UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ALSA: usb-audio: Add Digidesign Mbox 1 resume support 

Again another quirk fix, just convert to usb_mixer_elem_list with the
resume callback for Mbox 1 stuff.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2014-11-18 16:31:35 +01:00
parent 2bfb14c3b8
commit 25a9a4f91b
1 changed files with 29 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
sound/usb/mixer_quirks.c
View File

@ -616,29 +616,12 @@ static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
return 0;
}
static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
{
struct snd_usb_audio *chip;
struct usb_mixer_interface *mixer;
struct snd_usb_audio *chip = mixer->chip;
int err;
bool cur_val, new_val;
unsigned char buff[3];
cur_val = kctl->private_value;
new_val = ucontrol->value.enumerated.item[0];
mixer = snd_kcontrol_chip(kctl);
if (snd_BUG_ON(!mixer))
return -EINVAL;
chip = mixer->chip;
if (snd_BUG_ON(!chip))
return -EINVAL;
if (cur_val == new_val)
return 0;
down_read(&chip->shutdown_rwsem);
if (chip->shutdown) {
err = -ENODEV;
@ -668,7 +651,7 @@ static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
* while S/PDIF sync is enabled and confusing
* this configuration.
*/
if (new_val == 0) {
if (val == 0) {
buff[0] = 0x80;
buff[1] = 0xbb;
buff[2] = 0x00;
@ -697,10 +680,27 @@ static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
if (err < 0)
goto err;
kctl->private_value = new_val;
err:
up_read(&chip->shutdown_rwsem);
return err;
}
static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct usb_mixer_interface *mixer = list->mixer;
int err;
bool cur_val, new_val;
cur_val = kctl->private_value;
new_val = ucontrol->value.enumerated.item[0];
if (cur_val == new_val)
return 0;
kctl->private_value = new_val;
err = snd_mbox1_switch_update(mixer, new_val);
return err < 0 ? err : 1;
}
@ -715,6 +715,11 @@ static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
}
static struct snd_kcontrol_new snd_mbox1_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Clock Source",
@ -728,8 +733,9 @@ static struct snd_kcontrol_new snd_mbox1_switch = {
static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
{
return snd_ctl_add(mixer->chip->card,
snd_ctl_new1(&snd_mbox1_switch, mixer));
return add_single_ctl_with_resume(mixer, 0,
snd_mbox1_switch_resume,
&snd_mbox1_switch, NULL);
}
/* Native Instruments device quirks */