diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-14 18:37:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-16 12:03:02 +0300 |
| commit | 4f6d57e4306868e4cb5fdf32f2e10f33dad1614f (patch) | |
| tree | 45e9297b41d5ef6d3460f30d148887d7b79a7831 /sound/usb | |
| parent | e9b20f0fe17ab06c3b55153046209987749daa48 (diff) | |
| download | linux-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.c | 6 |
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); |