ALSA: usb-audio: Move interface setup delay into quirk_flags

Yet another delay is applied at switching the interface.  This can be
moved to quirk_flags, too.

Link: https://lore.kernel.org/r/20210729073855.19043-10-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/endpoint.c

@@ -808,7 +808,8 @@ static int endpoint_set_interface(struct snd_usb_audio *chip,
 		return err;
 	}
 
-	snd_usb_set_interface_quirk(chip);
+	if (chip->quirk_flags & QUIRK_FLAG_IFACE_DELAY)
+		msleep(50);
 	return 0;
 }
 

sound/usb/quirks.c

@@ -1570,22 +1570,6 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
 		ep->tenor_fb_quirk = 1;
 }
 
-void snd_usb_set_interface_quirk(struct snd_usb_audio *chip)
-{
-	if (!chip)
-		return;
-	/*
-	 * "Playback Design" products need a 50ms delay after setting the
-	 * USB interface.
-	 */
-	switch (USB_ID_VENDOR(chip->usb_id)) {
-	case 0x23ba: /* Playback Design */
-	case 0x0644: /* TEAC Corp. */
-		msleep(50);
-		break;
-	}
-}
-
 /* 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,
@@ -1841,11 +1825,14 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 	DEVICE_FLG(0x05e1, 0x0480, /* Hauppauge Woodbury */
 		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
 	DEVICE_FLG(0x0644, 0x8043, /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
-		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
+		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
+		   QUIRK_FLAG_IFACE_DELAY),
 	DEVICE_FLG(0x0644, 0x8044, /* Esoteric D-05X */
-		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
+		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
+		   QUIRK_FLAG_IFACE_DELAY),
 	DEVICE_FLG(0x0644, 0x804a, /* TEAC UD-301 */
-		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
+		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
+		   QUIRK_FLAG_IFACE_DELAY),
 	DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */
 		   QUIRK_FLAG_GET_SAMPLE_RATE),
 	DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */
@@ -1919,11 +1906,11 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 	VENDOR_FLG(0x047f, /* Plantronics */
 		   QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY),
 	VENDOR_FLG(0x0644, /* TEAC Corp. */
-		   QUIRK_FLAG_CTL_MSG_DELAY),
+		   QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY),
 	VENDOR_FLG(0x1de7, /* Phoenix Audio */
 		   QUIRK_FLAG_GET_SAMPLE_RATE),
 	VENDOR_FLG(0x23ba, /* Playback Design */
-		   QUIRK_FLAG_CTL_MSG_DELAY),
+		   QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY),
 
 	{} /* terminator */
 };

sound/usb/quirks.h

@@ -33,7 +33,6 @@ int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
 
 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep);
 
-void snd_usb_set_interface_quirk(struct snd_usb_audio *chip);
 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);

sound/usb/usbaudio.h

@@ -153,6 +153,8 @@ extern bool snd_usb_skip_validation;
  *  Add a delay of 1-2ms at each control message handling
  * QUIRK_FLAG_CTL_MSG_DELAY_5M:
  *  Add a delay of 5-6ms at each control message handling
+ * QUIRK_FLAG_IFACE_DELAY:
+ *  Add a delay of 50ms at each interface setup
  */
 
 #define QUIRK_FLAG_GET_SAMPLE_RATE	(1U << 0)
@@ -166,5 +168,6 @@ extern bool snd_usb_skip_validation;
 #define QUIRK_FLAG_CTL_MSG_DELAY	(1U << 8)
 #define QUIRK_FLAG_CTL_MSG_DELAY_1M	(1U << 9)
 #define QUIRK_FLAG_CTL_MSG_DELAY_5M	(1U << 10)
+#define QUIRK_FLAG_IFACE_DELAY		(1U << 11)
 
 #endif /* __USBAUDIO_H */