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| author |   Takashi Iwai <tiwai@suse.de> | 2012-11-20 18:24:47 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-11-21 11:37:40 +0100 |
| commit | 20d32022a8d8639a33d0e429f2d3c51b527ea362 (patch) | |
| tree | 361cb984165311d03c39849f402d7ee4e075d9d8 /sound/usb | |
| parent | ALSA: usb-audio: Return meaningful error codes instead of -1 in format.c (diff) | |
| download | linux-dev-20d32022a8d8639a33d0e429f2d3c51b527ea362.tar.xz linux-dev-20d32022a8d8639a33d0e429f2d3c51b527ea362.zip | |
ALSA: usb-audio: Deprecate async_unlink option
The async unlink behavior has been working over years. The option was
provided only as a workaround for 2.4.x kernel. Let's get rid of it.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/card.c | 7 | ||||
| -rw-r--r-- | sound/usb/endpoint.c | 2 | ||||
| -rw-r--r-- | sound/usb/usbaudio.h | 1 |
3 files changed, 1 insertions, 9 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c index dbf7999d18b4..ccf95cfe186f 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -25,9 +25,6 @@ * * NOTES: * - * - async unlink should be used for avoiding the sleep inside lock. - * 2.4.22 usb-uhci seems buggy for async unlinking and results in - * oops. in such a cse, pass async_unlink=0 option. * - the linked URBs would be preferred but not used so far because of * the instability of unlinking. * - type II is not supported properly. there is no device which supports @@ -83,7 +80,6 @@ static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card * static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; static int nrpacks = 8; /* max. number of packets per urb */ -static bool async_unlink = 1; static int device_setup[SNDRV_CARDS]; /* device parameter for this card */ static bool ignore_ctl_error; @@ -99,8 +95,6 @@ module_param_array(pid, int, NULL, 0444); MODULE_PARM_DESC(pid, "Product ID for the USB audio device."); module_param(nrpacks, int, 0644); MODULE_PARM_DESC(nrpacks, "Max. number of packets per URB."); -module_param(async_unlink, bool, 0444); -MODULE_PARM_DESC(async_unlink, "Use async unlink mode."); module_param_array(device_setup, int, NULL, 0444); MODULE_PARM_DESC(device_setup, "Specific device setup (if needed)."); module_param(ignore_ctl_error, bool, 0444); @@ -345,7 +339,6 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, chip->card = card; chip->setup = device_setup[idx]; chip->nrpacks = nrpacks; - chip->async_unlink = async_unlink; chip->probing = 1; chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 51a9aa372cc7..d7382a5e29bb 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -523,7 +523,7 @@ static int deactivate_urbs(struct snd_usb_endpoint *ep, int force, int can_sleep if (!force && ep->chip->shutdown) /* to be sure... */ return -EBADFD; - async = !can_sleep && ep->chip->async_unlink; + async = !can_sleep; clear_bit(EP_FLAG_RUNNING, &ep->flags); diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index ef42797f56fb..1ac3fd9cc5a6 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -56,7 +56,6 @@ struct snd_usb_audio { int setup; /* from the 'device_setup' module param */ int nrpacks; /* from the 'nrpacks' module param */ - int async_unlink; /* from the 'async_unlink' module param */ struct usb_host_interface *ctrl_intf; /* the audio control interface */ }; |