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authorOlof Johansson <olof@lixom.net>2012-09-20 20:19:32 (GMT)
committerOlof Johansson <olof@lixom.net>2012-09-20 20:22:20 (GMT)
commit2843c7d2c03da38dfb14102254d0c767d2483349 (patch)
tree8698671fd889ed9d6237cf9ea093e8bb1fc999b3 /sound/usb/endpoint.c
parent084cfebc03ede864835594181210b501aa9f1933 (diff)
parent6bfc82ff589a00e5fbc12b958c649d703d273c86 (diff)
downloadlinux-fsl-qoriq-2843c7d2c03da38dfb14102254d0c767d2483349.tar.xz
Merge tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Device tree related changes for omaps. Note that this branch is based on omap-cleanup-sparseirq-for-v3.7 to avoid merge conflicts with the sparseirq changes for gpio-twl4030 driver. * tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: arm/dts: Mux uart pins for omap4-sdp ARM: OMAP2+: select PINCTRL in Kconfig arm/dts: Add pinctrl driver entries for omap2/3/4 arm/dts: Add omap36xx.dtsi file and rename omap3-beagle to omap3-beagle-xm ARM: dts: omap3-overo: Add support for the blue LED Documentation: dt: Update the OMAP documentation with Overo/Toby ARM: dts: OMAP3: Add support for Gumstix Overo with Tobi expansion board ARM: dts: OMAP4: Add reg and interrupts for every nodes ARM: dts: AM33XX: Specify reg and interrupt property for all nodes ARM: dts: AM33XX: Convert all hex numbers to lower-case ARM: dts: omap3-beagle: Enable audio support ARM: dts: omap5: Add McPDM and DMIC section to the dtsi file ARM: dts: omap5: Add McBSP entries ARM: dts: omap4: Add reg-names for McPDM and DMIC ARM: dts: omap4: Add McBSP entries ARM: dts: omap3: Add McBSP entries ARM: dts: omap2420-h4: Include omap2420.dtsi file instead the common omap2 ARM: dts: omap2: Add McBSP entries for OMAP2420 and OMAP2430 SoC ARM: dts: omap3-beagle: Add heartbeat and mmc LEDs support ARM: dts: omap3: Add gpio-twl4030 properties for BeagleBoard and omap3-EVM ...
Diffstat (limited to 'sound/usb/endpoint.c')
-rw-r--r--sound/usb/endpoint.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index c411812..d6e2bb4 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -141,7 +141,7 @@ int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep)
*
* For implicit feedback, next_packet_size() is unused.
*/
-static int next_packet_size(struct snd_usb_endpoint *ep)
+int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
{
unsigned long flags;
int ret;
@@ -177,15 +177,6 @@ static void retire_inbound_urb(struct snd_usb_endpoint *ep,
ep->retire_data_urb(ep->data_subs, urb);
}
-static void prepare_outbound_urb_sizes(struct snd_usb_endpoint *ep,
- struct snd_urb_ctx *ctx)
-{
- int i;
-
- for (i = 0; i < ctx->packets; ++i)
- ctx->packet_size[i] = next_packet_size(ep);
-}
-
/*
* Prepare a PLAYBACK urb for submission to the bus.
*/
@@ -370,7 +361,6 @@ static void snd_complete_urb(struct urb *urb)
goto exit_clear;
}
- prepare_outbound_urb_sizes(ep, ctx);
prepare_outbound_urb(ep, ctx);
} else {
retire_inbound_urb(ep, ctx);
@@ -799,7 +789,9 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
/**
* snd_usb_endpoint_start: start an snd_usb_endpoint
*
- * @ep: the endpoint to start
+ * @ep: the endpoint to start
+ * @can_sleep: flag indicating whether the operation is executed in
+ * non-atomic context
*
* A call to this function will increment the use count of the endpoint.
* In case it is not already running, the URBs for this endpoint will be
@@ -809,7 +801,7 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
*
* Returns an error if the URB submission failed, 0 in all other cases.
*/
-int snd_usb_endpoint_start(struct snd_usb_endpoint *ep)
+int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, int can_sleep)
{
int err;
unsigned int i;
@@ -821,6 +813,11 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep)
if (++ep->use_count != 1)
return 0;
+ /* just to be sure */
+ deactivate_urbs(ep, 0, can_sleep);
+ if (can_sleep)
+ wait_clear_urbs(ep);
+
ep->active_mask = 0;
ep->unlink_mask = 0;
ep->phase = 0;
@@ -850,7 +847,6 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep)
goto __error;
if (usb_pipeout(ep->pipe)) {
- prepare_outbound_urb_sizes(ep, urb->context);
prepare_outbound_urb(ep, urb->context);
} else {
prepare_inbound_urb(ep, urb->context);