A greatly simplified version of the PID Filter now added
back to the Driver.

The driver allows for the PID filter to be turned off.

applied after patch 683781.

Signed-off-by: Malcolm Priestley <tvbox...@gmail.com>
---
 drivers/media/dvb/dvb-usb/lmedm04.c |   87 +++++++++++++++++++++++++++++++++-
 drivers/media/dvb/dvb-usb/lmedm04.h |    1 +
 2 files changed, 85 insertions(+), 3 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c 
b/drivers/media/dvb/dvb-usb/lmedm04.c
index ec0f5a7..4e5c521 100644
--- a/drivers/media/dvb/dvb-usb/lmedm04.c
+++ b/drivers/media/dvb/dvb-usb/lmedm04.c
@@ -62,8 +62,6 @@
  *     LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
  * with other tuners. After a cold reset streaming will not start.
  *
- *     PID functions have been removed from this driver version due to
- * problems with different firmware and application versions.
  */
 #define DVB_USB_LOG_PREFIX "LME2510(C)"
 #include <linux/usb.h>
@@ -104,6 +102,10 @@ static int dvb_usb_lme2510_firmware;
 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
 
+static int pid_filter;
+module_param_named(pid, pid_filter, int, 0644);
+MODULE_PARM_DESC(pid, "set default 0=on 1=off");
+
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
@@ -216,6 +218,38 @@ static int lme2510_remote_keypress(struct dvb_usb_adapter 
*adap, u32 keypress)
        return 0;
 }
 
+static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
+{
+       struct lme2510_state *st = d->priv;
+       static u8 pid_buff[] = LME_ZERO_PID;
+       static u8 rbuf[1];
+       u8 pid_no = index * 2;
+       int ret = 0;
+       deb_info(1, "PID Setting Pid %04x", pid_out);
+
+       pid_buff[2] = pid_no;
+       pid_buff[3] = (u8)pid_out & 0xff;
+       pid_buff[4] = pid_no + 1;
+       pid_buff[5] = (u8)(pid_out >> 8);
+
+       /* wait for i2c mutex */
+       ret = mutex_lock_interruptible(&d->i2c_mutex);
+       if (ret < 0) {
+               ret = -EAGAIN;
+               return ret;
+       }
+
+       ret |= lme2510_usb_talk(d, pid_buff ,
+               sizeof(pid_buff) , rbuf, sizeof(rbuf));
+
+       if (st->stream_on & 1)
+               ret |= lme2510_stream_restart(d);
+
+       mutex_unlock(&d->i2c_mutex);
+
+       return ret;
+}
+
 static void lme2510_int_response(struct urb *lme_urb)
 {
        struct dvb_usb_adapter *adap = lme_urb->context;
@@ -326,6 +360,41 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap)
        return 0;
 }
 
+static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+       static u8 clear_pid_reg[] = LME_CLEAR_PID;
+       static u8 rbuf[1];
+       int ret = 0;
+
+       deb_info(1, "PID Clearing Filter");
+
+       ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
+
+       if (!onoff)
+               ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
+                       sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
+
+       mutex_unlock(&adap->dev->i2c_mutex);
+
+       return 0;
+}
+
+static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
+       int onoff)
+{
+       int ret = 0;
+
+       deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
+               pid, index, onoff);
+
+       if (onoff)
+               if (!pid_filter)
+                       ret = lme2510_enable_pid(adap->dev, index, pid);
+
+       return ret;
+}
+
+
 static int lme2510_return_status(struct usb_device *dev)
 {
        int ret = 0;
@@ -1088,7 +1157,13 @@ static struct dvb_usb_device_properties 
lme2510_properties = {
        .num_adapters = 1,
        .adapter = {
                {
+                       .caps = DVB_USB_ADAP_HAS_PID_FILTER|
+                               DVB_USB_ADAP_NEED_PID_FILTERING|
+                               DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
                        .streaming_ctrl   = lme2510_streaming_ctrl,
+                       .pid_filter_count = 15,
+                       .pid_filter = lme2510_pid_filter,
+                       .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
                        .frontend_attach  = dm04_lme2510_frontend_attach,
                        .tuner_attach = dm04_lme2510_tuner,
                        /* parameter for the MPEG2-data transfer */
@@ -1124,7 +1199,13 @@ static struct dvb_usb_device_properties 
lme2510c_properties = {
        .num_adapters = 1,
        .adapter = {
                {
+                       .caps = DVB_USB_ADAP_HAS_PID_FILTER|
+                               DVB_USB_ADAP_NEED_PID_FILTERING|
+                               DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
                        .streaming_ctrl   = lme2510_streaming_ctrl,
+                       .pid_filter_count = 15,
+                       .pid_filter = lme2510_pid_filter,
+                       .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
                        .frontend_attach  = dm04_lme2510_frontend_attach,
                        .tuner_attach = dm04_lme2510_tuner,
                        /* parameter for the MPEG2-data transfer */
@@ -1222,5 +1303,5 @@ module_exit(lme2510_module_exit);
 
 MODULE_AUTHOR("Malcolm Priestley <tvbox...@gmail.com>");
 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
-MODULE_VERSION("1.81");
+MODULE_VERSION("1.84");
 MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/dvb-usb/lmedm04.h 
b/drivers/media/dvb/dvb-usb/lmedm04.h
index 3a30ab1..ab21e2e 100644
--- a/drivers/media/dvb/dvb-usb/lmedm04.h
+++ b/drivers/media/dvb/dvb-usb/lmedm04.h
@@ -40,6 +40,7 @@
 */
 #define LME_ST_ON_W    {0x06, 0x00}
 #define LME_CLEAR_PID   {0x03, 0x02, 0x20, 0xa0}
+#define LME_ZERO_PID   {0x03, 0x06, 0x00, 0x00, 0x01, 0x00, 0x20, 0x9c}
 
 /*  LNB Voltage
  *  07 XX XX
-- 
1.7.4.1

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