diff options
Diffstat (limited to 'sound/usb/quirks.c')
| -rw-r--r-- | sound/usb/quirks.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index bd13d7257240..2e969cbb393b 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -19,6 +19,7 @@ #include <linux/usb.h> #include <linux/usb/audio.h> +#include <sound/control.h> #include <sound/core.h> #include <sound/info.h> #include <sound/pcm.h> @@ -263,6 +264,20 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip, } /* + * Create a standard mixer for the specified interface. + */ +static int create_standard_mixer_quirk(struct snd_usb_audio *chip, + struct usb_interface *iface, + struct usb_driver *driver, + const struct snd_usb_audio_quirk *quirk) +{ + if (quirk->ifnum < 0) + return 0; + + return snd_usb_create_mixer(chip, quirk->ifnum, 0); +} + +/* * audio-interface quirks * * returns zero if no standard audio/MIDI parsing is needed. @@ -294,7 +309,8 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip, [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, - [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk + [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, + [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, }; if (quirk->type < QUIRK_TYPE_COUNT) { |