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Commit 21bb5aaf authored by Daniel Mack's avatar Daniel Mack Committed by Takashi Iwai
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ALSA: snd-usb: Playback Design: use usb_set_inferface quirk from more locations 



It turns out the devices from Playback Design need the delay quirk
after usb_set_interface from clocks.c as well. Make it a proper
quirks function and factor out the code to quirks.c.

Signed-off-by: default avatarDaniel Mack <zonque@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 78daea29

sound/usb/clock.c

+3 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
#include "card.h"

#include "helper.h"

#include "clock.h"

#include "quirks.h"



static struct uac_clock_source_descriptor *

	snd_usb_find_clock_source(struct usb_host_interface *ctrl_iface,
@@ -392,7 +393,9 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface, 
	 * interface is active. */

	if (rate != prev_rate) {

		usb_set_interface(dev, iface, 0);

		snd_usb_set_interface_quirk(dev);

		usb_set_interface(dev, iface, fmt->altsetting);

		snd_usb_set_interface_quirk(dev);

	}



	return 0;

sound/usb/pcm.c

+1 −6
Original line number Diff line number Diff line
@@ -349,12 +349,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) 
		subs->interface = fmt->iface;

		subs->altset_idx = fmt->altset_idx;



		/*

		 * "Playback Design" products need a 50ms delay after setting the

		 * USB interface.

		 */

		if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)

			mdelay(50);

		snd_usb_set_interface_quirk(dev);

	}



	subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip,

sound/usb/quirks.c

+10 −0
Original line number Diff line number Diff line
@@ -892,6 +892,16 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 
		ep->skip_packets = 16;

}



void snd_usb_set_interface_quirk(struct usb_device *dev)

{

	/*

	 * "Playback Design" products need a 50ms delay after setting the

	 * USB interface.

	 */

	if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)

		mdelay(50);

}



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/quirks.h

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 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 usb_device *dev);

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);