5 files changed, 20 insertions, 3 deletions

diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index a848836a5de0..507fd5210c1c 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -396,8 +396,7 @@ static int snd_ctl_elem_add_compat(struct snd_ctl_file *file,
         if (copy_from_user(&data->id, &data32->id, sizeof(data->id)) ||
             copy_from_user(&data->type, &data32->type, 3 * sizeof(u32)))
                 goto error;
-        if (get_user(data->owner, &data32->owner) ||
-            get_user(data->type, &data32->type))
+        if (get_user(data->owner, &data32->owner))
                 goto error;
         switch (data->type) {
         case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index b0c8c79848a9..a0c93b9c9a28 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2210,6 +2210,8 @@ static struct snd_pci_quirk power_save_blacklist[] = {
         SND_PCI_QUIRK(0x1849, 0x0c0c, "Asrock B85M-ITX", 0),
         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
         SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0),
+        /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */
+        SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0),
         /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */
         SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0),
         {}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2dd34dd77447..01a6643fc7d4 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2363,6 +2363,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
         SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3),
         SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX),
         SND_PCI_QUIRK(0x1558, 0x9501, "Clevo P950HR", ALC1220_FIXUP_CLEVO_P950),
+        SND_PCI_QUIRK(0x1558, 0x95e2, "Clevo P950ER", ALC1220_FIXUP_CLEVO_P950),
         SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD),
         SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD),
         SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Y530", ALC882_FIXUP_LENOVO_Y530),
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 344d7b069d59..bb5ab7a7dfa5 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -967,6 +967,14 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
                 }
                 break;
 
+        case USB_ID(0x0d8c, 0x0103):
+                if (!strcmp(kctl->id.name, "PCM Playback Volume")) {
+                        usb_audio_info(chip,
+                                 "set volume quirk for CM102-A+/102S+\n");
+                        cval->min = -256;
+                }
+                break;
+
         case USB_ID(0x0471, 0x0101):
         case USB_ID(0x0471, 0x0104):
         case USB_ID(0x0471, 0x0105):
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 956be9f7c72a..5ed334575fc7 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -576,7 +576,7 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
 
         if (protocol == UAC_VERSION_1) {
                 attributes = csep->bmAttributes;
-        } else {
+        } else if (protocol == UAC_VERSION_2) {
                 struct uac2_iso_endpoint_descriptor *csep2 =
                         (struct uac2_iso_endpoint_descriptor *) csep;
 
@@ -585,6 +585,13 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
                 /* emulate the endpoint attributes of a v1 device */
                 if (csep2->bmControls & UAC2_CONTROL_PITCH)
                         attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
+        } else { /* UAC_VERSION_3 */
+                struct uac3_iso_endpoint_descriptor *csep3 =
+                        (struct uac3_iso_endpoint_descriptor *) csep;
+
+                /* emulate the endpoint attributes of a v1 device */
+                if (le32_to_cpu(csep3->bmControls) & UAC2_CONTROL_PITCH)
+                        attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
         }
 
         return attributes;