goto __error;
if (snd_usb_endpoint_implicit_feedback_sink(ep) &&
- !ep->chip->playback_first) {
+ !(ep->chip->quirk_flags & QUIRK_FLAG_PLAYBACK_FIRST)) {
for (i = 0; i < ep->nurbs; i++) {
struct snd_urb_ctx *ctx = ep->urb + i;
list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs);
if (!usb_endpoint_is_isoc_in(epd) ||
(epd->bmAttributes & USB_ENDPOINT_SYNCTYPE) != USB_ENDPOINT_SYNC_ASYNC)
return 0;
- chip->playback_first = 1;
+ chip->quirk_flags |= QUIRK_FLAG_PLAYBACK_FIRST;
return add_implicit_fb_sync_ep(chip, fmt, epd->bEndpointAddress, 0,
alts->desc.bInterfaceNumber, alts);
}
case IMPLICIT_FB_FIXED:
return 0; /* no quirk */
case IMPLICIT_FB_BOTH:
- chip->playback_first = 1;
+ chip->quirk_flags |= QUIRK_FLAG_PLAYBACK_FIRST;
return add_generic_implicit_fb(chip, fmt, alts);
}
}
/* Pioneer devices with vendor spec class */
if (is_pioneer_implicit_fb(chip, alts)) {
- chip->playback_first = 1;
+ chip->quirk_flags |= QUIRK_FLAG_PLAYBACK_FIRST;
return add_implicit_fb_sync_ep(chip, fmt,
get_endpoint(alts, 1)->bEndpointAddress,
1, alts->desc.bInterfaceNumber,
wait_queue_head_t shutdown_wait;
unsigned int quirk_flags;
unsigned int need_delayed_register:1; /* warn for delayed registration */
- unsigned int playback_first:1; /* for implicit fb: don't wait for the first capture URBs */
int num_interfaces;
int num_suspended_intf;
int sample_rate_read_error;
* slots (audio frames)
* QUIRK_TX_LENGTH:
* Add length specifier to transfers
+ * QUIRK_FLAG_PLAYBACK_FIRST:
+ * Start playback stream at first even in implement feedback mode
*/
#define QUIRK_FLAG_GET_SAMPLE_RATE (1U << 0)
#define QUIRK_FLAG_SHARE_MEDIA_DEVICE (1U << 1)
#define QUIRK_FLAG_ALIGN_TRANSFER (1U << 2)
#define QUIRK_FLAG_TX_LENGTH (1U << 3)
+#define QUIRK_FLAG_PLAYBACK_FIRST (1U << 4)
#endif /* __USBAUDIO_H */