From: Geoffrey D. Bennett Date: Sun, 20 Jun 2021 16:46:45 +0000 (+0930) Subject: ALSA: usb-audio: scarlett2: Fix scarlett2_*_ctl_put() return values X-Git-Tag: v5.12.19~176 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc59aca37a7a1ec8c2b0b1b46b6c5ec63c725e65;p=thirdparty%2Fkernel%2Fstable.git ALSA: usb-audio: scarlett2: Fix scarlett2_*_ctl_put() return values [ 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 Link: https://lore.kernel.org/r/20210620164645.GA9221@m.b4.vu Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 2ea41c8eafd1c..b92319928ddd7 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -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);