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[1/2] ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci

Message ID 66a3d05dac325d5b53e4930578e143cef1f50dbe.1621584566.git.g@b4.vu
State Accepted
Commit 764fa6e686e0107c0357a988d193de04cf047583
Headers show
Series ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci | expand

Commit Message

Geoffrey D. Bennett May 21, 2021, 8:20 a.m. UTC
Use usb_rcvctrlpipe() not usb_sndctrlpipe() for USB control input in
the Scarlett Gen 2 mixer driver. This fixes the device hang during
initialisation when used with the ehci-pci host driver.

Fixes: 9e4d5c1be21f ("ALSA: usb-audio: Scarlett Gen 2 mixer interface")
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
---
 sound/usb/mixer_scarlett_gen2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 560c2ade829d..dcff3e3a49f3 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -635,7 +635,7 @@  static int scarlett2_usb(
 	/* send a second message to get the response */
 
 	err = snd_usb_ctl_msg(mixer->chip->dev,
-			usb_sndctrlpipe(mixer->chip->dev, 0),
+			usb_rcvctrlpipe(mixer->chip->dev, 0),
 			SCARLETT2_USB_VENDOR_SPECIFIC_CMD_RESP,
 			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 			0,