From: Jeremie Knuesel <knuesel@gmail.com>
To: linux-sound@vger.kernel.org
Cc: Takashi Iwai <tiwai@suse.de>, Jeremie Knuesel <knuesel@gmail.com>,
Alexander Tsoy <alexander@tsoy.me>
Subject: [PATCH] ALSA: usb-audio: Increase delay in MOTU M quirk
Date: Sun, 17 Dec 2023 12:22:43 +0100 [thread overview]
Message-ID: <20231217112243.33409-1-knuesel@gmail.com> (raw)
Increase the quirk delay from 2 seconds to 4 seconds. This reflects a
change in the Windows driver in which the delay was increased to about
3.7 seconds. The larger delay fixes an issue where the device fails to
work unless it was powered up early during boot.
Also clarify in the quirk comment that the quirk is only applied to
older devices (USB ID 07fd:0008).
Signed-off-by: Jeremie Knuesel <knuesel@gmail.com>
Suggested-by: Alexander Tsoy <alexander@tsoy.me>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=211975
---
sound/usb/quirks.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index ab2b938502eb..07cc6a201579 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1387,7 +1387,7 @@ static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev)
static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
{
- msleep(2000);
+ msleep(4000);
return 0;
}
@@ -1630,7 +1630,7 @@ int snd_usb_apply_boot_quirk_once(struct usb_device *dev,
unsigned int id)
{
switch (id) {
- case USB_ID(0x07fd, 0x0008): /* MOTU M Series */
+ case USB_ID(0x07fd, 0x0008): /* MOTU M Series, 1st hardware version */
return snd_usb_motu_m_series_boot_quirk(dev);
}
--
2.34.1
reply other threads:[~2023-12-17 11:26 UTC|newest]
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