diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index ddfcc44970fac236b44c0088d53adb059a16d227..65ea6429f3a7fe5f47190847a522749466574c68 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -107,6 +107,8 @@ int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,
 		  unsigned int verb, unsigned int parm, unsigned int *res);
 int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,
 			unsigned int *res);
+int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,
+				int parm);
 int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,
 			     hda_nid_t *conn_list, int max_conns);
 int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index ba9c1fc6e3ea1b1d1864c56cf4e24845fb3a8026..0dac746df7da9c8415d394641c441aa3ed0f145b 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -249,6 +249,29 @@ int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,
 }
 EXPORT_SYMBOL_GPL(_snd_hdac_read_parm);
 
+/**
+ * snd_hdac_read_parm_uncached - read a codec parameter without caching
+ * @codec: the codec object
+ * @nid: NID to read a parameter
+ * @parm: parameter to read
+ *
+ * Returns -1 for error.  If you need to distinguish the error more
+ * strictly, use snd_hdac_read() directly.
+ */
+int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,
+				int parm)
+{
+	int val;
+
+	if (codec->regmap)
+		regcache_cache_bypass(codec->regmap, true);
+	val = snd_hdac_read_parm(codec, nid, parm);
+	if (codec->regmap)
+		regcache_cache_bypass(codec->regmap, false);
+	return val;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_read_parm_uncached);
+
 /**
  * snd_hdac_get_sub_nodes - get start NID and number of subtree nodes
  * @codec: the codec object
@@ -256,13 +279,14 @@ EXPORT_SYMBOL_GPL(_snd_hdac_read_parm);
  * @start_id: the pointer to store the starting NID
  *
  * Returns the number of subtree nodes or zero if not found.
+ * This function reads parameters always without caching.
  */
 int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,
 			   hda_nid_t *start_id)
 {
 	unsigned int parm;
 
-	parm = snd_hdac_read_parm(codec, nid, AC_PAR_NODE_COUNT);
+	parm = snd_hdac_read_parm_uncached(codec, nid, AC_PAR_NODE_COUNT);
 	if (parm == -1) {
 		*start_id = 0;
 		return 0;
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 8eb42f4226ff382c662726ca8dfeb9300869e007..39b5660653f0f48ab161313fd4f798d0f67a7b7a 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -586,8 +586,8 @@ static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 		return -ENOMEM;
 	nid = codec->core.start_nid;
 	for (i = 0; i < codec->core.num_nodes; i++, nid++)
-		codec->wcaps[i] = snd_hda_param_read(codec, nid,
-						     AC_PAR_AUDIO_WIDGET_CAP);
+		codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
+					nid, AC_PAR_AUDIO_WIDGET_CAP);
 	return 0;
 }
 
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index a4f5a30f1d41f20895d47ce52461f9327de5c3e3..ee6230767c641dfc67d7cc86ae2999e0fabf180c 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -32,6 +32,10 @@ static int dump_coef = -1;
 module_param(dump_coef, int, 0644);
 MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
 
+/* always use noncached version */
+#define param_read(codec, nid, parm) \
+	snd_hdac_read_parm_uncached(&(codec)->core, nid, parm)
+
 static char *bits_names(unsigned int bits, char *names[], int size)
 {
 	int i, n;
@@ -119,9 +123,8 @@ static void print_amp_caps(struct snd_info_buffer *buffer,
 			   struct hda_codec *codec, hda_nid_t nid, int dir)
 {
 	unsigned int caps;
-	caps = snd_hda_param_read(codec, nid,
-				  dir == HDA_OUTPUT ?
-				    AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
+	caps = param_read(codec, nid, dir == HDA_OUTPUT ?
+			  AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 	if (caps == -1 || caps == 0) {
 		snd_iprintf(buffer, "N/A\n");
 		return;
@@ -225,8 +228,8 @@ static void print_pcm_formats(struct snd_info_buffer *buffer,
 static void print_pcm_caps(struct snd_info_buffer *buffer,
 			   struct hda_codec *codec, hda_nid_t nid)
 {
-	unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
-	unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
+	unsigned int pcm = param_read(codec, nid, AC_PAR_PCM);
+	unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
 	if (pcm == -1 || stream == -1) {
 		snd_iprintf(buffer, "N/A\n");
 		return;
@@ -273,7 +276,7 @@ static void print_pin_caps(struct snd_info_buffer *buffer,
 	static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 	unsigned int caps, val;
 
-	caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+	caps = param_read(codec, nid, AC_PAR_PIN_CAP);
 	snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 	if (caps & AC_PINCAP_IN)
 		snd_iprintf(buffer, " IN");
@@ -401,8 +404,7 @@ static void print_pin_ctls(struct snd_info_buffer *buffer,
 static void print_vol_knob(struct snd_info_buffer *buffer,
 			   struct hda_codec *codec, hda_nid_t nid)
 {
-	unsigned int cap = snd_hda_param_read(codec, nid,
-					      AC_PAR_VOL_KNB_CAP);
+	unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
 	snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 		    (cap >> 7) & 1, cap & 0x7f);
 	cap = snd_hda_codec_read(codec, nid, 0,
@@ -487,7 +489,7 @@ static void print_power_state(struct snd_info_buffer *buffer,
 		[ilog2(AC_PWRST_EPSS)]		= "EPSS",
 	};
 
-	int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
+	int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
 	int pwr = snd_hda_codec_read(codec, nid, 0,
 				     AC_VERB_GET_POWER_STATE, 0);
 	if (sup != -1)
@@ -531,8 +533,7 @@ static void print_proc_caps(struct snd_info_buffer *buffer,
 			    struct hda_codec *codec, hda_nid_t nid)
 {
 	unsigned int i, ncoeff, oldindex;
-	unsigned int proc_caps = snd_hda_param_read(codec, nid,
-						    AC_PAR_PROC_CAP);
+	unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
 	ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
 	snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 		    proc_caps & AC_PCAP_BENIGN, ncoeff);
@@ -597,7 +598,7 @@ static void print_gpio(struct snd_info_buffer *buffer,
 		       struct hda_codec *codec, hda_nid_t nid)
 {
 	unsigned int gpio =
-		snd_hda_param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
+		param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
 	unsigned int enable, direction, wake, unsol, sticky, data;
 	int i, max;
 	snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
@@ -727,8 +728,7 @@ static void print_codec_info(struct snd_info_entry *entry,
 
 	for (i = 0; i < nodes; i++, nid++) {
 		unsigned int wid_caps =
-			snd_hda_param_read(codec, nid,
-					   AC_PAR_AUDIO_WIDGET_CAP);
+			param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
 		unsigned int wid_type = get_wcaps_type(wid_caps);
 		hda_nid_t *conn = NULL;
 		int conn_len = 0;