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| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2011-07-07 02:58:20 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-07-09 00:08:38 +0200 |
| commit | 8ca137562a79f573f822f5a84a4e56a0d8cc6792 (patch) | |
| tree | cf5a8e8e6233fc7bada218e9e040a19d5fcb13e3 /drivers/usb/gadget/r8a66597-udc.c | |
| parent | usb: gadget: zero: add superspeed support (diff) | |
| download | linux-8ca137562a79f573f822f5a84a4e56a0d8cc6792.tar.xz linux-8ca137562a79f573f822f5a84a4e56a0d8cc6792.zip | |
usb: gadget: r8a66597-udc: add pullup function
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/r8a66597-udc.c')
| -rw-r--r-- | drivers/usb/gadget/r8a66597-udc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index b8b30059f8af..50991e5bd5e8 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -1518,10 +1518,26 @@ static int r8a66597_get_frame(struct usb_gadget *_gadget) return r8a66597_read(r8a66597, FRMNUM) & 0x03FF; } +static int r8a66597_pullup(struct usb_gadget *gadget, int is_on) +{ + struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget); + unsigned long flags; + + spin_lock_irqsave(&r8a66597->lock, flags); + if (is_on) + r8a66597_bset(r8a66597, DPRPU, SYSCFG0); + else + r8a66597_bclr(r8a66597, DPRPU, SYSCFG0); + spin_unlock_irqrestore(&r8a66597->lock, flags); + + return 0; +} + static struct usb_gadget_ops r8a66597_gadget_ops = { .get_frame = r8a66597_get_frame, .start = r8a66597_start, .stop = r8a66597_stop, + .pullup = r8a66597_pullup, }; static int __exit r8a66597_remove(struct platform_device *pdev) |