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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 18:37:56 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-16 12:03:02 +0300
commit4f6d57e4306868e4cb5fdf32f2e10f33dad1614f (patch)
tree45e9297b41d5ef6d3460f30d148887d7b79a7831 /sound/usb
parente9b20f0fe17ab06c3b55153046209987749daa48 (diff)
downloadlinux-4f6d57e4306868e4cb5fdf32f2e10f33dad1614f.tar.xz
ALSA: remove calls to usb_pipe_type_check for control endpoints
A USB device will always haev a bi-directional endpoint 0, that's just how the devices work, so no need to check for that in a few quirk tests as it will always pass. Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: Alexander Tsoy <alexander@tsoy.me> Reported-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20200914153756.3412156-12-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/quirks.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 1b482848e73b..395d1ea6f03f 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -885,8 +885,6 @@ static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
{
int ret;
- if (usb_pipe_type_check(dev, usb_sndctrlpipe(dev, 0)))
- return -EINVAL;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1, 0, NULL, 0, 1000);
@@ -994,8 +992,6 @@ static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
- if (usb_pipe_type_check(dev, usb_sndctrlpipe(dev, 0)))
- return -EINVAL;
/* If the Axe-Fx III has not fully booted, it will timeout when trying
* to enable the audio streaming interface. A more generous timeout is
* used here to detect when the Axe-Fx III has finished booting as the
@@ -1127,8 +1123,6 @@ static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
{
int ret;
- if (usb_pipe_type_check(dev, usb_sndctrlpipe(dev, 0)))
- return -EINVAL;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0x0, 0, NULL, 0, 1000);