From: Daniel Mack <zonque@gmail.com>
To: alsa-devel@alsa-project.org
Cc: tiwai@suse.de, clemens@ladisch.de, Daniel Mack <zonque@gmail.com>,
demian@auraliti.com, ray@auraliti.com, andreas@akdesigninc.com
Subject: [PATCH 3/3] ALSA: snd-usb: add delay quirk for "Playback Design" products
Date: Sun, 17 Mar 2013 20:07:26 +0800 [thread overview]
Message-ID: <1363522047-7515-4-git-send-email-zonque@gmail.com> (raw)
In-Reply-To: <1363522047-7515-1-git-send-email-zonque@gmail.com>
"Playback Design" products need a 50ms delay after setting the USB
interface.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Andreas Koch <andreas@akdesigninc.com>
---
sound/usb/pcm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f94397b..c263991 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -350,6 +350,13 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
fmt->iface, fmt->altsetting);
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);
}
subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip,
--
1.7.10.4
next prev parent reply other threads:[~2013-03-17 12:07 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-17 12:07 [PATCH 0/3] ALSA: snd-usb: Some small fixes to make Playback Design products work Daniel Mack
2013-03-17 12:07 ` [PATCH 1/3] ALSA: snd-usb: handle the bmFormats field as unsigned int Daniel Mack
2013-03-17 12:07 ` [PATCH 2/3] ALSA: snd-usb: handle raw data format of UAC2 devices Daniel Mack
2013-03-17 12:07 ` Daniel Mack [this message]
2013-03-18 9:07 ` [PATCH 0/3] ALSA: snd-usb: Some small fixes to make Playback Design products work Takashi Iwai
2013-03-18 9:15 ` Daniel Mack
2013-03-18 9:30 ` Takashi Iwai
2013-03-18 13:49 ` Daniel Mack
2013-03-19 2:51 ` Gabriel M. Beddingfield
2013-03-19 6:48 ` Takashi Iwai
2013-03-21 21:21 ` Jussi Laako
2013-03-22 8:11 ` Daniel Mack
2013-03-22 19:37 ` Jussi Laako
2013-03-23 11:31 ` Support for DSD streams (was: Re: [PATCH 0/3] ALSA: snd-usb: Some small fixes to make Playback Design products work) Daniel Mack
2013-03-23 19:53 ` Support for DSD streams Jussi Laako
[not found] ` <7.0.0.16.2.20130322082602.0605cbc0@akdesigninc.com>
2013-03-23 11:50 ` Support for DSD streams (was: Re: [PATCH 0/3] ALSA: snd-usb: Some small fixes to make Playback Design products work) Daniel Mack
[not found] ` <7.0.0.16.2.20130323101939.0605d748@akdesigninc.com>
2013-03-23 18:43 ` Support for DSD streams Daniel Mack
[not found] ` <7.0.0.16.2.20130323182911.0605db20@akdesigninc.com>
2013-03-27 9:53 ` Daniel Mack
2013-03-23 20:01 ` [PATCH 0/3] ALSA: snd-usb: Some small fixes to make Playback Design products work Jussi Laako
[not found] ` <7.0.0.16.2.20130323183543.0605ddb0@akdesigninc.com>
2013-03-24 10:50 ` Jussi Laako
2013-03-26 19:34 ` Daniel Mack
2013-03-28 0:10 ` Jussi Laako
2013-03-26 19:58 ` Daniel Mack
[not found] ` <7.0.0.16.2.20130326224120.13b063e0@akdesigninc.com>
2013-03-27 9:45 ` Clemens Ladisch
2013-03-27 9:48 ` Daniel Mack
[not found] ` <7.0.0.16.2.20130327080219.13b06900@akdesigninc.com>
2013-03-27 18:22 ` Daniel Mack
2013-03-27 23:48 ` Jussi Laako
2013-03-28 0:00 ` Jussi Laako
2013-03-27 19:02 ` Daniel Mack
[not found] ` <7.0.0.16.2.20130321181551.0605bc60@akdesigninc.com>
2013-03-22 10:15 ` Jussi Laako
2013-03-22 10:23 ` Takashi Iwai
2013-03-22 11:08 ` Jussi Laako
2013-03-19 2:37 ` Gabriel M. Beddingfield
2013-03-19 6:49 ` Takashi Iwai
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