From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/usb/gadget/legacy/audio.c | 41 +++++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 19 deletions(-) (limited to 'drivers/usb/gadget/legacy/audio.c') diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c index f289caf18..685cf3b4b 100644 --- a/drivers/usb/gadget/legacy/audio.c +++ b/drivers/usb/gadget/legacy/audio.c @@ -15,7 +15,6 @@ #include #include -#include "gadget_chips.h" #define DRIVER_DESC "Linux USB Audio Gadget" #define DRIVER_VERSION "Feb 2, 2012" @@ -124,7 +123,7 @@ static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x200), + .bcdUSB = cpu_to_le16(0x200), #ifdef CONFIG_GADGET_UAC1 .bDeviceClass = USB_CLASS_PER_INTERFACE, @@ -141,8 +140,8 @@ static struct usb_device_descriptor device_desc = { * we support. (As does bNumConfigurations.) These values can * also be overridden by module parameters. */ - .idVendor = __constant_cpu_to_le16(AUDIO_VENDOR_NUM), - .idProduct = __constant_cpu_to_le16(AUDIO_PRODUCT_NUM), + .idVendor = cpu_to_le16(AUDIO_VENDOR_NUM), + .idProduct = cpu_to_le16(AUDIO_PRODUCT_NUM), /* .bcdDevice = f(hardware) */ /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ @@ -150,20 +149,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -259,14 +245,28 @@ static int audio_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto fail; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &audio_config_driver, audio_do_config); if (status < 0) - goto fail; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); INFO(cdev, "%s, version: %s\n", DRIVER_DESC, DRIVER_VERSION); return 0; +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: #ifndef CONFIG_GADGET_UAC1 usb_put_function_instance(fi_uac2); @@ -289,6 +289,9 @@ static int audio_unbind(struct usb_composite_dev *cdev) if (!IS_ERR_OR_NULL(fi_uac2)) usb_put_function_instance(fi_uac2); #endif + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } -- cgit v1.2.3-54-g00ecf