diff options
| author | Geoffrey D. Bennett <g@b4.vu> | 2023-12-26 21:06:54 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-12-29 17:52:13 +0300 |
| commit | 038216f2bc85167449359cb4eec5fc5bfffbe4ef (patch) | |
| tree | 7d48936da2b3f0a148f04e248fe6198610f2d1dc /sound | |
| parent | 1b53c116232e082db06ab5310c1be1d4bf75dfe1 (diff) | |
| download | linux-038216f2bc85167449359cb4eec5fc5bfffbe4ef.tar.xz | |
ALSA: scarlett2: Add support for Air Presence + Drive option
Extend the existing "air" option support from Scarlett Gen 3, which
had two states (off/on), to accommodate Scarlett Gen 4's new state:
Presence + Drive.
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/a9ccda7222842a72e4ce7aa258614ff45248bb16.1703612638.git.g@b4.vu
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/mixer_scarlett2.c | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index a0f1f47fb817..1a955a6decf3 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -647,6 +647,12 @@ struct scarlett2_device_info { /* the first input with an air control (0-based) */ u8 air_input_first; + /* number of additional air options + * 0 for air presence only (Gen 3) + * 1 for air presence+drive (Gen 4) + */ + u8 air_option; + /* the number of phantom (48V) software switchable controls */ u8 phantom_count; @@ -3022,7 +3028,7 @@ static int scarlett2_air_ctl_put(struct snd_kcontrol *kctl, } oval = private->air_switch[index]; - val = !!ucontrol->value.integer.value[0]; + val = ucontrol->value.integer.value[0]; if (oval == val) goto unlock; @@ -3040,12 +3046,31 @@ unlock: return err; } -static const struct snd_kcontrol_new scarlett2_air_ctl = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "", - .info = snd_ctl_boolean_mono_info, - .get = scarlett2_air_ctl_get, - .put = scarlett2_air_ctl_put, +static int scarlett2_air_with_drive_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[3] = { + "Off", "Presence", "Presence + Drive" + }; + + return snd_ctl_enum_info(uinfo, 1, 3, values); +} + +static const struct snd_kcontrol_new scarlett2_air_ctl[2] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_air_ctl_get, + .put = scarlett2_air_ctl_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_air_with_drive_ctl_info, + .get = scarlett2_air_ctl_get, + .put = scarlett2_air_ctl_put, + } }; /*** Phantom Switch Controls ***/ @@ -3839,9 +3864,10 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) /* Add input air controls */ for (i = 0; i < info->air_input_count; i++) { snprintf(s, sizeof(s), fmt, i + 1 + info->air_input_first, - "Air", "Switch"); - err = scarlett2_add_new_ctl(mixer, &scarlett2_air_ctl, - i, 1, s, &private->air_ctls[i]); + "Air", info->air_option ? "Enum" : "Switch"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_air_ctl[info->air_option], + i, 1, s, &private->air_ctls[i]); if (err < 0) return err; } |