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authorTakashi Iwai <tiwai@suse.de>2016-01-11 11:33:34 +0100
committerTakashi Iwai <tiwai@suse.de>2016-01-29 07:36:10 +0100
commit79289e24194a9d099bf18f200894832c5760cd83 (patch)
tree6a686fddaaeae99cdf85f6c2645d92891bceab74 /sound/usb/quirks.h
parent3ec622f40913ae036f218e5e7e92df9c1f1753d9 (diff)
downloadlinux-79289e24194a9d099bf18f200894832c5760cd83.tar.bz2
ALSA: usb-audio: Refer to chip->usb_id for quirks and MIDI creation
This is a preliminary patch for the later change to allow a better quirk ID management. In the current USB-audio code, there are a few places looking at usb_device idVendor and idProduct fields directly even though we have already a static member in snd_usb_audio.usb_id. This patch modifies such codes to refer to the latter field. For achieving this, two slightly intensive changes have been done: - The snd_usb_audio object is set/reset via dev_getdrv() for the given USB device; it's needed for minimizing the changes for some existing quirks that take only usb_device object. - __snd_usbmidi_create() is introduced to receive the pre-given usb_id argument. The exported snd_usbmidi_create() is unchanged by calling this new function internally. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/quirks.h')
-rw-r--r--sound/usb/quirks.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/usb/quirks.h b/sound/usb/quirks.h
index 2cd71ed1201f..192ff5ce9452 100644
--- a/sound/usb/quirks.h
+++ b/sound/usb/quirks.h
@@ -16,7 +16,8 @@ int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
int snd_usb_apply_boot_quirk(struct usb_device *dev,
struct usb_interface *intf,
- const struct snd_usb_audio_quirk *quirk);
+ const struct snd_usb_audio_quirk *quirk,
+ unsigned int usb_id);
void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
struct audioformat *fmt);