[media] dvb-usb: refactor MFE code for individual streaming config per frontend
refactor MFE code to allow for individual streaming configuration
for each frontend
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index f9af348..169196e 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -29,7 +29,7 @@
static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs)
{
struct dvb_usb_adapter *adap;
- int ret, n;
+ int ret, n, o;
for (n = 0; n < d->props.num_adapters; n++) {
adap = &d->adapter[n];
@@ -38,31 +38,42 @@
memcpy(&adap->props, &d->props.adapter[n], sizeof(struct dvb_usb_adapter_properties));
+ for (o = 0; o < adap->props.num_frontends; o++) {
+ struct dvb_usb_adapter_fe_properties *props = &adap->props.fe[o];
/* speed - when running at FULL speed we need a HW PID filter */
- if (d->udev->speed == USB_SPEED_FULL && !(adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
+ if (d->udev->speed == USB_SPEED_FULL && !(props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
err("This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)");
return -ENODEV;
}
- if ((d->udev->speed == USB_SPEED_FULL && adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
- (adap->props.caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
- info("will use the device's hardware PID filter (table count: %d).", adap->props.pid_filter_count);
- adap->pid_filtering = 1;
- adap->max_feed_count = adap->props.pid_filter_count;
+ if ((d->udev->speed == USB_SPEED_FULL && props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
+ (props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
+ info("will use the device's hardware PID filter (table count: %d).", props->pid_filter_count);
+ adap->fe_adap[o].pid_filtering = 1;
+ adap->fe_adap[o].max_feed_count = props->pid_filter_count;
} else {
info("will pass the complete MPEG2 transport stream to the software demuxer.");
- adap->pid_filtering = 0;
- adap->max_feed_count = 255;
+ adap->fe_adap[o].pid_filtering = 0;
+ adap->fe_adap[o].max_feed_count = 255;
}
- if (!adap->pid_filtering &&
+ if (!adap->fe_adap[o].pid_filtering &&
dvb_usb_force_pid_filter_usage &&
- adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER) {
+ props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
info("pid filter enabled by module option.");
- adap->pid_filtering = 1;
- adap->max_feed_count = adap->props.pid_filter_count;
+ adap->fe_adap[o].pid_filtering = 1;
+ adap->fe_adap[o].max_feed_count = props->pid_filter_count;
}
+ if (props->size_of_priv > 0) {
+ adap->fe_adap[o].priv = kzalloc(props->size_of_priv, GFP_KERNEL);
+ if (adap->fe_adap[o].priv == NULL) {
+ err("no memory for priv for adapter %d fe %d.", n, o);
+ return -ENOMEM;
+ }
+ }
+ }
+
if (adap->props.size_of_priv > 0) {
adap->priv = kzalloc(adap->props.size_of_priv, GFP_KERNEL);
if (adap->priv == NULL) {
@@ -78,7 +89,7 @@
}
/* use exclusive FE lock if there is multiple shared FEs */
- if (adap->fe[1])
+ if (adap->fe_adap[1].fe)
adap->dvb_adap.mfe_shared = 1;
d->num_adapters_initialized++;