diff options
Diffstat (limited to 'drivers/staging/media/as102/as102_usb_drv.c')
-rw-r--r-- | drivers/staging/media/as102/as102_usb_drv.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/staging/media/as102/as102_usb_drv.c b/drivers/staging/media/as102/as102_usb_drv.c index d775be0173ea..0f6bfe7eccba 100644 --- a/drivers/staging/media/as102/as102_usb_drv.c +++ b/drivers/staging/media/as102/as102_usb_drv.c @@ -57,6 +57,17 @@ static const char * const as102_device_names[] = { NULL /* Terminating entry */ }; +/* eLNA configuration: devices built on the reference design work best + with 0xA0, while custom designs seem to require 0xC0 */ +static uint8_t const as102_elna_cfg[] = { + 0xA0, + 0xC0, + 0xC0, + 0xA0, + 0xA0, + 0x00 /* Terminating entry */ +}; + struct usb_driver as102_usb_driver = { .name = DRIVER_FULL_NAME, .probe = as102_usb_probe, @@ -270,6 +281,8 @@ static int as102_alloc_usb_stream_buffer(struct as102_dev_t *dev) } urb->transfer_buffer = dev->stream + (i * AS102_USB_BUF_SIZE); + urb->transfer_dma = dev->dma_addr + (i * AS102_USB_BUF_SIZE); + urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; urb->transfer_buffer_length = AS102_USB_BUF_SIZE; dev->stream_urb[i] = urb; @@ -369,8 +382,10 @@ static int as102_usb_probe(struct usb_interface *intf, /* Assign the user-friendly device name */ for (i = 0; i < (sizeof(as102_usb_id_table) / sizeof(struct usb_device_id)); i++) { - if (id == &as102_usb_id_table[i]) + if (id == &as102_usb_id_table[i]) { as102_dev->name = as102_device_names[i]; + as102_dev->elna_cfg = as102_elna_cfg[i]; + } } if (as102_dev->name == NULL) |