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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>
This commit is contained in:
Pavel Hofman 2022-01-27 12:43:29 +01:00 committed by Greg Kroah-Hartman
parent 4ed941a999
commit a857c42fca
1 changed files with 15 additions and 0 deletions
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15
drivers/usb/gadget/legacy/audio.c
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@ -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