From 7632efd1dece10d859be1a07b778baaf59976ea6 Mon Sep 17 00:00:00 2001 From: Heiko Stuebner Date: Sun, 4 Sep 2011 19:45:30 +0200 Subject: [PATCH] s3c-hsudc: implement vbus_draw hook When a transceiver is available use otg_set_power to submit the target current to it. Signed-off-by: Heiko Stuebner --- drivers/usb/gadget/s3c-hsudc.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index 3e96cc5..8b6336d 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -1241,10 +1241,24 @@ static int s3c_hsudc_gadget_getframe(struct usb_gadget *gadget) return s3c_hsudc_read_frameno(to_hsudc(gadget)); } +static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA) +{ + struct s3c_hsudc *hsudc = the_controller; + + if (!hsudc) + return -ENODEV; + + if (hsudc->transceiver) + return otg_set_power(hsudc->transceiver, mA); + + return -EOPNOTSUPP; +} + static struct usb_gadget_ops s3c_hsudc_gadget_ops = { .get_frame = s3c_hsudc_gadget_getframe, .start = s3c_hsudc_start, .stop = s3c_hsudc_stop, + .vbus_draw = s3c_hsudc_vbus_draw, }; static int s3c_hsudc_probe(struct platform_device *pdev) -- 1.7.2.3