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composite: add COMPOSITE_DEVICES config for composite device 

Add COMPOSITE_DEVICES configuration so that external composite
devices can also know the maximum number of supported classes.
The default COMPOSITE_DEVICES number is 8.

Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>
This commit is contained in:
zhangyuan21 2023-08-08 14:54:48 +08:00 committed by Xiang Xiao
parent dc0b0d6b4c
commit 5af40a6fa4
2 changed files with 7 additions and 1 deletions
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6
drivers/usbdev/Kconfig
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@ -265,6 +265,12 @@ config COMPOSITE_MSFT_OS_DESCRIPTORS
Enabling this feature in composite driver will pass these requests Enabling this feature in composite driver will pass these requests
onwards to the interface drivers. onwards to the interface drivers.
config COMPOSITE_DEVICES
int "Max class object for composite device"
default 8
---help---
Composite device class object number.
endif endif
config PL2303 config PL2303

2
drivers/usbdev/composite.h
View File

@ -40,7 +40,7 @@
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_USBDEV_COMPOSITE #ifdef CONFIG_USBDEV_COMPOSITE
# define NUM_DEVICES_TO_HANDLE (8) # define NUM_DEVICES_TO_HANDLE (CONFIG_COMPOSITE_DEVICES)
#else #else
# define NUM_DEVICES_TO_HANDLE (1) # define NUM_DEVICES_TO_HANDLE (1)
#endif #endif