V4L/DVB (7779): pvrusb2-dvb: quiet down noise in kernel log for feed debug

Get rid of the noise in dmesg during dvb feed changes,
unless the appropriate debug trace flag is enabled.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

2 files changed, 26 insertions, 17 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-debug.h b/drivers/media/video/pvrusb2/pvrusb2-debug.h
index 11537ddf8aa3..707d2d9635d7 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-debug.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-debug.h
@@ -54,6 +54,7 @@ extern int pvrusb2_debug;
 #define PVR2_TRACE_DATA_FLOW  (1 << 25) /* Track data flow */
 #define PVR2_TRACE_DEBUGIFC   (1 << 26) /* Debug interface actions */
 #define PVR2_TRACE_GPIO       (1 << 27) /* GPIO state bit changes */
+#define PVR2_TRACE_DVB_FEED   (1 << 28) /* DVB transport feed debug */
 
 
 #endif /* __PVRUSB2_HDW_INTERNAL_H */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-dvb.c b/drivers/media/video/pvrusb2/pvrusb2-dvb.c
index 6504c97e0bbc..6ec4bf81fc7f 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-dvb.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-dvb.c
@@ -21,6 +21,7 @@
 #include <linux/kthread.h>
 #include <linux/freezer.h>
 #include "dvbdev.h"
+#include "pvrusb2-debug.h"
 #include "pvrusb2-hdw-internal.h"
 #include "pvrusb2-hdw.h"
 #include "pvrusb2-io.h"
@@ -35,7 +36,7 @@ static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap)
         struct pvr2_buffer *bp;
         struct pvr2_stream *stream;
 
-        printk(KERN_DEBUG "dvb thread started\n");
+        pvr2_trace(PVR2_TRACE_DVB_FEED, "dvb feed thread started");
         set_freezable();
 
         stream = adap->channel.stream->stream;
@@ -82,7 +83,7 @@ static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap)
         /* If we get here and ret is < 0, then an error has occurred.
            Probably would be a good idea to communicate that to DVB core... */
 
-        printk(KERN_DEBUG "dvb thread stopped\n");
+        pvr2_trace(PVR2_TRACE_DVB_FEED, "dvb feed thread stopped");
 
         return 0;
 }
@@ -210,7 +211,8 @@ static int pvr2_dvb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
         do {
                 if (onoff) {
                         if (!adap->feedcount) {
-                                printk(KERN_DEBUG "start feeding\n");
+                                pvr2_trace(PVR2_TRACE_DVB_FEED,
+                                           "start feeding demux");
                                 ret = pvr2_dvb_stream_start(adap);
                                 if (ret < 0) break;
                         }
@@ -218,7 +220,8 @@ static int pvr2_dvb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
                 } else if (adap->feedcount > 0) {
                         (adap->feedcount)--;
                         if (!adap->feedcount) {
-                                printk(KERN_DEBUG "stop feeding\n");
+                                pvr2_trace(PVR2_TRACE_DVB_FEED,
+                                           "stop feeding demux");
                                 pvr2_dvb_stream_end(adap);
                         }
                 }
@@ -230,15 +233,13 @@ static int pvr2_dvb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 
 static int pvr2_dvb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
-        printk(KERN_DEBUG "start pid: 0x%04x, feedtype: %d\n",
-               dvbdmxfeed->pid, dvbdmxfeed->type);
+        pvr2_trace(PVR2_TRACE_DVB_FEED, "start pid: 0x%04x", dvbdmxfeed->pid);
         return pvr2_dvb_ctrl_feed(dvbdmxfeed, 1);
 }
 
 static int pvr2_dvb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
-        printk(KERN_DEBUG "stop pid: 0x%04x, feedtype: %d\n",
-               dvbdmxfeed->pid, dvbdmxfeed->type);
+        pvr2_trace(PVR2_TRACE_DVB_FEED, "stop pid: 0x%04x", dvbdmxfeed->pid);
         return pvr2_dvb_ctrl_feed(dvbdmxfeed, 0);
 }
 
@@ -259,7 +260,8 @@ static int pvr2_dvb_adapter_init(struct pvr2_dvb_adapter *adap)
                                    &adap->channel.hdw->usb_dev->dev,
                                    adapter_nr);
         if (ret < 0) {
-                err("dvb_register_adapter failed: error %d", ret);
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                           "dvb_register_adapter failed: error %d", ret);
                 goto err;
         }
         adap->dvb_adap.priv = adap;
@@ -276,7 +278,8 @@ static int pvr2_dvb_adapter_init(struct pvr2_dvb_adapter *adap)
 
         ret = dvb_dmx_init(&adap->demux);
         if (ret < 0) {
-                err("dvb_dmx_init failed: error %d", ret);
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                           "dvb_dmx_init failed: error %d", ret);
                 goto err_dmx;
         }
 
@@ -286,7 +289,8 @@ static int pvr2_dvb_adapter_init(struct pvr2_dvb_adapter *adap)
 
         ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
         if (ret < 0) {
-                err("dvb_dmxdev_init failed: error %d", ret);
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                           "dvb_dmxdev_init failed: error %d", ret);
                 goto err_dmx_dev;
         }
 
@@ -304,7 +308,7 @@ err:
 
 static int pvr2_dvb_adapter_exit(struct pvr2_dvb_adapter *adap)
 {
-        printk(KERN_DEBUG "unregistering DVB devices\n");
+        pvr2_trace(PVR2_TRACE_INFO, "unregistering DVB devices");
         dvb_net_release(&adap->dvb_net);
         adap->demux.dmx.close(&adap->demux.dmx);
         dvb_dmxdev_release(&adap->dmxdev);
@@ -320,7 +324,7 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
         int ret = 0;
 
         if (dvb_props == NULL) {
-                err("fe_props not defined!");
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS, "fe_props not defined!");
                 return -EINVAL;
         }
 
@@ -328,13 +332,15 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
             &adap->channel,
             (1 << PVR2_CVAL_INPUT_DTV));
         if (ret) {
-                err("failed to grab control of dtv input (code=%d)",
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                           "failed to grab control of dtv input (code=%d)",
                     ret);
                 return ret;
         }
 
         if (dvb_props->frontend_attach == NULL) {
-                err("frontend_attach not defined!");
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                           "frontend_attach not defined!");
                 ret = -EINVAL;
                 goto done;
         }
@@ -342,7 +348,8 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
         if ((dvb_props->frontend_attach(adap) == 0) && (adap->fe)) {
 
                 if (dvb_register_frontend(&adap->dvb_adap, adap->fe)) {
-                        err("frontend registration failed!");
+                        pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                                   "frontend registration failed!");
                         dvb_frontend_detach(adap->fe);
                         adap->fe = NULL;
                         ret = -ENODEV;
@@ -359,7 +366,8 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
                 adap->fe->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
 
         } else {
-                err("no frontend was attached!");
+                pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                           "no frontend was attached!");
                 ret = -ENODEV;
                 return ret;
         }