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authorMichael Krufky <mkrufky@kernellabs.com>2010-01-31 21:06:10 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-18 00:47:06 -0300
commit4605664bd94ed94ab65a00bc7c749704304cfd40 (patch)
tree05397774fa18a130567e36610bbd75852f3649f6 /drivers/media/dvb/dvb-usb/dvb-usb.h
parent727e625cc2c114e449a78f851b0c12edac897a83 (diff)
downloadop-kernel-dev-4605664bd94ed94ab65a00bc7c749704304cfd40.zip
op-kernel-dev-4605664bd94ed94ab65a00bc7c749704304cfd40.tar.gz
V4L/DVB: dvb-usb: enable specifying a separate generic bulk ctrl response endpoint
Some DVB USB devices use a separate endpoint for responses to control messages sent with bulk transfers via the generic_bulk_ctrl_endpoint. When generic_bulk_ctrl_endpoint_response is set, it will be used instead of the generic_bulk_ctrl_endpoint when reading usb responses in the dvb_usb_generic_rw helper function. Signed-off-by: Michael Krufky <mkrufky@kernellabs.com> Reviewed-by: Patrick Boettcher <pboettcher@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb.h')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index 0143aef..4a9f676 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -198,6 +198,12 @@ struct dvb_usb_adapter_properties {
* is non-zero, one can use dvb_usb_generic_rw and dvb_usb_generic_write-
* helper functions.
*
+ * @generic_bulk_ctrl_endpoint_response: some DVB USB devices use a separate
+ * endpoint for responses to control messages sent with bulk transfers via
+ * the generic_bulk_ctrl_endpoint. When this is non-zero, this will be used
+ * instead of the generic_bulk_ctrl_endpoint when reading usb responses in
+ * the dvb_usb_generic_rw helper function.
+ *
* @num_device_descs: number of struct dvb_usb_device_description in @devices
* @devices: array of struct dvb_usb_device_description compatibles with these
* properties.
@@ -239,6 +245,7 @@ struct dvb_usb_device_properties {
struct i2c_algorithm *i2c_algo;
int generic_bulk_ctrl_endpoint;
+ int generic_bulk_ctrl_endpoint_response;
int num_device_descs;
struct dvb_usb_device_description devices[12];
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