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| author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2019-08-20 04:36:12 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-08-28 13:04:59 +0300 |
| commit | cca3854010c5aebf3a06be0de04f26c4f1ae5810 (patch) | |
| tree | 7b5fe59205bb30fa6df0d6cb1c174ca400d4a178 /include/uapi/linux/usb | |
| parent | 54fb5ba647f8f942e372dee45025bce4adc08c38 (diff) | |
| download | linux-cca3854010c5aebf3a06be0de04f26c4f1ae5810.tar.xz | |
usb: gadget: composite: Set recommended BESL values
Set the recommended BESL deep and baseline values based on the gadget's
configuration parameters to the extended BOS descriptor. This feature
helps to optimize power savings by maximizing the opportunity for longer
L1 residency time.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'include/uapi/linux/usb')
| -rw-r--r-- | include/uapi/linux/usb/ch9.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index d5a5caec8fbc..2b623f36af6b 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -894,6 +894,8 @@ struct usb_ext_cap_descriptor { /* Link Power Management */ #define USB_BESL_SUPPORT (1 << 2) /* supports BESL */ #define USB_BESL_BASELINE_VALID (1 << 3) /* Baseline BESL valid*/ #define USB_BESL_DEEP_VALID (1 << 4) /* Deep BESL valid */ +#define USB_SET_BESL_BASELINE(p) (((p) & 0xf) << 8) +#define USB_SET_BESL_DEEP(p) (((p) & 0xf) << 12) #define USB_GET_BESL_BASELINE(p) (((p) & (0xf << 8)) >> 8) #define USB_GET_BESL_DEEP(p) (((p) & (0xf << 12)) >> 12) } __attribute__((packed)); |