[PATCH AUTOSEL 5.10 77/93] ALSA: usb-audio: scarlett2: Fix scarlett2_*_ctl_put() return values
From: Sasha Levin <sashal@kernel.org>
Date: 2021-07-10 02:31:21
Also in:
alsa-devel, lkml
Subsystem:
sound, the rest · Maintainers:
Jaroslav Kysela, Takashi Iwai, Linus Torvalds
From: "Geoffrey D. Bennett" <g@b4.vu> [ Upstream commit c5d8e008032f3cd5f266d552732973a960b0bd4b ] 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 (local) Signed-off-by: Takashi Iwai <redacted> Signed-off-by: Sasha Levin <sashal@kernel.org> --- sound/usb/mixer_scarlett_gen2.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 38b3a0352b24..6d7805d3c39a 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c@@ -1179,6 +1179,8 @@ 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);
@@ -1239,6 +1241,8 @@ 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);
@@ -1289,6 +1293,8 @@ 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);
@@ -1344,6 +1350,8 @@ 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);
--
2.30.2