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-rw-r--r--sound/usb/mixer.c80
-rw-r--r--sound/usb/mixer.h2
-rw-r--r--sound/usb/pcm.c32
3 files changed, 87 insertions, 27 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6b3acba5da7a..c50790cb3f4d 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -282,6 +282,21 @@ static int get_abs_value(struct usb_mixer_elem_info *cval, int val)
return val;
}
+static int uac2_ctl_value_size(int val_type)
+{
+ switch (val_type) {
+ case USB_MIXER_S32:
+ case USB_MIXER_U32:
+ return 4;
+ case USB_MIXER_S16:
+ case USB_MIXER_U16:
+ return 2;
+ default:
+ return 1;
+ }
+ return 0; /* unreachable */
+}
+
/*
* retrieve a mixer value
@@ -328,14 +343,14 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request,
int validx, int *value_ret)
{
struct snd_usb_audio *chip = cval->head.mixer->chip;
- unsigned char buf[2 + 3 * sizeof(__u16)]; /* enough space for one range */
+ unsigned char buf[4 + 3 * sizeof(__u32)]; /* enough space for one range */
unsigned char *val;
int idx = 0, ret, size;
__u8 bRequest;
if (request == UAC_GET_CUR) {
bRequest = UAC2_CS_CUR;
- size = sizeof(__u16);
+ size = uac2_ctl_value_size(cval->val_type);
} else {
bRequest = UAC2_CS_RANGE;
size = sizeof(buf);
@@ -446,7 +461,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
int request, int validx, int value_set)
{
struct snd_usb_audio *chip = cval->head.mixer->chip;
- unsigned char buf[2];
+ unsigned char buf[4];
int idx = 0, val_len, err, timeout = 10;
validx += cval->idx_off;
@@ -454,8 +469,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
if (cval->head.mixer->protocol == UAC_VERSION_1) {
val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
} else { /* UAC_VERSION_2 */
- /* audio class v2 controls are always 2 bytes in size */
- val_len = sizeof(__u16);
+ val_len = uac2_ctl_value_size(cval->val_type);
/* FIXME */
if (request != UAC_SET_CUR) {
@@ -469,6 +483,8 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
value_set = convert_bytes_value(cval, value_set);
buf[0] = value_set & 0xff;
buf[1] = (value_set >> 8) & 0xff;
+ buf[2] = (value_set >> 16) & 0xff;
+ buf[3] = (value_set >> 24) & 0xff;
err = snd_usb_autoresume(chip);
if (err < 0)
return -EIO;
@@ -715,15 +731,21 @@ static int check_input_term(struct mixer_build *state, int id,
term->name = d->iTerminal;
} else { /* UAC_VERSION_2 */
struct uac2_input_terminal_descriptor *d = p1;
- term->type = le16_to_cpu(d->wTerminalType);
- term->channels = d->bNrChannels;
- term->chconfig = le32_to_cpu(d->bmChannelConfig);
- term->name = d->iTerminal;
- /* call recursively to get the clock selectors */
+ /* call recursively to verify that the
+ * referenced clock entity is valid */
err = check_input_term(state, d->bCSourceID, term);
if (err < 0)
return err;
+
+ /* save input term properties after recursion,
+ * to ensure they are not overriden by the
+ * recursion calls */
+ term->id = id;
+ term->type = le16_to_cpu(d->wTerminalType);
+ term->channels = d->bNrChannels;
+ term->chconfig = le32_to_cpu(d->bmChannelConfig);
+ term->name = d->iTerminal;
}
return 0;
case UAC_FEATURE_UNIT: {
@@ -798,24 +820,25 @@ static int check_input_term(struct mixer_build *state, int id,
/* feature unit control information */
struct usb_feature_control_info {
const char *name;
- unsigned int type; /* control type (mute, volume, etc.) */
+ int type; /* data type for uac1 */
+ int type_uac2; /* data type for uac2 if different from uac1, else -1 */
};
static struct usb_feature_control_info audio_feature_info[] = {
- { "Mute", USB_MIXER_INV_BOOLEAN },
- { "Volume", USB_MIXER_S16 },
- { "Tone Control - Bass", USB_MIXER_S8 },
- { "Tone Control - Mid", USB_MIXER_S8 },
- { "Tone Control - Treble", USB_MIXER_S8 },
- { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */
- { "Auto Gain Control", USB_MIXER_BOOLEAN },
- { "Delay Control", USB_MIXER_U16 }, /* FIXME: U32 in UAC2 */
- { "Bass Boost", USB_MIXER_BOOLEAN },
- { "Loudness", USB_MIXER_BOOLEAN },
+ { "Mute", USB_MIXER_INV_BOOLEAN, -1 },
+ { "Volume", USB_MIXER_S16, -1 },
+ { "Tone Control - Bass", USB_MIXER_S8, -1 },
+ { "Tone Control - Mid", USB_MIXER_S8, -1 },
+ { "Tone Control - Treble", USB_MIXER_S8, -1 },
+ { "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemeted yet */
+ { "Auto Gain Control", USB_MIXER_BOOLEAN, -1 },
+ { "Delay Control", USB_MIXER_U16, USB_MIXER_U32 },
+ { "Bass Boost", USB_MIXER_BOOLEAN, -1 },
+ { "Loudness", USB_MIXER_BOOLEAN, -1 },
/* UAC2 specific */
- { "Input Gain Control", USB_MIXER_S16 },
- { "Input Gain Pad Control", USB_MIXER_S16 },
- { "Phase Inverter Control", USB_MIXER_BOOLEAN },
+ { "Input Gain Control", USB_MIXER_S16, -1 },
+ { "Input Gain Pad Control", USB_MIXER_S16, -1 },
+ { "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 },
};
/* private_free callback */
@@ -1215,6 +1238,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
int readonly_mask)
{
struct uac_feature_unit_descriptor *desc = raw_desc;
+ struct usb_feature_control_info *ctl_info;
unsigned int len = 0;
int mapped_name = 0;
int nameid = uac_feature_unit_iFeature(desc);
@@ -1240,7 +1264,13 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);
cval->control = control;
cval->cmask = ctl_mask;
- cval->val_type = audio_feature_info[control-1].type;
+ ctl_info = &audio_feature_info[control-1];
+ if (state->mixer->protocol == UAC_VERSION_1)
+ cval->val_type = ctl_info->type;
+ else /* UAC_VERSION_2 */
+ cval->val_type = ctl_info->type_uac2 >= 0 ?
+ ctl_info->type_uac2 : ctl_info->type;
+
if (ctl_mask == 0) {
cval->channels = 1; /* master channel */
cval->master_readonly = readonly_mask;
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index d3268f0ee2b3..3417ef347e40 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -33,6 +33,8 @@ enum {
USB_MIXER_U8,
USB_MIXER_S16,
USB_MIXER_U16,
+ USB_MIXER_S32,
+ USB_MIXER_U32,
};
typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index b4ef410e5a98..30797269d5aa 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -391,6 +391,20 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
*/
attr = fmt->ep_attr & USB_ENDPOINT_SYNCTYPE;
+ if ((is_playback && (attr != USB_ENDPOINT_SYNC_ASYNC)) ||
+ (!is_playback && (attr != USB_ENDPOINT_SYNC_ADAPTIVE))) {
+
+ /*
+ * In these modes the notion of sync_endpoint is irrelevant.
+ * Reset pointers to avoid using stale data from previously
+ * used settings, e.g. when configuration and endpoints were
+ * changed
+ */
+
+ subs->sync_endpoint = NULL;
+ subs->data_endpoint->sync_master = NULL;
+ }
+
err = set_sync_ep_implicit_fb_quirk(subs, dev, altsd, attr);
if (err < 0)
return err;
@@ -398,10 +412,17 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
if (altsd->bNumEndpoints < 2)
return 0;
- if ((is_playback && attr != USB_ENDPOINT_SYNC_ASYNC) ||
+ if ((is_playback && (attr == USB_ENDPOINT_SYNC_SYNC ||
+ attr == USB_ENDPOINT_SYNC_ADAPTIVE)) ||
(!is_playback && attr != USB_ENDPOINT_SYNC_ADAPTIVE))
return 0;
+ /*
+ * In case of illegal SYNC_NONE for OUT endpoint, we keep going to see
+ * if we don't find a sync endpoint, as on M-Audio Transit. In case of
+ * error fall back to SYNC mode and don't create sync endpoint
+ */
+
/* check sync-pipe endpoint */
/* ... and check descriptor size before accessing bSynchAddress
because there is a version of the SB Audigy 2 NX firmware lacking
@@ -415,6 +436,8 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
get_endpoint(alts, 1)->bmAttributes,
get_endpoint(alts, 1)->bLength,
get_endpoint(alts, 1)->bSynchAddress);
+ if (is_playback && attr == USB_ENDPOINT_SYNC_NONE)
+ return 0;
return -EINVAL;
}
ep = get_endpoint(alts, 1)->bEndpointAddress;
@@ -425,6 +448,8 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
"%d:%d : invalid sync pipe. is_playback %d, ep %02x, bSynchAddress %02x\n",
fmt->iface, fmt->altsetting,
is_playback, ep, get_endpoint(alts, 0)->bSynchAddress);
+ if (is_playback && attr == USB_ENDPOINT_SYNC_NONE)
+ return 0;
return -EINVAL;
}
@@ -436,8 +461,11 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
implicit_fb ?
SND_USB_ENDPOINT_TYPE_DATA :
SND_USB_ENDPOINT_TYPE_SYNC);
- if (!subs->sync_endpoint)
+ if (!subs->sync_endpoint) {
+ if (is_playback && attr == USB_ENDPOINT_SYNC_NONE)
+ return 0;
return -EINVAL;
+ }
subs->data_endpoint->sync_master = subs->sync_endpoint;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-16 22:48:44 +0300