diff options
| author | Hemant Kumar <hemantk@codeaurora.org> | 2016-08-18 18:29:59 -0700 |
|---|---|---|
| committer | Hemant Kumar <hemantk@codeaurora.org> | 2016-09-19 17:35:44 -0700 |
| commit | a778927e2c30bce8bf7bb47abdbb5c76f673ec3a (patch) | |
| tree | df7efd56f066004506d8419eca2483752c85ddc7 /drivers/usb | |
| parent | 4e2a8a0fa1c78712904312e13ef33d02be78d421 (diff) | |
usb: gadget: Enable L1 suspend by default
Currently L1 suspend is disabled. Superspeed capable
device needs to support L1 suspend in HS/FS/LS mode.
Also, add module parameter to disable L1 suspend in
High speed mode.
Change-Id: Ie8e7f3949d276325305799640f2775343bd6b9da
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/composite.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a99405261306..1a1bd460205c 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -35,9 +35,10 @@ (speed == USB_SPEED_SUPER ?\ SSUSB_GADGET_VBUS_DRAW : CONFIG_USB_GADGET_VBUS_DRAW) -static bool enable_l1_for_hs; -module_param(enable_l1_for_hs, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(enable_l1_for_hs, "Enable support for L1 LPM for HS devices"); +static bool disable_l1_for_hs; +module_param(disable_l1_for_hs, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(disable_l1_for_hs, + "Disable support for L1 LPM for HS devices"); /** * struct usb_os_string - represents OS String to be reported by a gadget @@ -1637,13 +1638,12 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) if (gadget->speed >= USB_SPEED_SUPER) { cdev->desc.bcdUSB = cpu_to_le16(0x0310); cdev->desc.bMaxPacketSize0 = 9; - } else if (gadget->l1_supported || - enable_l1_for_hs) { + } else if (!disable_l1_for_hs) { cdev->desc.bcdUSB = cpu_to_le16(0x0210); DBG(cdev, "Config HS device with LPM(L1)\n"); } - } else if (gadget->l1_supported) { + } else if (!disable_l1_for_hs) { cdev->desc.bcdUSB = cpu_to_le16(0x0210); DBG(cdev, "Config HS device with LPM(L1)\n"); } @@ -1678,7 +1678,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) case USB_DT_BOS: if ((gadget_is_superspeed(gadget) && (gadget->speed >= USB_SPEED_SUPER)) - || gadget->l1_supported) { + || !disable_l1_for_hs) { value = bos_desc(cdev); value = min(w_length, (u16) value); } |