From 2b54f785b4d4894ab7ab3bf5e461e0819d221c1c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 23 Apr 2018 15:19:25 +0200
Subject: [PATCH] ALSA: usb-audio: Fix missing endian conversion
Git-commit: 2b54f785b4d4894ab7ab3bf5e461e0819d221c1c
Patch-mainline: v4.17-rc3
References: bsc#1121278
The UAC2 jack detection support introduced the bmControls checks in a
couple of places, but they forgot the endian conversion; the
bmControls of UAC2 terminal descriptor is __le16, not a byte like in
UAC1.
Fixes: 5a222e849452 ("ALSA: usb-audio: UAC2 jack detection")
Tested-by: Andrew Chant <achant@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/usb/mixer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 3387483310b1..344d7b069d59 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1860,7 +1860,7 @@ static int parse_audio_input_terminal(struct mixer_build *state, int unitid,
check_input_term(state, d->bTerminalID, &iterm);
if (state->mixer->protocol == UAC_VERSION_2) {
/* Check for jack detection. */
- if (uac_v2v3_control_is_readable(d->bmControls,
+ if (uac_v2v3_control_is_readable(le16_to_cpu(d->bmControls),
UAC2_TE_CONNECTOR)) {
build_connector_control(state, &iterm, true);
}
@@ -2562,7 +2562,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
if (err < 0 && err != -EINVAL)
return err;
- if (uac_v2v3_control_is_readable(desc->bmControls,
+ if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls),
UAC2_TE_CONNECTOR)) {
build_connector_control(&state, &state.oterm,
false);
--
2.20.1