diff options
| author | Takashi Iwai | 2020-11-23 09:53:40 +0100 |
|---|---|---|
| committer | Takashi Iwai | 2020-11-23 15:16:37 +0100 |
| commit | 89fa3f686c10c9edde0f41e5a1c71afa0e43ff87 (patch) | |
| tree | 561571bc3c90b9ce14edc12c05067f01fab4f73d | |
| parent | 53837b4ac2bd33ede5cd799940341ce5ea7b2902 (diff) | |
ALSA: usb-audio: Use unsigned char for iface and altsettings fields
Just for consistency, use unsigned char for iface and altsetting in
allover places. Also rearrange the field positions of
snd_usb_endpiont and tidy up with some comments.
Tested-by: Keith Milner <kamilner@superlative.org>
Tested-by: Dylan Robinson <dylan_robinson@motu.com>
Link: https://lore.kernel.org/r/20201123085347.19667-35-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/usb/card.h | 11 | ||||
| -rw-r--r-- | sound/usb/endpoint.c | 2 |
2 files changed, 8 insertions, 5 deletions
diff --git a/sound/usb/card.h b/sound/usb/card.h index 3e16b9288693..6a027c349194 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -16,7 +16,7 @@ struct audioformat { unsigned int fmt_type; /* USB audio format type (1-3) */ unsigned int fmt_bits; /* number of significant bits */ unsigned int frame_size; /* samples per frame for non-audio */ - int iface; /* interface number */ + unsigned char iface; /* interface number */ unsigned char altsetting; /* corresponding alternate setting */ unsigned char altset_idx; /* array index of altenate setting */ unsigned char attributes; /* corresponding attributes of cs endpoint */ @@ -63,7 +63,12 @@ struct snd_usb_endpoint { atomic_t running; /* running status */ int ep_num; /* the referenced endpoint number */ int type; /* SND_USB_ENDPOINT_TYPE_* */ - unsigned long flags; + + unsigned char iface; /* interface number */ + unsigned char altsetting; /* corresponding alternate setting */ + unsigned char ep_idx; /* endpoint array index */ + + unsigned long flags; /* running bit flags */ void (*prepare_data_urb) (struct snd_usb_substream *subs, struct urb *urb); @@ -112,8 +117,6 @@ struct snd_usb_endpoint { unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */ unsigned char silence_value; unsigned int stride; - int iface, altsetting; - unsigned char ep_idx; /* endpoint array index */ int skip_packets; /* quirks for devices to ignore the first n packets in a stream */ bool implicit_fb_sync; /* syncs with implicit feedback */ diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 5f1d5f1ed8db..162da7a50046 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -762,7 +762,7 @@ void snd_usb_endpoint_close(struct snd_usb_audio *chip, ep->ep_num, ep->opened); if (!--ep->opened) { endpoint_set_interface(chip, ep, false); - ep->iface = -1; + ep->iface = 0; ep->altsetting = 0; ep->cur_audiofmt = NULL; ep->cur_rate = 0; |