Offload USB audio interface parsing function by
moving quirks to a specially designed location (quirks.c)
Signed-off-by: Ruslan Bilovol <ruslan.bilo...@gmail.com>
---
sound/usb/quirks.c | 34 ++++++++++++++++++++++++++++++++++
sound/usb/quirks.h | 4 ++++
sound/usb/stream.c | 30 +-----------------------------
3 files changed, 39 insertions(+), 29 deletions(-)
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index ea8f3de..eeea8e1 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1403,3 +1403,37 @@ u64 snd_usb_interface_dsd_format_quirks(struct
snd_usb_audio *chip,
return 0;
}
+
+void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ int stream)
+{
+ switch (chip->usb_id) {
+ case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
+ /* Optoplay sets the sample rate attribute although
+ * it seems not supporting it in fact.
+ */
+ fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
+ break;
+ case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
+ case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
+ /* doesn't set the sample rate attribute, but supports it */
+ fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
+ break;
+ case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */
+ case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
+ case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
+ case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
+ an older model 77d:223) */
+ /*
+ * plantronics headset and Griffin iMic have set adaptive-in
+ * although it's really not...
+ */
+ fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
+ else
+ fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
+ break;
+ }
+}
diff --git a/sound/usb/quirks.h b/sound/usb/quirks.h
index b90c8b7..a80e0dd 100644
--- a/sound/usb/quirks.h
+++ b/sound/usb/quirks.h
@@ -42,4 +42,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio
*chip,
struct audioformat *fp,
unsigned int sample_bytes);
+void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ int stream);
+
#endif /* __USBAUDIO_QUIRKS_H */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index d1776e5..dbbe854 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -678,35 +678,7 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio
*chip, int iface_no)
INIT_LIST_HEAD(&fp->list);
/* some quirks for attributes here */
-
- switch (chip->usb_id) {
- case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
- /* Optoplay sets the sample rate attribute although
- * it seems not supporting it in fact.
- */
- fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
- break;
- case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
- case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
- /* doesn't set the sample rate attribute, but supports
it */
- fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
- break;
- case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */
- case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
- case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
- case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
- an older model 77d:223) */
- /*
- * plantronics headset and Griffin iMic have set adaptive-in
- * although it's really not...
- */
- fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
- else
- fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
- break;
- }
+ snd_usb_audioformat_attributes_quirk(chip, fp, stream);
/* ok, let's parse further... */
if (snd_usb_parse_audio_format(chip, fp, format, fmt, stream) <
0) {
--
1.9.1
