linux-kernel - [PATCH] ALSA: usb-audio: Fix "cannot set freq 48000 to ep 0x3" msgs

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Date:   Thu, 1 Jun 2023 15:11:16 +0200
From:   Joakim Tjernlund <joakim.tjernlund@...inera.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Joakim Tjernlund <joakim.tjernlund@...inera.com>,
        <stable@...r.kernel.org>
Subject: [PATCH] ALSA: usb-audio: Fix "cannot set freq 48000 to ep 0x3" msgs

On some USB speaker devices(Jabra/Logitech) we see above error
msg when connecting device to computer and kernel is probing the device.

Moving the snd_usb_init_sample_rate() to after usb_set_interface() makes
the error go away.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@...inera.com>
Cc: stable@...r.kernel.org
---
 sound/usb/stream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index f10f4e6d3fb8..d9ac8663a48b 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -1226,8 +1226,8 @@ static int __snd_usb_parse_audio_interface(struct snd_usb_audio *chip,
 		/* try to set the interface... */
 		usb_set_interface(chip->dev, iface_no, 0);
 		snd_usb_init_pitch(chip, fp);
-		snd_usb_init_sample_rate(chip, fp, fp->rate_max);
 		usb_set_interface(chip->dev, iface_no, altno);
+		snd_usb_init_sample_rate(chip, fp, fp->rate_max);
 	}
 	return 0;
 }
-- 
2.39.3