openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ALSA: usb-audio: Pass snd_usb_audio object to quirk functions 

A preliminary patch for the later big change.  Just a minor code
refactoring.

Tested-by: Keith Milner <kamilner@superlative.org>
Tested-by: Dylan Robinson <dylan_robinson@motu.com>
Link: https://lore.kernel.org/r/20201123085347.19667-19-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-11-23 09:53:24 +01:00
parent c7f902015e
commit d767aba202
4 changed files with 17 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sound/usb/clock.c
View File

@ -658,9 +658,9 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
* interface is active. */
if (rate != prev_rate) {
usb_set_interface(dev, iface, 0);
snd_usb_set_interface_quirk(dev);
snd_usb_set_interface_quirk(chip);
usb_set_interface(dev, iface, fmt->altsetting);
snd_usb_set_interface_quirk(dev);
snd_usb_set_interface_quirk(chip);
}
validation:

17
sound/usb/pcm.c
View File

@ -553,6 +553,7 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
{
struct usb_device *dev = subs->dev;
struct usb_host_interface *alts;
struct snd_usb_audio *chip = subs->stream->chip;
int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK;
unsigned int ep;
int err;
@ -569,7 +570,7 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
if (!alts)
return 0;
subs->sync_endpoint = snd_usb_get_endpoint(subs->stream->chip, ep);
subs->sync_endpoint = snd_usb_get_endpoint(chip, ep);
if (!subs->sync_endpoint) {
if (is_playback &&
(fmt->ep_attr & USB_ENDPOINT_SYNCTYPE) == USB_ENDPOINT_SYNC_NONE)
@ -596,7 +597,7 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
dev_dbg(&dev->dev, "setting usb interface %d:%d\n",
subs->sync_endpoint->iface,
subs->sync_endpoint->altsetting);
snd_usb_set_interface_quirk(dev);
snd_usb_set_interface_quirk(chip);
}
return 0;
@ -608,6 +609,7 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
{
struct usb_device *dev = subs->dev;
struct snd_usb_audio *chip = subs->stream->chip;
struct usb_host_interface *alts;
struct usb_interface *iface;
struct snd_usb_endpoint *ep;
@ -625,7 +627,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
/* shared EP with implicit fb */
if (fmt->implicit_fb && !subs->need_setup_fmt) {
ep = snd_usb_get_endpoint(subs->stream->chip, fmt->endpoint);
ep = snd_usb_get_endpoint(chip, fmt->endpoint);
if (ep && ep->use_count > 0)
goto add_data_ep;
}
@ -648,7 +650,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
/* set interface */
if (iface->cur_altsetting != alts) {
err = snd_usb_select_mode_quirk(subs, fmt);
err = snd_usb_select_mode_quirk(chip, fmt);
if (err < 0)
return -EIO;
@ -661,7 +663,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
}
dev_dbg(&dev->dev, "setting usb interface %d:%d\n",
fmt->iface, fmt->altsetting);
snd_usb_set_interface_quirk(dev);
snd_usb_set_interface_quirk(chip);
}
subs->need_setup_ep = true;
@ -669,8 +671,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
add_data_ep:
subs->interface = fmt->iface;
subs->altset_idx = fmt->altset_idx;
subs->data_endpoint = snd_usb_get_endpoint(subs->stream->chip,
fmt->endpoint);
subs->data_endpoint = snd_usb_get_endpoint(chip, fmt->endpoint);
if (!subs->data_endpoint)
return -EINVAL;
subs->data_endpoint->iface = fmt->iface;
@ -681,7 +682,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
return err;
if (subs->need_setup_ep) {
err = snd_usb_init_pitch(subs->stream->chip, fmt->iface, alts, fmt);
err = snd_usb_init_pitch(chip, fmt->iface, alts, fmt);
if (err < 0)
return err;
}

10
sound/usb/quirks.c
View File

@ -1553,13 +1553,13 @@ static bool is_itf_usb_dsd_dac(unsigned int id)
return false;
}
int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
int snd_usb_select_mode_quirk(struct snd_usb_audio *chip,
struct audioformat *fmt)
{
struct usb_device *dev = subs->dev;
struct usb_device *dev = chip->dev;
int err;
if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
if (is_itf_usb_dsd_dac(chip->usb_id)) {
/* First switch to alt set 0, otherwise the mode switch cmd
* will not be accepted by the DAC
*/
@ -1622,10 +1622,8 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
ep->tenor_fb_quirk = 1;
}
void snd_usb_set_interface_quirk(struct usb_device *dev)
void snd_usb_set_interface_quirk(struct snd_usb_audio *chip)
{
struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
if (!chip)
return;
/*

4
sound/usb/quirks.h
View File

@ -35,12 +35,12 @@ int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep);
void snd_usb_set_interface_quirk(struct usb_device *dev);
void snd_usb_set_interface_quirk(struct snd_usb_audio *chip);
void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
__u8 request, __u8 requesttype, __u16 value,
__u16 index, void *data, __u16 size);
int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
int snd_usb_select_mode_quirk(struct snd_usb_audio *chip,
struct audioformat *fmt);
u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,