This quirk type will let the driver assume that there is a standard mixer on a given interface, or that a specific mixer quirks will handle the device.
Signed-off-by: Daniel Mack zonque@gmail.com --- sound/usb/quirks.c | 17 ++++++++++++++++- sound/usb/usbaudio.h | 1 + 2 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 2546dc8..2e969cb 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -264,6 +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. @@ -295,7 +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) { diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 32f2a97..1e79986 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -84,6 +84,7 @@ enum quirk_type { QUIRK_AUDIO_FIXED_ENDPOINT, QUIRK_AUDIO_EDIROL_UAXX, QUIRK_AUDIO_ALIGN_TRANSFER, + QUIRK_AUDIO_STANDARD_MIXER,
QUIRK_TYPE_COUNT };