diff options
| author | Erik Veijola <erik.veijola@gmail.com> | 2018-02-23 14:06:52 +0200 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2018-06-16 22:22:24 +0100 |
| commit | fdc69db2dee287e6a8eebc6990f48b3b2b5b8564 (patch) | |
| tree | dab2738140c6f1fff1ae1780970cf94761047d8d /sound/usb | |
| parent | 80279158472a5e10191c8f16a32af884dd16e803 (diff) | |
ALSA: usb-audio: Add a quirck for B&W PX headphones
commit 240a8af929c7c57dcde28682725b29cf8474e8e5 upstream.
The capture interface doesn't work and the playback interface only
supports 48 kHz sampling rate even though it advertises more rates.
Signed-off-by: Erik Veijola <erik.veijola@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/quirks-table.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index a1f08d8c7bd2..d74a9927c3d9 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -3266,4 +3266,51 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"), } }, +{ + /* + * Bower's & Wilkins PX headphones only support the 48 kHz sample rate + * even though it advertises more. The capture interface doesn't work + * even on windows. + */ + USB_DEVICE(0x19b5, 0x0021), + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_MIXER, + }, + /* Capture */ + { + .ifnum = 1, + .type = QUIRK_IGNORE_INTERFACE, + }, + /* Playback */ + { + .ifnum = 2, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = &(const struct audioformat) { + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .channels = 2, + .iface = 2, + .altsetting = 1, + .altset_idx = 1, + .attributes = UAC_EP_CS_ATTR_FILL_MAX | + UAC_EP_CS_ATTR_SAMPLE_RATE, + .endpoint = 0x03, + .ep_attr = USB_ENDPOINT_XFER_ISOC, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .nr_rates = 1, + .rate_table = (unsigned int[]) { + 48000 + } + } + }, + } + } +}, + #undef USB_DEVICE_VENDOR_SPEC |