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ALSA: usb-audio: scarlett2: Fix scarlett2_*_ctl_put() return values

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[ Upstream commit c5d8e00803 ]

Mixer control put callbacks should return 1 if the value is changed.
Fix the sw_hw, level, pad, and button controls accordingly.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://lore.kernel.org/r/20210620164645.GA9221@m.b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Geoffrey D. Bennett 2021-06-21 02:16:45 +09:30 • committed by Greg Kroah-Hartman
commit 16668cc656
1 changed files with 8 additions and 0 deletions
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8
sound/usb/mixer_scarlett_gen2.c
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@ -1184,6 +1184,8 @@ static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl,
/* Send SW/HW switch change to the device */
err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH,
index, val);
if (err == 0)
err = 1;
unlock:
mutex_unlock(&private->data_mutex);
@ -1244,6 +1246,8 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl,
/* Send switch change to the device */
err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_LEVEL_SWITCH,
index, val);
if (err == 0)
err = 1;
unlock:
mutex_unlock(&private->data_mutex);
@ -1294,6 +1298,8 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl,
/* Send switch change to the device */
err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PAD_SWITCH,
index, val);
if (err == 0)
err = 1;
unlock:
mutex_unlock(&private->data_mutex);
@ -1349,6 +1355,8 @@ static int scarlett2_button_ctl_put(struct snd_kcontrol *kctl,
/* Send switch change to the device */
err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_BUTTONS,
index, val);
if (err == 0)
err = 1;
unlock:
mutex_unlock(&private->data_mutex);