diff options
| author | Luo Andy <yifei.luo@intel.com> | 2010-11-23 03:41:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-01 01:50:36 +0100 |
| commit | 7fc56f0d9908fe140a01387d59954e3d0a2e7744 (patch) | |
| tree | 88cbdeeacff090643c8b2dc6e44df82b2d1f2b6b /drivers | |
| parent | usb: composite gadget: set vbus_draw current limitation during suspend (diff) | |
| download | linux-7fc56f0d9908fe140a01387d59954e3d0a2e7744.tar.xz linux-7fc56f0d9908fe140a01387d59954e3d0a2e7744.zip | |
usb: gadget: langwell_udc: add usb test mode support
This patch adds test mode support for Langwell gadget driver.
Signed-off-by: Henry Yuan <hang.yuan@intel.com>
Signed-off-by: Andy Luo <yifei.luo@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/langwell_udc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index b8ec954c0692..777972454e3e 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -2225,6 +2225,7 @@ static void handle_setup_packet(struct langwell_udc *dev, u16 wValue = le16_to_cpu(setup->wValue); u16 wIndex = le16_to_cpu(setup->wIndex); u16 wLength = le16_to_cpu(setup->wLength); + u32 portsc1; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); @@ -2313,6 +2314,28 @@ static void handle_setup_packet(struct langwell_udc *dev, dev->dev_status &= ~(1 << wValue); } break; + case USB_DEVICE_TEST_MODE: + dev_dbg(&dev->pdev->dev, "SETUP: TEST MODE\n"); + if ((wIndex & 0xff) || + (dev->gadget.speed != USB_SPEED_HIGH)) + ep0_stall(dev); + + switch (wIndex >> 8) { + case TEST_J: + case TEST_K: + case TEST_SE0_NAK: + case TEST_PACKET: + case TEST_FORCE_EN: + if (prime_status_phase(dev, EP_DIR_IN)) + ep0_stall(dev); + portsc1 = readl(&dev->op_regs->portsc1); + portsc1 |= (wIndex & 0xf00) << 8; + writel(portsc1, &dev->op_regs->portsc1); + goto end; + default: + rc = -EOPNOTSUPP; + } + break; default: rc = -EOPNOTSUPP; break; |