summaryrefslogtreecommitdiff
path: root/sound/usb/mixer_quirks.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/usb/mixer_quirks.c')
-rw-r--r--sound/usb/mixer_quirks.c148
1 files changed, 92 insertions, 56 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 88a408cdddbd..41cacf889c98 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -144,6 +144,32 @@ static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
return 0;
}
+static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
+ int id,
+ usb_mixer_elem_resume_func_t resume,
+ const struct snd_kcontrol_new *knew,
+ struct usb_mixer_elem_list **listp)
+{
+ struct usb_mixer_elem_list *list;
+ struct snd_kcontrol *kctl;
+
+ list = kzalloc(sizeof(*list), GFP_KERNEL);
+ if (!list)
+ return -ENOMEM;
+ if (listp)
+ *listp = list;
+ list->mixer = mixer;
+ list->id = id;
+ list->resume = resume;
+ kctl = snd_ctl_new1(knew, list);
+ if (!kctl) {
+ kfree(list);
+ return -ENOMEM;
+ }
+ kctl->private_free = snd_usb_mixer_elem_free;
+ return snd_usb_mixer_add_control(list, kctl);
+}
+
/*
* Sound Blaster remote control configuration
*
@@ -271,84 +297,90 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
- struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
- int index = kcontrol->private_value;
-
- ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
+ ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
return 0;
}
-static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
+ int value, int index)
{
- struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
- int index = kcontrol->private_value;
- int value = ucontrol->value.integer.value[0];
- int err, changed;
+ struct snd_usb_audio *chip = mixer->chip;
+ int err;
- if (value > 1)
- return -EINVAL;
- changed = value != mixer->audigy2nx_leds[index];
- down_read(&mixer->chip->shutdown_rwsem);
- if (mixer->chip->shutdown) {
+ down_read(&chip->shutdown_rwsem);
+ if (chip->shutdown) {
err = -ENODEV;
goto out;
}
- if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
- err = snd_usb_ctl_msg(mixer->chip->dev,
- usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
+ if (chip->usb_id == USB_ID(0x041e, 0x3042))
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
!value, 0, NULL, 0);
/* USB X-Fi S51 Pro */
- if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
- err = snd_usb_ctl_msg(mixer->chip->dev,
- usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
+ if (chip->usb_id == USB_ID(0x041e, 0x30df))
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
!value, 0, NULL, 0);
else
- err = snd_usb_ctl_msg(mixer->chip->dev,
- usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
value, index + 2, NULL, 0);
out:
- up_read(&mixer->chip->shutdown_rwsem);
- if (err < 0)
- return err;
- mixer->audigy2nx_leds[index] = value;
- return changed;
+ up_read(&chip->shutdown_rwsem);
+ return err;
}
-static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "CMSS LED Switch",
- .info = snd_audigy2nx_led_info,
- .get = snd_audigy2nx_led_get,
- .put = snd_audigy2nx_led_put,
- .private_value = 0,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Power LED Switch",
- .info = snd_audigy2nx_led_info,
- .get = snd_audigy2nx_led_get,
- .put = snd_audigy2nx_led_put,
- .private_value = 1,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Dolby Digital LED Switch",
- .info = snd_audigy2nx_led_info,
- .get = snd_audigy2nx_led_get,
- .put = snd_audigy2nx_led_put,
- .private_value = 2,
- },
+static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
+ struct usb_mixer_interface *mixer = list->mixer;
+ int index = kcontrol->private_value & 0xff;
+ int value = ucontrol->value.integer.value[0];
+ int old_value = kcontrol->private_value >> 8;
+ int err;
+
+ if (value > 1)
+ return -EINVAL;
+ if (value == old_value)
+ return 0;
+ kcontrol->private_value = (value << 8) | index;
+ err = snd_audigy2nx_led_update(mixer, value, index);
+ return err < 0 ? err : 1;
+}
+
+static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
+{
+ int priv_value = list->kctl->private_value;
+
+ return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
+ priv_value & 0xff);
+}
+
+/* name and private_value are set dynamically */
+static struct snd_kcontrol_new snd_audigy2nx_control = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .info = snd_audigy2nx_led_info,
+ .get = snd_audigy2nx_led_get,
+ .put = snd_audigy2nx_led_put,
+};
+
+static const char * const snd_audigy2nx_led_names[] = {
+ "CMSS LED Switch",
+ "Power LED Switch",
+ "Dolby Digital LED Switch",
};
static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
{
int i, err;
- for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
+ for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
+ struct snd_kcontrol_new knew;
+
/* USB X-Fi S51 doesn't have a CMSS LED */
if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
continue;
@@ -361,12 +393,16 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
break;
- err = snd_ctl_add(mixer->chip->card,
- snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
+
+ knew = snd_audigy2nx_control;
+ knew.name = snd_audigy2nx_led_names[i];
+ knew.private_value = (1 << 8) | i; /* LED on as default */
+ err = add_single_ctl_with_resume(mixer, 0,
+ snd_audigy2nx_led_resume,
+ &knew, NULL);
if (err < 0)
return err;
}
- mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
return 0;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-25 05:28:00 +0000