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Diffstat (limited to 'sound/usb/quirks.c')
-rw-r--r--sound/usb/quirks.c63
1 files changed, 40 insertions, 23 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index c458d60..6178bb5 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -150,6 +150,7 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
usb_audio_err(chip, "cannot memdup\n");
return -ENOMEM;
}
+ INIT_LIST_HEAD(&fp->list);
if (fp->nr_rates > MAX_NR_RATES) {
kfree(fp);
return -EINVAL;
@@ -167,19 +168,20 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
stream = (fp->endpoint & USB_DIR_IN)
? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
err = snd_usb_add_audio_stream(chip, stream, fp);
- if (err < 0) {
- kfree(fp);
- kfree(rate_table);
- return err;
- }
+ if (err < 0)
+ goto error;
if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
fp->altset_idx >= iface->num_altsetting) {
- kfree(fp);
- kfree(rate_table);
- return -EINVAL;
+ err = -EINVAL;
+ goto error;
}
alts = &iface->altsetting[fp->altset_idx];
altsd = get_iface_desc(alts);
+ if (altsd->bNumEndpoints < 1) {
+ err = -EINVAL;
+ goto error;
+ }
+
fp->protocol = altsd->bInterfaceProtocol;
if (fp->datainterval == 0)
@@ -190,6 +192,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
snd_usb_init_pitch(chip, fp->iface, alts, fp);
snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
return 0;
+
+ error:
+ list_del(&fp->list); /* unlink for avoiding double-free */
+ kfree(fp);
+ kfree(rate_table);
+ return err;
}
static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
@@ -446,8 +454,9 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
const struct snd_usb_audio_quirk *quirk =
chip->usb_id == USB_ID(0x0582, 0x002b)
? &ua700_quirk : &uaxx_quirk;
- return snd_usbmidi_create(chip->card, iface,
- &chip->midi_list, quirk);
+ return __snd_usbmidi_create(chip->card, iface,
+ &chip->midi_list, quirk,
+ chip->usb_id);
}
if (altsd->bNumEndpoints != 1)
@@ -462,6 +471,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
fp->datainterval = 0;
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+ INIT_LIST_HEAD(&fp->list);
switch (fp->maxpacksize) {
case 0x120:
@@ -485,6 +495,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
err = snd_usb_add_audio_stream(chip, stream, fp);
if (err < 0) {
+ list_del(&fp->list); /* unlink for avoiding double-free */
kfree(fp);
return err;
}
@@ -974,11 +985,9 @@ int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
int snd_usb_apply_boot_quirk(struct usb_device *dev,
struct usb_interface *intf,
- const struct snd_usb_audio_quirk *quirk)
+ const struct snd_usb_audio_quirk *quirk,
+ unsigned int id)
{
- u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
-
switch (id) {
case USB_ID(0x041e, 0x3000):
/* SB Extigy needs special boot-up sequence */
@@ -1121,6 +1130,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
switch (chip->usb_id) {
case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
+ case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
@@ -1184,7 +1194,7 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
* "Playback Design" products send bogus feedback data at the start
* of the stream. Ignore them.
*/
- if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) &&
+ if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
ep->skip_packets = 4;
@@ -1203,11 +1213,15 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
void snd_usb_set_interface_quirk(struct usb_device *dev)
{
+ struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
+
+ if (!chip)
+ return;
/*
* "Playback Design" products need a 50ms delay after setting the
* USB interface.
*/
- switch (le16_to_cpu(dev->descriptor.idVendor)) {
+ switch (USB_ID_VENDOR(chip->usb_id)) {
case 0x23ba: /* Playback Design */
case 0x0644: /* TEAC Corp. */
mdelay(50);
@@ -1215,15 +1229,20 @@ void snd_usb_set_interface_quirk(struct usb_device *dev)
}
}
+/* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
__u8 request, __u8 requesttype, __u16 value,
__u16 index, void *data, __u16 size)
{
+ struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
+
+ if (!chip)
+ return;
/*
* "Playback Design" products need a 20ms delay after each
* class compliant request
*/
- if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) &&
+ if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
@@ -1231,23 +1250,21 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
* "TEAC Corp." products need a 20ms delay after each
* class compliant request
*/
- if ((le16_to_cpu(dev->descriptor.idVendor) == 0x0644) &&
+ if (USB_ID_VENDOR(chip->usb_id) == 0x0644 &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
/* Marantz/Denon devices with USB DAC functionality need a delay
* after each class compliant request
*/
- if (is_marantz_denon_dac(USB_ID(le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct)))
+ if (is_marantz_denon_dac(chip->usb_id)
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
/* Zoom R16/24 needs a tiny delay here, otherwise requests like
* get/set frequency return as failed despite actually succeeding.
*/
- if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1686) &&
- (le16_to_cpu(dev->descriptor.idProduct) == 0x00dd) &&
+ if (chip->usb_id == USB_ID(0x1686, 0x00dd) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(1);
}
@@ -1264,7 +1281,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
unsigned int sample_bytes)
{
/* Playback Designs */
- if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) {
+ if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
switch (fp->altsetting) {
case 1:
fp->dsd_dop = true;