Re: [RFC 2/2] usb: gadget: composite: parse dt overrides
From: Michal Nazarewicz <hidden>
Date: 2012-06-25 21:30:42
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On Mon, 25 Jun 2012 22:23:52 +0200, Alexandre Pereira da Silva [off-list ref] wrote:
Grab the devicetree node properties to override VendorId, ProductId, bcdDevice, Manucacturer, Product and SerialNumber Signed-off-by: Alexandre Pereira da Silva <redacted>
Acked-by: Michal Nazarewicz <redacted>
quoted hunk ↗ jump to hunk
@@ -1470,6 +1472,35 @@ static int composite_bind(struct usb_gadget *gadget)cdev->desc = *composite->dev; + /* grab overrides from devicetree */ + if (np) { + u32 reg; + + if (!idVendor && + of_property_read_u32(np, "vendor_id", ®) == 0) + idVendor = reg; + + if (!idProduct && + of_property_read_u32(np, "product_id", ®) == 0) + idProduct = reg; + + if (!bcdDevice && + of_property_read_u32(np, "bcd_device", ®) == 0) + bcdDevice = reg; + + if (!iManufacturer) + of_property_read_string(np, "manufacturer", + &iManufacturer); + + if (!iProduct) + of_property_read_string(np, "product", + &iProduct); + + if (!iSerialNumber) + of_property_read_string(np, "serial_number", + &iSerialNumber); + } + /* standardized runtime overrides for device ID data */ if (idVendor) cdev->desc.idVendor = cpu_to_le16(idVendor);
-- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, Michał “mina86” Nazarewicz (o o) ooo +----<email/xmpp: mpn@google.com>--------------ooO--(_)--Ooo--