Split part of scarlett2_sw_hw_enum_ctl_put() out into scarlett2_sw_hw_change() so that the code which actually makes the change is available in its own function. This will be used by the speaker switching support which needs to set the SW/HW switch to HW when speaker switching is enabled.
Signed-off-by: Geoffrey D. Bennett g@b4.vu --- sound/usb/mixer_scarlett_gen2.c | 46 ++++++++++++++++++++------------- 1 file changed, 28 insertions(+), 18 deletions(-)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 59c9147c5cb5..37e35016db12 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -1904,23 +1904,12 @@ static void scarlett2_vol_ctl_set_writable(struct usb_mixer_interface *mixer, &private->mute_ctls[index]->id); }
-static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, - struct snd_ctl_elem_value *ucontrol) +static int scarlett2_sw_hw_change(struct usb_mixer_interface *mixer, + int ctl_index, int val) { - struct usb_mixer_elem_info *elem = kctl->private_data; - struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; - int ctl_index = elem->control; int index = line_out_remap(private, ctl_index); - int oval, val, err = 0; - - mutex_lock(&private->data_mutex); - - oval = private->vol_sw_hw_switch[index]; - val = !!ucontrol->value.enumerated.item[0]; - - if (oval == val) - goto unlock; + int err;
private->vol_sw_hw_switch[index] = val;
@@ -1938,18 +1927,39 @@ static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, mixer, SCARLETT2_CONFIG_LINE_OUT_VOLUME, index, private->master_vol - SCARLETT2_VOLUME_BIAS); if (err < 0) - goto unlock; + return err;
/* Set SW mute to current HW mute */ err = scarlett2_usb_set_config( mixer, SCARLETT2_CONFIG_MUTE_SWITCH, index, private->dim_mute[SCARLETT2_BUTTON_MUTE]); if (err < 0) - goto unlock; + return err;
/* Send SW/HW switch change to the device */ - err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH, - index, val); + return scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH, + index, val); +} + +static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + int ctl_index = elem->control; + int index = line_out_remap(private, ctl_index); + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->vol_sw_hw_switch[index]; + val = !!ucontrol->value.enumerated.item[0]; + + if (oval == val) + goto unlock; + + err = scarlett2_sw_hw_change(mixer, ctl_index, val); if (err == 0) err = 1;