summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/function/f_uac2.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-04 07:50:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-04 07:50:43 -0700
commit048ff8629e117d8411a787559417c781bcd78d7e (patch)
tree2cff07ed5c13a096d1c880139873870146cca74a /drivers/usb/gadget/function/f_uac2.c
parent7ddb58cb0ecae8e8b6181d736a87667cc9ab8389 (diff)
parenta0548b26901f082684ad1fb3ba397d2de3a1406a (diff)
Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH: "Here is the big set of USB and Thunderbolt driver updates for 5.16-rc1. Nothing major in here, just lots of little cleanups and additions for new hardware, all of which have been in linux-next for a while with no reported problems. Included in here are: - tiny Thunderbolt driver updates - USB typec driver updates - USB serial driver updates - USB gadget driver updates - dwc2 and dwc3 controller driver updates - tiny USB host driver updates - minor USB driver fixes and updates - USB dts updates for various platforms" * tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (123 commits) usb: gadget: Mark USB_FSL_QE broken on 64-bit usb: gadget: f_mass_storage: Disable eps during disconnect usb: gadget: udc: core: Revise comments for USB ep enable/disable USB: serial: keyspan: fix memleak on probe errors USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send() USB: serial: ch314: use usb_control_msg_recv() USB: iowarrior: fix control-message timeouts Documentation: USB: fix example bulk-message timeout usb: dwc2: stm32mp15: set otg_rev usb: dwc2: add otg_rev and otg_caps information for gadget driver dt-bindings: usb: dwc2: adopt otg properties defined in usb-drd.yaml dt-bindings: usb: dwc2: Add reference to usb-drd.yaml usb: gadget: uvc: implement dwPresentationTime and scrSourceClock usb: gadget: uvc: use on returned header len in video_encode_isoc_sg usb:gadget: f_uac1: fixed sync playback Docs: usb: remove :c:func: for usb_register and usb_deregister Docs: usb: update struct usb_driver usb: gadget: configfs: change config attributes file operation usb: gadget: configfs: add cfg_to_gadget_info() helper usb: dwc3: Align DWC3_EP_* flag macros ...
Diffstat (limited to 'drivers/usb/gadget/function/f_uac2.c')
-rw-r--r--drivers/usb/gadget/function/f_uac2.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index ef55b8bb5870..36fa6ef0581b 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include "u_audio.h"
+
#include "u_uac2.h"
/* UAC2 spec: 4.1 Audio Channel Cluster Descriptor */
@@ -674,8 +675,9 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
ssize = uac2_opts->c_ssize;
}
- if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) {
- // Win10 requires max packet size + 1 frame
+ if (is_playback || (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) {
+ // playback is always async, capture only when configured
+ // Win10 requires max packet size + 1 frame
srate = srate * (1000 + uac2_opts->fb_max) / 1000;
// updated srate is always bigger, therefore DIV_ROUND_UP always yields +1
max_size_bw = num_channels(chmask) * ssize *
@@ -760,15 +762,15 @@ static void setup_headers(struct f_uac2_opts *opts,
headers[i++] = USBDHDR(&out_clk_src_desc);
headers[i++] = USBDHDR(&usb_out_it_desc);
- if (FUOUT_EN(opts))
- headers[i++] = USBDHDR(out_feature_unit_desc);
- }
+ if (FUOUT_EN(opts))
+ headers[i++] = USBDHDR(out_feature_unit_desc);
+ }
if (EPIN_EN(opts)) {
headers[i++] = USBDHDR(&io_in_it_desc);
- if (FUIN_EN(opts))
- headers[i++] = USBDHDR(in_feature_unit_desc);
+ if (FUIN_EN(opts))
+ headers[i++] = USBDHDR(in_feature_unit_desc);
headers[i++] = USBDHDR(&usb_in_ot_desc);
}
@@ -776,10 +778,10 @@ static void setup_headers(struct f_uac2_opts *opts,
if (EPOUT_EN(opts))
headers[i++] = USBDHDR(&io_out_ot_desc);
- if (FUOUT_EN(opts) || FUIN_EN(opts))
- headers[i++] = USBDHDR(ep_int_desc);
+ if (FUOUT_EN(opts) || FUIN_EN(opts))
+ headers[i++] = USBDHDR(ep_int_desc);
- if (EPOUT_EN(opts)) {
+ if (EPOUT_EN(opts)) {
headers[i++] = USBDHDR(&std_as_out_if0_desc);
headers[i++] = USBDHDR(&std_as_out_if1_desc);
headers[i++] = USBDHDR(&as_out_hdr_desc);
@@ -1931,7 +1933,7 @@ static struct usb_function_instance *afunc_alloc_inst(void)
opts->c_volume_res = UAC2_DEF_RES_DB;
opts->req_number = UAC2_DEF_REQ_NUM;
- opts->fb_max = UAC2_DEF_FB_MAX;
+ opts->fb_max = FBACK_FAST_MAX;
return &opts->func_inst;
}