diff options
Diffstat (limited to 'sound/usb/stream.c')
| -rw-r--r-- | sound/usb/stream.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 6a8f5843334e..5ed334575fc7 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -349,7 +349,7 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor * TODO: this conversion is not complete, update it * after adding UAC3 values to asound.h */ - switch (is->bChPurpose) { + switch (is->bChRelationship) { case UAC3_CH_MONO: map = SNDRV_CHMAP_MONO; break; @@ -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; |
