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usb: gadget: f_uac2: Add HS/SS bInterval to configfs

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Allow configuring the HS/SS bInterval through configfs, via
parameters p_hs_bint/c_hs_bint separately for playback/capture.

The default param values are left at the original 4.

Suggested-by: John Keeping <john@metanate.com>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20220127114331.41367-2-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pavel Hofman
2022-01-27 12:43:28 +01:00
committed by Greg Kroah-Hartman
parent e1f09f409f
commit 4ed941a999
4 changed files with 35 additions and 4 deletions
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4
drivers/usb/gadget/function/u_uac2.h
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@@ -19,9 +19,11 @@
#define UAC2_DEF_PCHMASK 0x3
#define UAC2_DEF_PSRATE 48000
#define UAC2_DEF_PSSIZE 2
#define UAC2_DEF_PHSBINT 4
#define UAC2_DEF_CCHMASK 0x3
#define UAC2_DEF_CSRATE 64000
#define UAC2_DEF_CSSIZE 2
#define UAC2_DEF_CHSBINT 4
#define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC
#define UAC2_DEF_MUTE_PRESENT 1
@@ -38,10 +40,12 @@ struct f_uac2_opts {
int p_chmask;
int p_srates[UAC_MAX_RATES];
int p_ssize;
u8 p_hs_bint;
int c_chmask;
int c_srates[UAC_MAX_RATES];
int c_ssize;
int c_sync;
u8 c_hs_bint;
bool p_mute_present;
bool p_volume_present;