Merge branch 'for-linus' into for-next

[linux-2.6-microblaze.git] / sound / usb / card.c

diff --git a/sound/usb/card.c b/sound/usb/card.c
index cf8f395..fd570a4 100644 (file)
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -68,6 +68,7 @@ static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
 static int device_setup[SNDRV_CARDS]; /* device parameter for this card */
 static bool ignore_ctl_error;
 static bool autoclock = true;
+static bool lowlatency = true;
 static char *quirk_alias[SNDRV_CARDS];
 static char *delayed_register[SNDRV_CARDS];
 static bool implicit_fb[SNDRV_CARDS];
@@ -93,6 +94,8 @@ MODULE_PARM_DESC(ignore_ctl_error,
                 "Ignore errors from USB controller for mixer interfaces.");
 module_param(autoclock, bool, 0444);
 MODULE_PARM_DESC(autoclock, "Enable auto-clock selection for UAC2 devices (default: yes).");
+module_param(lowlatency, bool, 0444);
+MODULE_PARM_DESC(lowlatency, "Enable low latency playback (default: yes).");
 module_param_array(quirk_alias, charp, NULL, 0444);
 MODULE_PARM_DESC(quirk_alias, "Quirk aliases, e.g. 0123abcd:5678beef.");
 module_param_array(delayed_register, charp, NULL, 0444);
@@ -623,6 +626,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
        chip->setup = device_setup[idx];
        chip->generic_implicit_fb = implicit_fb[idx];
        chip->autoclock = autoclock;
+       chip->lowlatency = lowlatency;
        atomic_set(&chip->active, 1); /* avoid autopm during probing */
        atomic_set(&chip->usage_count, 0);
        atomic_set(&chip->shutdown, 0);