment, "dbmax", dbmax);
+	return 0;
+}
+
 static int get_control(snd_ctl_t *handle, snd_ctl_elem_id_t *id, snd_config_t *top)
 {
 	snd_ctl_elem_value_t *ctl;
@@ -285,23 +325,11 @@ static int get_control(snd_ctl_t *handle
 			error("snd_config_string_add: %s", snd_strerror(err));
 			return err;
 		}
-		if (snd_ctl_elem_info_is_tlv_readable(info) &&
-		    snd_ctl_elem_info_is_tlv_writable(info)) {
-			unsigned int tlv[MAX_USER_TLV_SIZE];
-			err = snd_ctl_elem_tlv_read(handle, id, tlv, sizeof(tlv));
-			if (err >= 0) {
-				char *s = tlv_to_str(tlv);
-				if (s) {
-					err = snd_config_string_add(comment, "tlv", s);
-					if (err < 0) {
-						error("snd_config_string_add: %s", snd_strerror(err));
-						return err;
-					}
-					free(s);
-				}
-			}
+		if (snd_ctl_elem_info_is_tlv_readable(info)) {
+			err = add_tlv_comments(handle, id, info, comment);
+			if (err < 0)
+				return err;
 		}
-		    
 		break;
 	}
 	case SND_CTL_ELEM_TYPE_INTEGER64:
@@ -651,6 +679,7 @@ static int config_bool(snd_config_t *n)
 	const char *str;
 	long val;
 	long long lval;
+
 	switch (snd_config_get_type(n)) {
 	case SND_CONFIG_TYPE_INTEGER:
 		snd_config_get_integer(n, &val);
@@ -665,6 +694,11 @@ static int config_bool(snd_config_t *n)
 	case SND_CONFIG_TYPE_STRING:
 		snd_config_get_string(n, &str);
 		break;
+	case SND_CONFIG_TYPE_COMPOUND:
+		if (!force_restore)
+			return -1;
+		n = snd_config_iterator_entry(snd_config_iterator_first(n));
+		return config_bool(n);
 	default:
 		return -1;
 	}
@@ -682,6 +716,7 @@ static int config_enumerated(snd_config_
 	long val;
 	long long lval;
 	unsigned int idx, items;
+
 	switch (snd_config_get_type(n)) {
 	case SND_CONFIG_TYPE_INTEGER:
 		snd_config_get_integer(n, &val);
@@ -692,6 +727,11 @@ static int config_enumerated(snd_config_
 	case SND_CONFIG_TYPE_STRING:
 		snd_config_get_string(n, &str);
 		break;
+	case SND_CONFIG_TYPE_COMPOUND:
+		if (!force_restore)
+			return -1;
+		n = snd_config_iterator_entry(snd_config_iterator_first(n));
+		return config_enumerated(n, handle, info);
 	default:
 		return -1;
 	}
@@ -708,6 +748,30 @@ static int config_enumerated(snd_config_
 			return idx;
 	}
 	return -1;
+}
+
+static int config_integer(snd_config_t *n, long *val)
+{
+	int err = snd_config_get_integer(n, val);
+	if (err < 0 && force_restore) {
+		if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND)
+			return err;
+		n = snd_config_iterator_entry(snd_config_iterator_first(n));
+		return config_integer(n, val);
+	}
+	return err;
+}
+
+static int config_integer64(snd_config_t *n, long long *val)
+{
+	int err = snd_config_get_integer64(n, val);
+	if (err < 0 && force_restore) {
+		if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND)
+			return err;
+		n = snd_config_iterator_entry(snd_config_iterator_first(n));
+		return config_integer64(n, val);
+	}
+	return err;
 }
 
 static int is_user_control(snd_config_t *conf)
@@ -729,6 +793,56 @@ static int is_user_control(snd_config_t 
 	return 0;
 }
 
+/*
+ * get the item type from the given comment config
+ */
+static int get_comment_type(snd_config_t *n)
+{
+	const char *type;
+
+	if (snd_config_get_string(n, &type) < 0)
+		return -EINVAL;
+	if (strcmp(type, "BOOLEAN") == 0)
+		return SND_CTL_ELEM_TYPE_BOOLEAN;
+	else if (strcmp(type, "INTEGER") == 0)
+		return SND_CTL_ELEM_TYPE_INTEGER;
+	else if (strcmp(type, "ENUMERATED") == 0)
+		return SND_CTL_ELEM_TYPE_ENUMERATED;
+	else if (strcmp(type, "INTEGER64") == 0)
+		return SND_CTL_ELEM_TYPE_INTEGER;
+	else if (strcmp(type, "IEC958") == 0)
+		return SND_CTL_ELEM_TYPE_IEC958;
+	else
+		return -EINVAL;
+}
+
+/*
+ * get the value range from the given comment config
+ */
+static int get_comment_range(snd_config_t *n, int ctype,
+			     long *imin, long *imax, long *istep)
+{
+	const char *s;
+	int err;
+
+	if (snd_config_get_string(n, &s) < 0)
+		return -EINVAL;
+	switch (ctype) {
+	case SND_CTL_ELEM_TYPE_INTEGER:
+		err = sscanf(s, "%li - %li (step %li)", imin, imax, istep);
+		if (err != 3) {
+			istep = 0;
+			err = sscanf(s, "%li - %li", imin, imax);
+			if (err != 2)
+				return -EINVAL;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
 static int add_user_control(snd_ctl_t *handle, snd_ctl_elem_info_t *info, snd_config_t *conf)
 {
 	snd_ctl_elem_id_t *id;
@@ -745,39 +859,20 @@ static int add_user_control(snd_ctl_t *h
 	tlv = NULL;
 	snd_config_for_each(i, next, conf) {
 		snd_config_t *n = snd_config_iterator_entry(i);
-		const char *id, *type;
+		const char *id;
 		if (snd_config_get_id(n, &id) < 0)
 			continue;
 		if (strcmp(id, "type") == 0) {
-			if ((err = snd_config_get_string(n, &type)) < 0)
-				return -EINVAL;
-			if (strcmp(type, "BOOLEAN") == 0)
-				ctype = SND_CTL_ELEM_TYPE_BOOLEAN;
-			else if (strcmp(type, "INTEGER") == 0)
-				ctype = SND_CTL_ELEM_TYPE_INTEGER;
-			else if (strcmp(type, "IEC958") == 0)
-				ctype = SND_CTL_ELEM_TYPE_IEC958;
-			else
-				return -EINVAL;
+			err = get_comment_type(n);
+			if (err < 0)
+				return err;
+			ctype = err;
 			continue;
 		}
 		if (strcmp(id, "range") == 0) {
-			const char *s;
-			if ((err = snd_config_get_string(n, &s)) < 0)
-				return -EINVAL;
-			switch (ctype) {
-			case SND_CTL_ELEM_TYPE_INTEGER:
-				err = sscanf(s, "%li - %li (step %li)", &imin, &imax, &istep);
-				if (err != 3) {
-					istep = 0;
-					err = sscanf(s, "%li - %li", &imin, &imax);
-					if (err != 2)
-						return -EINVAL;
-				}
-				break;
-			default:
-				return -EINVAL;
-			}
+			err = get_comment_range(n, ctype, &imin, &imax, &istep);
+			if (err < 0)
+				return err;
 			continue;
 		}
 		if (strcmp(id, "count") == 0) {
@@ -831,6 +926,213 @@ static int add_user_control(snd_ctl_t *h
 	return snd_ctl_elem_info(handle, info);
 }
 
+/*
+ * look for a config node with the given item name
+ */
+static snd_config_t *search_comment_item(snd_config_t *conf, const char *name)
+{
+	snd_config_iterator_t i, next;
+	snd_config_for_each(i, next, conf) {
+		snd_config_t *n = snd_config_iterator_entry(i);
+		const char *id;
+		if (snd_config_get_id(n, &id) < 0)
+			continue;
+		if (strcmp(id, name) == 0)
+			return n;
+	}
+	return NULL;
+}
+
+/*
+ * check whether the config item has the same of compatible type
+ */
+static int check_comment_type(snd_config_t *conf, int type)
+{
+	snd_config_t *n = search_comment_item(conf, "type");
+	int ctype;
+
+	if (!n)
+		return 0; /* not defined */
+	ctype = get_comment_type(n);
+	if (ctype == type)
+		return 0;
+	if ((ctype == SND_CTL_ELEM_TYPE_BOOLEAN ||
+	     ctype == SND_CTL_ELEM_TYPE_INTEGER ||
+	     ctype == SND_CTL_ELEM_TYPE_INTEGER64 ||
+	     ctype == SND_CTL_ELEM_TYPE_ENUMERATED) &&
+	    (type == SND_CTL_ELEM_TYPE_BOOLEAN ||
+	     type == SND_CTL_ELEM_TYPE_INTEGER ||
+	     type == SND_CTL_ELEM_TYPE_INTEGER64 ||
+	     type == SND_CTL_ELEM_TYPE_ENUMERATED))
+		return 0; /* OK, compatible */
+	return -EINVAL;
+}
+
+/*
+ * convert from an old value to a new value with the same dB level
+ */
+static int convert_to_new_db(snd_config_t *value, long omin, long omax,
+			     long nmin, long nmax,
+			     long odbmin, long odbmax,
+			     long ndbmin, long ndbmax)
+{
+	long val;
+	if (config_integer(value, &val) < 0)
+		return -EINVAL;
+	if (val < omin || val > omax)
+		return -EINVAL;
+	val = ((val - omin) * (odbmax - odbmin)) / (omax - omin) + odbmin;
+	if (val < ndbmin)
+		val = ndbmin;
+	else if (val > ndbmax)
+		val = ndbmax;
+	val = ((val - ndbmin) * (nmax - nmin)) / (ndbmax - ndbmin) + nmin;
+	return snd_config_set_integer(value, val);
+}
+
+/*
+ * compare the current value range with the old range in comments.
+ * also, if dB information is available, try to compare them.
+ * if any change occurs, try to keep the same dB level.
+ */
+static int check_comment_range(snd_ctl_t *handle, snd_config_t *conf,
+			       snd_ctl_elem_info_t *info, snd_config_t *value)
+{
+	snd_config_t *n;
+	long omin, omax, ostep;
+	long nmin, nmax;
+	long odbmin, odbmax;
+	long ndbmin, ndbmax;
+	snd_ctl_elem_id_t *id;
+
+	n = search_comment_item(conf, "range");
+	if (!n)
+		return 0;
+	if (get_comment_range(n, SND_CTL_ELEM_TYPE_INTEGER,
+			      &omin, &omax, &ostep) < 0)
+		return 0;
+	nmin = snd_ctl_elem_info_get_min(info);
+	nmax = snd_ctl_elem_info_get_max(info);
+	if (omin != nmin && omax != nmax) {
+		/* Hey, the range mismatches */
+		if (!force_restore)
+			return -EINVAL;
+	}
+	if (omin >= omax || nmin >= nmax)
+		return 0; /* invalid values */
+
+	n = search_comment_item(conf, "dbmin");
+	if (!n)
+		return 0;
+	if (config_integer(n, &odbmin) < 0)
+		return 0;
+	n = search_comment_item(conf, "dbmax");
+	if (!n)
+		return 0;
+	if (config_integer(n, &odbmax) < 0)
+		return 0;
+	if (odbmin >= odbmax)
+		return 0; /* invalid values */
+	snd_ctl_elem_id_alloca(&id);
+	snd_ctl_elem_info_get_id(info, id);
+	if (snd_ctl_get_dB_range(handle, id, &ndbmin, &ndbmax) < 0)
+		return 0;
+	if (ndbmin >= ndbmax)
+		return 0; /* invalid values */
+	if (omin == nmin && omax == nmax &&
+	    odbmin == ndbmin && odbmax == ndbmax)
+		return 0; /* OK, identical one */
+
+	/* Let's guess the current value from dB range */
+	if (snd_config_get_type(value) == SND_CONFIG_TYPE_COMPOUND) {
+		snd_config_iterator_t i, next;
+		snd_config_for_each(i, next, value) {
+			snd_config_t *n = snd_config_iterator_entry(i);
+			convert_to_new_db(n, omin, omax, nmin, nmax,
+					  odbmin, odbmax, ndbmin, ndbmax);
+		}
+	} else
+		convert_to_new_db(value, omin, omax, nmin, nmax,
+				  odbmin, odbmax, ndbmin, ndbmax);
+	return 0;
+}
+
+static int restore_config_value(snd_ctl_t *handle, snd_ctl_elem_info_t *info,
+				snd_ctl_elem_iface_t type,
+				snd_config_t *value,
+				snd_ctl_elem_value_t *ctl, int idx)
+{
+	long val;
+	long long lval;
+	int err;
+
+	switch (type) {
+	case SND_CTL_ELEM_TYPE_BOOLEAN:
+		val = config_bool(value);
+		if (val >= 0) {
+			snd_ctl_elem_value_set_boolean(ctl, idx, val);
+			return 1;
+		}
+		break;
+	case SND_CTL_ELEM_TYPE_INTEGER:
+		err = config_integer(value, &val);
+		if (err == 0) {
+			snd_ctl_elem_value_set_integer(ctl, idx, val);
+			return 1;
+		}
+		break;
+	case SND_CTL_ELEM_TYPE_INTEGER64:
+		err = config_integer64(value, &lval);
+		if (err == 0) {
+			snd_ctl_elem_value_set_integer64(ctl, idx, lval);
+			return 1;
+		}
+		break;
+	case SND_CTL_ELEM_TYPE_ENUMERATED:
+		val = config_enumerated(value, handle, info);
+		if (val >= 0) {
+			snd_ctl_elem_value_set_enumerated(ctl, idx, val);
+			return 1;
+		}
+		break;
+	case SND_CTL_ELEM_TYPE_BYTES:
+	case SND_CTL_ELEM_TYPE_IEC958:
+		break;
+	default:
+		error("Unknow control type: %d", type);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int restore_config_value2(snd_ctl_t *handle, snd_ctl_elem_info_t *info,
+				 snd_ctl_elem_iface_t type,
+				 snd_config_t *value,
+				 snd_ctl_elem_value_t *ctl, int idx,
+				 unsigned int numid)
+{
+	int err = restore_config_value(handle, info, type, value, ctl, idx);
+	long val;
+
+	if (err != 0)
+		return err;
+	switch (type) {
+	case SND_CTL_ELEM_TYPE_BYTES:
+	case SND_CTL_ELEM_TYPE_IEC958:
+		err = snd_config_get_integer(value, &val);
+		if (err < 0 || val < 0 || val > 255) {
+			error("bad control.%d.value.%d content", numid, idx);
+			return force_restore ? 0 : -EINVAL;
+		}
+		snd_ctl_elem_value_set_byte(ctl, idx, val);
+		return 1;
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
 static int set_control(snd_ctl_t *handle, snd_config_t *control)
 {
 	snd_ctl_elem_value_t *ctl;
@@ -852,8 +1154,6 @@ static int set_control(snd_ctl_t *handle
 	long index = -1;
 	snd_config_t *value = NULL;
 	snd_config_t *comment = NULL;
-	long val;
-	long long lval;
 	unsigned int idx;
 	int err;
 	char *set;
@@ -994,56 +1294,28 @@ static int set_control(snd_ctl_t *handle
 		return -ENOENT;
 	}
 
-#if 0
 	if (comment) {
-		check_comment_type(comment, type);
-		if (type == SND_CTL_ELEM_TYPE_INTEGER ||
-		    type == SND_CTL_ELEM_TYPE_INTEGER64)
-			check_comment_range(comment, info);
+		if (check_comment_type(comment, type) < 0)
+			error("incompatible field type for control #%d", numid);
+		if (type == SND_CTL_ELEM_TYPE_INTEGER) {
+			if (check_comment_range(handle, comment, info, value) < 0) {
+				error("value range mismatch for control #%d",
+				      numid);
+				return -EINVAL;
+			}
+		}
 	}
-#endif
 
 	if (!snd_ctl_elem_info_is_writable(info))
 		return 0;
 	snd_ctl_elem_value_set_numid(ctl, numid1);
 
 	if (count == 1) {
-		switch (type) {
-		case SND_CTL_ELEM_TYPE_BOOLEAN:
-			val = config_bool(value);
-			if (val >= 0) {
-				snd_ctl_elem_value_set_boolean(ctl, 0, val);
-				goto _ok;
-			}
-			break;
-		case SND_CTL_ELEM_TYPE_INTEGER:
-			err = snd_config_get_integer(value, &val);
-			if (err == 0) {
-				snd_ctl_elem_value_set_integer(ctl, 0, val);
-				goto _ok;
-			}
-			break;
-		case SND_CTL_ELEM_TYPE_INTEGER64:
-			err = snd_config_get_integer64(value, &lval);
-			if (err == 0) {
-				snd_ctl_elem_value_set_integer64(ctl, 0, lval);
-				goto _ok;
-			}
-			break;
-		case SND_CTL_ELEM_TYPE_ENUMERATED:
-			val = config_enumerated(value, handle, info);
-			if (val >= 0) {
-				snd_ctl_elem_value_set_enumerated(ctl, 0, val);
-				goto _ok;
-			}
-			break;
-		case SND_CTL_ELEM_TYPE_BYTES:
-		case SND_CTL_ELEM_TYPE_IEC958:
-			break;
-		default:
-			error("Unknow control type: %d", type);
-			return -EINVAL;
-		}
+		err = restore_config_value(handle, info, type, value, ctl, 0);
+		if (err < 0)
+			return err;
+		if (err > 0)
+			goto _ok;
 	}
 	switch (type) {
 	case SND_CTL_ELEM_TYPE_BYTES:
@@ -1080,8 +1352,17 @@ static int set_control(snd_ctl_t *handle
 		break;
 	}
 	if (snd_config_get_type(value) != SND_CONFIG_TYPE_COMPOUND) {
-		error("bad control.%d.value type", numid);
-		return -EINVAL;
+		if (!force_restore) {
+			error("bad control.%d.value type", numid);
+			return -EINVAL;
+		}
+		for (idx = 0; idx < count; ++idx) {
+			err = restore_config_value2(handle, info, type, value,
+						    ctl, idx, numid);
+			if (err < 0)
+				return err;
+		}
+		goto _ok;
 	}
 
 	set = (char*) alloca(count);
@@ -1095,59 +1376,22 @@ static int set_control(snd_ctl_t *handle
 		if (idx < 0 || idx >= count || 
 		    set[idx]) {
 			error("bad control.%d.value index", numid);
-			return -EINVAL;
+			if (!force_restore)
+				return -EINVAL;
+			continue;
 		}
-		switch (type) {
-		case SND_CTL_ELEM_TYPE_BOOLEAN:
-			val = config_bool(n);
-			if (val < 0) {
-				error("bad control.%d.value.%d content", numid, idx);
-				return -EINVAL;
-			}
-			snd_ctl_elem_value_set_boolean(ctl, idx, val);
-			break;
-		case SND_CTL_ELEM_TYPE_INTEGER:
-			err = snd_config_get_integer(n, &val);
-			if (err < 0) {
-				error("bad control.%d.value.%d content", numid, idx);
-				return -EINVAL;
-			}
-			snd_ctl_elem_value_set_integer(ctl, idx, val);
-			break;
-		case SND_CTL_ELEM_TYPE_INTEGER64:
-			err = snd_config_get_integer64(n, &lval);
-			if (err < 0) {
-				error("bad control.%d.value.%d content", numid, idx);
-				return -EINVAL;
-			}
-			snd_ctl_elem_value_set_integer64(ctl, idx, lval);
-			break;
-		case SND_CTL_ELEM_TYPE_ENUMERATED:
-			val = config_enumerated(n, handle, info);
-			if (val < 0) {
-				error("bad control.%d.value.%d content", numid, idx);
-				return -EINVAL;
-			}
-			snd_ctl_elem_value_set_enumerated(ctl, idx, val);
-			break;
-		case SND_CTL_ELEM_TYPE_BYTES:
-		case SND_CTL_ELEM_TYPE_IEC958:
-			err = snd_config_get_integer(n, &val);
-			if (err < 0 || val < 0 || val > 255) {
-				error("bad control.%d.value.%d content", numid, idx);
-				return -EINVAL;
-			}
-			snd_ctl_elem_value_set_byte(ctl, idx, val);
-			break;
-		default:
-			break;
-		}
-		set[idx] = 1;
+		err = restore_config_value2(handle, info, type, n,
+					    ctl, idx, numid);
+		if (err < 0)
+			return err;
+		if (err > 0)
+			set[idx] = 1;
 	}
 	for (idx = 0; idx < count; ++idx) {
 		if (!set[idx]) {
 			error("control.%d.value.%d is not specified", numid, idx);
-			return -EINVAL;
+			if (!force_restore)
+				return -EINVAL;
 		}
 	}
 
diff -r 3b8e4ee4363e aplay/aplay.c
--- a/aplay/aplay.c	Mon Oct 15 10:36:47 2007 +0200
+++ b/aplay/aplay.c	Fri Dec 14 15:35:34 2007 +0100
@@ -1462,7 +1462,9 @@ static void voc_pcm_flush(void)
 		if (pcm_write(audiobuf, b) != (ssize_t)b)
 			error(_("voc_pcm_flush error"));
 	}
+	snd_pcm_nonblock(handle, 0);
 	snd_pcm_drain(handle);
+	snd_pcm_nonblock(handle, nonblock);
 }
 
 static void voc_play(int fd, int ofs, char *name)
@@ -1988,7 +1990,9 @@ void playback_go(int fd, size_t loaded, 
 		written += r;
 		l = 0;
 	}
+	snd_pcm_nonblock(handle, 0);
 	snd_pcm_drain(handle);
+	snd_pcm_nonblock(handle, nonblock);
 }
 
 
@@ -2227,7 +2231,9 @@ void playbackv_go(int* fds, unsigned int
 		r = r * bits_per_frame / 8;
 		count -= r;
 	}
+	snd_pcm_nonblock(handle, 0);
 	snd_pcm_drain(handle);
+	snd_pcm_nonblock(handle, nonblock);
 }
 
 void capturev_go(int* fds, unsigned int channels, off64_t count, int rtype, char **names)
diff -r 3b8e4ee4363e configure.in
--- a/configure.in	Mon Oct 15 10:36:47 2007 +0200
+++ b/configure.in	Fri Dec 14 15:35:34 2007 +0100
@@ -27,7 +27,9 @@ dnl AC_PROG_CXX
 dnl AC_PROG_CXX
 AC_PROG_INSTALL
 AC_PROG_LN_S
-AM_PATH_ALSA(1.0.12)
+AM_PATH_ALSA(1.0.15)
+AC_CHECK_FUNC(snd_tlv_get_dB_range,,
+	AC_ERROR([No TLV support code in alsa-lib]))
 
 AC_ARG_ENABLE(alsamixer,
      [  --disable-alsamixer     Disable alsamixer compilation],
diff -r 3b8e4ee4363e iecset/iecset.c
--- a/iecset/iecset.c	Mon Oct 15 10:36:47 2007 +0200
+++ b/iecset/iecset.c	Fri Dec 14 15:35:34 2007 +0100
@@ -308,7 +308,7 @@ int main(int argc, char **argv)
 			break;
 		case 'c':
 			i = atoi(optarg);
-			if (i < 0 || i >= 7) {
+			if (i < 0 || i >= 32) {
 				fprintf(stderr, "invalid card index %d\n", i);
 				return 1;
 			}
diff -r 3b8e4ee4363e seq/aseqnet/aseqnet.c
--- a/seq/aseqnet/aseqnet.c	Mon Oct 15 10:36:47 2007 +0200
+++ b/seq/aseqnet/aseqnet.c	Fri Dec 14 15:35:34 2007 +0100
@@ -26,6 +26,7 @@
 #include <alsa/asoundlib.h>
 #include <getopt.h>
 #include <signal.h>
+#include <assert.h>
 #include "aconfig.h"
 #include "gettext.h"
 
diff -r 3b8e4ee4363e speaker-test/speaker-test.c
--- a/speaker-test/speaker-test.c	Mon Oct 15 10:36:47 2007 +0200
+++ b/speaker-test/speaker-test.c	Fri Dec 14 15:35:34 2007 +0100
@@ -276,28 +276,28 @@ static int set_hwparams(snd_pcm_t *handl
   /* choose all parameters */
   err = snd_pcm_hw_params_any(handle, params);
   if (err < 0) {
-    printf(_("Broken configuration for playback: no configurations available: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Broken configuration for playback: no configurations available: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* set the interleaved read/write format */
   err = snd_pcm_hw_params_set_access(handle, params, access);
   if (err < 0) {
-    printf(_("Access type not available for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Access type not available for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* set the sample format */
   err = snd_pcm_hw_params_set_format(handle, params, format);
   if (err < 0) {
-    printf(_("Sample format not available for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Sample format not available for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* set the count of channels */
   err = snd_pcm_hw_params_set_channels(handle, params, channels);
   if (err < 0) {
-    printf(_("Channels count (%i) not available for playbacks: %s\n"), channels, snd_strerror(err));
+    fprintf(stderr, _("Channels count (%i) not available for playbacks: %s\n"), channels, snd_strerror(err));
     return err;
   }
 
@@ -305,12 +305,12 @@ static int set_hwparams(snd_pcm_t *handl
   rrate = rate;
   err = snd_pcm_hw_params_set_rate(handle, params, rate, 0);
   if (err < 0) {
-    printf(_("Rate %iHz not available for playback: %s\n"), rate, snd_strerror(err));
+    fprintf(stderr, _("Rate %iHz not available for playback: %s\n"), rate, snd_strerror(err));
     return err;
   }
 
   if (rrate != rate) {
-    printf(_("Rate doesn't match (requested %iHz, get %iHz, err %d)\n"), rate, rrate, err);
+    fprintf(stderr, _("Rate doesn't match (requested %iHz, get %iHz, err %d)\n"), rate, rrate, err);
     return -EINVAL;
   }
 
@@ -326,7 +326,7 @@ static int set_hwparams(snd_pcm_t *handl
     printf(_("Requested period time %u us\n"), period_time);
     err = snd_pcm_hw_params_set_period_time_near(handle, params, &period_time, NULL);
     if (err < 0) {
-      printf(_("Unable to set period time %u us for playback: %s\n"),
+      fprintf(stderr, _("Unable to set period time %u us for playback: %s\n"),
 	     period_time, snd_strerror(err));
       return err;
     }
@@ -335,7 +335,7 @@ static int set_hwparams(snd_pcm_t *handl
     printf(_("Requested buffer time %u us\n"), buffer_time);
     err = snd_pcm_hw_params_set_buffer_time_near(handle, params, &buffer_time, NULL);
     if (err < 0) {
-      printf(_("Unable to set buffer time %u us for playback: %s\n"),
+      fprintf(stderr, _("Unable to set buffer time %u us for playback: %s\n"),
 	     buffer_time, snd_strerror(err));
       return err;
     }
@@ -347,7 +347,7 @@ static int set_hwparams(snd_pcm_t *handl
     printf(_("Using max buffer size %lu\n"), buffer_size);
     err = snd_pcm_hw_params_set_buffer_size_near(handle, params, &buffer_size);
     if (err < 0) {
-      printf(_("Unable to set buffer size %lu for playback: %s\n"),
+      fprintf(stderr, _("Unable to set buffer size %lu for playback: %s\n"),
 	     buffer_size, snd_strerror(err));
       return err;
     }
@@ -356,7 +356,7 @@ static int set_hwparams(snd_pcm_t *handl
     printf(_("Periods = %u\n"), nperiods);
     err = snd_pcm_hw_params_set_periods_near(handle, params, &nperiods, NULL);
     if (err < 0) {
-      printf(_("Unable to set nperiods %u for playback: %s\n"),
+      fprintf(stderr, _("Unable to set nperiods %u for playback: %s\n"),
 	     nperiods, snd_strerror(err));
       return err;
     }
@@ -366,14 +366,14 @@ static int set_hwparams(snd_pcm_t *handl
   printf(_("was set period_size = %lu\n"),period_size);
   printf(_("was set buffer_size = %lu\n"),buffer_size);
   if (2*period_size > buffer_size) {
-    printf(_("buffer to small, could not use\n"));
-    return err;
+    fprintf(stderr, _("buffer to small, could not use\n"));
+    return -EINVAL;
   }
 
   /* write the parameters to device */
   err = snd_pcm_hw_params(handle, params);
   if (err < 0) {
-    printf(_("Unable to set hw params for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Unable to set hw params for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
@@ -386,35 +386,35 @@ static int set_swparams(snd_pcm_t *handl
   /* get the current swparams */
   err = snd_pcm_sw_params_current(handle, swparams);
   if (err < 0) {
-    printf(_("Unable to determine current swparams for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Unable to determine current swparams for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* start the transfer when a buffer is full */
   err = snd_pcm_sw_params_set_start_threshold(handle, swparams, buffer_size);
   if (err < 0) {
-    printf(_("Unable to set start threshold mode for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Unable to set start threshold mode for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* allow the transfer when at least period_size frames can be processed */
   err = snd_pcm_sw_params_set_avail_min(handle, swparams, period_size);
   if (err < 0) {
-    printf(_("Unable to set avail min for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Unable to set avail min for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* align all transfers to 1 sample */
   err = snd_pcm_sw_params_set_xfer_align(handle, swparams, 1);
   if (err < 0) {
-    printf(_("Unable to set transfer align for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Unable to set transfer align for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
   /* write the parameters to the playback device */
   err = snd_pcm_sw_params(handle, swparams);
   if (err < 0) {
-    printf(_("Unable to set sw params for playback: %s\n"), snd_strerror(err));
+    fprintf(stderr, _("Unable to set sw params for playback: %s\n"), snd_strerror(err));
     return err;
   }
 
@@ -429,7 +429,7 @@ static int xrun_recovery(snd_pcm_t *hand
   if (err == -EPIPE) {	/* under-run */
     err = snd_pcm_prepare(handle);
     if (err < 0)
-      printf(_("Can't recovery from underrun, prepare failed: %s\n"), snd_strerror(err));
+      fprintf(stderr, _("Can't recovery from underrun, prepare failed: %s\n"), snd_strerror(err));
     return 0;
   } 
   else if (err == -ESTRPIPE) {
@@ -440,7 +440,7 @@ static int xrun_recovery(snd_pcm_t *hand
     if (err < 0) {
       err = snd_pcm_prepare(handle);
       if (err < 0)
-        printf(_("Can't recovery from suspend, prepare failed: %s\n"), snd_strerror(err));
+        fprintf(stderr, _("Can't recovery from suspend, prepare failed: %s\n"), snd_strerror(err));
     }
 
     return 0;
@@ -648,9 +648,9 @@ static int write_buffer(snd_pcm_t *handl
       continue;
 
     if (err < 0) {
-      printf(_("Write error: %d,%s\n"), err, snd_strerror(err));
+      fprintf(stderr, _("Write error: %d,%s\n"), err, snd_strerror(err));
       if (xrun_recovery(handle, err) < 0) {
-	printf(_("xrun_recovery failed: %d,%s\n"), err, snd_strerror(err));
+	fprintf(stderr, _("xrun_recovery failed: %d,%s\n"), err, snd_strerror(err));
 	return -1;
       }
       break;	/* skip one period */
@@ -683,6 +683,9 @@ static int write_loop(snd_pcm_t *handle,
     return err;
   }
     
+
+  if (periods <= 0)
+    periods = 1;
 
   for(n = 0; n < periods; n++) {
     if (test_type == TEST_PINK_NOISE)
@@ -847,7 +850,7 @@ int main(int argc, char *argv[]) {
       speaker = speaker < 1 ? 0 : speaker;
       speaker = speaker > channels ? 0 : speaker;
       if (speaker==0) {
-        printf(_("Invalid parameter for -s option.\n"));
+        fprintf(stderr, _("Invalid parameter for -s option.\n"));
         exit(EXIT_FAILURE);
       }  
       break;
@@ -858,7 +861,7 @@ int main(int argc, char *argv[]) {
       wav_file_dir = optarg;
       break;
     default:
-      printf(_("Unknown option '%c'\n"), c);
+      fprintf(stderr, _("Unknown option '%c'\n"), c);
       exit(EXIT_FAILURE);
       break;
     }
@@ -908,7 +911,7 @@ int main(int argc, char *argv[]) {
     initialize_pink_noise(&pink, 16);
   
   if (frames == NULL) {
-    printf(_("No enough memory\n"));
+    fprintf(stderr, _("No enough memory\n"));
     exit(EXIT_FAILURE);
   }
   if (speaker==0) {
@@ -939,7 +942,7 @@ int main(int argc, char *argv[]) {
         err = write_loop(handle, channel, ((rate*3)/period_size), frames);
 
         if (err < 0) {
-          printf(_("Transfer failed: %s\n"), snd_strerror(err));
+          fprintf(stderr, _("Transfer failed: %s\n"), snd_strerror(err));
           free(frames);
           snd_pcm_close(handle);
           exit(EXIT_SUCCESS);
@@ -961,7 +964,7 @@ int main(int argc, char *argv[]) {
     err = write_loop(handle, speaker-1, ((rate*5)/period_size), frames);
 
     if (err < 0) {
-      printf(_("Transfer failed: %s\n"), snd_strerror(err));
+      fprintf(stderr, _("Transfer failed: %s\n"), snd_strerror(err));
     }
   }