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authorJeremie Knuesel <knuesel@gmail.com>2023-12-17 14:22:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-01 15:42:38 +0300
commite8e214d0bf70442083722f33ea3ca29c6b33238d (patch)
tree37f3949a9ad9943ca59b3b67dd66b189c5d52eb5 /sound/usb
parentae0faa924d07392a3c6b085df509080a3ada0e1a (diff)
downloadlinux-e8e214d0bf70442083722f33ea3ca29c6b33238d.tar.xz
ALSA: usb-audio: Increase delay in MOTU M quirk
commit 48d6b91798a6694fdd6edb62799754b9d3fe0792 upstream. 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> Cc: <stable@vger.kernel.org> Link: https://bugzilla.kernel.org/show_bug.cgi?id=211975 Link: https://lore.kernel.org/r/20231217112243.33409-1-knuesel@gmail.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/quirks.c4
1 files 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 @@ free_buf:
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);
}