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authorPavel Hofman <pavel.hofman@ivitera.com>2022-01-27 12:43:29 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-31 14:26:18 +0100
commita857c42fca8cf931844bd97ff7520ddcbd549e71 (patch)
tree15d9a163e1ecc3e14657db8bae8b2385567adeff /drivers/usb/gadget/legacy
parentusb: gadget: f_uac2: Add HS/SS bInterval to configfs (diff)
downloadlinux-a857c42fca8cf931844bd97ff7520ddcbd549e71.tar.xz
linux-a857c42fca8cf931844bd97ff7520ddcbd549e71.zip
usb: gadget: audio: Add HS/SS bInterval params for UAC2
Allow configuring the existing f_uac2 configfs bInterval params through parameters of the gaudio module. Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com> Link: https://lore.kernel.org/r/20220127114331.41367-3-pavel.hofman@ivitera.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/legacy')
-rw-r--r--drivers/usb/gadget/legacy/audio.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c
index c89c777a1aa3..76ea6decf7b6 100644
--- a/drivers/usb/gadget/legacy/audio.c
+++ b/drivers/usb/gadget/legacy/audio.c
@@ -36,6 +36,12 @@ static int p_ssize = UAC2_DEF_PSSIZE;
module_param(p_ssize, uint, 0444);
MODULE_PARM_DESC(p_ssize, "Playback Sample Size(bytes)");
+/* Playback bInterval for HS/SS (1-4: fixed, 0: auto) */
+static u8 p_hs_bint = UAC2_DEF_PHSBINT;
+module_param(p_hs_bint, byte, 0444);
+MODULE_PARM_DESC(p_hs_bint,
+ "Playback bInterval for HS/SS (1-4: fixed, 0: auto)");
+
/* Capture(USB-OUT) Default Stereo - Fl/Fr */
static int c_chmask = UAC2_DEF_CCHMASK;
module_param(c_chmask, uint, 0444);
@@ -51,6 +57,13 @@ MODULE_PARM_DESC(c_srate, "Capture Sampling Rates (array)");
static int c_ssize = UAC2_DEF_CSSIZE;
module_param(c_ssize, uint, 0444);
MODULE_PARM_DESC(c_ssize, "Capture Sample Size(bytes)");
+
+/* capture bInterval for HS/SS (1-4: fixed, 0: auto) */
+static u8 c_hs_bint = UAC2_DEF_CHSBINT;
+module_param(c_hs_bint, byte, 0444);
+MODULE_PARM_DESC(c_hs_bint,
+ "Capture bInterval for HS/SS (1-4: fixed, 0: auto)");
+
#else
#ifndef CONFIG_GADGET_UAC1_LEGACY
#include "u_uac1.h"
@@ -274,12 +287,14 @@ static int audio_bind(struct usb_composite_dev *cdev)
uac2_opts->p_srates[i] = p_srates[i];
uac2_opts->p_ssize = p_ssize;
+ uac2_opts->p_hs_bint = p_hs_bint;
uac2_opts->c_chmask = c_chmask;
for (i = 0; i < c_srates_cnt; ++i)
uac2_opts->c_srates[i] = c_srates[i];
uac2_opts->c_ssize = c_ssize;
+ uac2_opts->c_hs_bint = c_hs_bint;
uac2_opts->req_number = UAC2_DEF_REQ_NUM;
#else
#ifndef CONFIG_GADGET_UAC1_LEGACY