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[media] mceusb: add support for cx231xx-based IR (e. g. Polaris)

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For now, it adds support for Conexant EVK and for Pixelview.
We should probably find a better way to specify all Conexant
Polaris devices, to avoid needing to repeat this setup on
both mceusb and cx231xx-cards.

Reviewed-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Sri Devi <Srinivasa.Deevi@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-10-18 16:32:50 -03:00
parent 9efd85dfff
commit 56e92f60c3
1 changed files with 16 additions and 0 deletions
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16
drivers/media/IR/mceusb.c
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@ -104,6 +104,7 @@ static int debug;
#define VENDOR_NORTHSTAR 0x04eb
#define VENDOR_REALTEK 0x0bda
#define VENDOR_TIVO 0x105a
#define VENDOR_CONEXANT 0x0572
static struct usb_device_id mceusb_dev_table[] = {
/* Original Microsoft MCE IR Transceiver (often HP-branded) */
@ -198,6 +199,8 @@ static struct usb_device_id mceusb_dev_table[] = {
{ USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) },
/* TiVo PC IR Receiver */
{ USB_DEVICE(VENDOR_TIVO, 0x2000) },
/* Conexant SDK */
{ USB_DEVICE(VENDOR_CONEXANT, 0x58a1) },
/* Terminating entry */
{ }
};
@ -229,6 +232,11 @@ static struct usb_device_id std_tx_mask_list[] = {
{}
};
static struct usb_device_id cx_polaris_list[] = {
{ USB_DEVICE(VENDOR_CONEXANT, 0x58a1) },
{}
};
/* data structure for each usb transceiver */
struct mceusb_dev {
/* ir-core bits */
@ -929,6 +937,7 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf,
bool is_gen3;
bool is_microsoft_gen1;
bool tx_mask_inverted;
bool is_polaris;
dev_dbg(&intf->dev, ": %s called\n", __func__);
@ -937,6 +946,13 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf,
is_gen3 = usb_match_id(intf, gen3_list) ? 1 : 0;
is_microsoft_gen1 = usb_match_id(intf, microsoft_gen1_list) ? 1 : 0;
tx_mask_inverted = usb_match_id(intf, std_tx_mask_list) ? 0 : 1;
is_polaris = usb_match_id(intf, cx_polaris_list) ? 1 : 0;
if (is_polaris) {
/* Interface 0 is IR */
if (idesc->desc.bInterfaceNumber)
return -ENODEV;
}
/* step through the endpoints to find first bulk in and out endpoint */
for (i = 0; i < idesc->desc.bNumEndpoints; ++i) {