[PATCH] v4l: 798: this patch adds the vidioc log status to videodev2 h and adds

- This patch adds the VIDIOC_LOG_STATUS to videodev2.h and adds
          LOG_STATUS support to tda9887.c and bttv-driver.c.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 23 insertions, 12 deletions

diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 058b923b4b13..f8307407e320 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -1851,6 +1851,11 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                 up(&btv->lock);
                 return 0;
         }
+        case VIDIOC_LOG_STATUS:
+        {
+                bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, 0);
+                return 0;
+        }
 
         default:
                 return -ENOIOCTLCMD;
@@ -2856,6 +2861,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
         case VIDIOC_S_TUNER:
         case VIDIOC_G_FREQUENCY:
         case VIDIOC_S_FREQUENCY:
+        case VIDIOC_LOG_STATUS:
                 return bttv_common_ioctls(btv,cmd,arg);
 
         default:
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index 796110d4ff72..6d2914f738f2 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -60,6 +60,7 @@ struct tda9887 {
         unsigned int       pinnacle_id;
         unsigned int       using_v4l2;
         unsigned int       radio_mode;
+        unsigned char      data[4];
 };
 
 struct tvnorm {
@@ -575,32 +576,31 @@ static int tda9887_status(struct tda9887 *t)
 
 static int tda9887_configure(struct tda9887 *t)
 {
-        unsigned char buf[4];
         int rc;
 
-        memset(buf,0,sizeof(buf));
-        tda9887_set_tvnorm(t,buf);
+        memset(t->data,0,sizeof(t->data));
+        tda9887_set_tvnorm(t,t->data);
 
-        buf[1] |= cOutputPort1Inactive;
-        buf[1] |= cOutputPort2Inactive;
+        t->data[1] |= cOutputPort1Inactive;
+        t->data[1] |= cOutputPort2Inactive;
 
         if (UNSET != t->pinnacle_id) {
-                tda9887_set_pinnacle(t,buf);
+                tda9887_set_pinnacle(t,t->data);
         }
-        tda9887_set_config(t,buf);
-        tda9887_set_insmod(t,buf);
+        tda9887_set_config(t,t->data);
+        tda9887_set_insmod(t,t->data);
 
         if (t->mode == T_STANDBY) {
-                buf[1] |= cForcedMuteAudioON;
+                t->data[1] |= cForcedMuteAudioON;
         }
 
 
         tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
-                buf[1],buf[2],buf[3]);
+                t->data[1],t->data[2],t->data[3]);
         if (debug > 1)
-                dump_write_message(t, buf);
+                dump_write_message(t, t->data);
 
-        if (4 != (rc = i2c_master_send(&t->client,buf,4)))
+        if (4 != (rc = i2c_master_send(&t->client,t->data,4)))
                 tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
 
         if (debug > 2) {
@@ -785,6 +785,11 @@ tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
                 }
                 break;
         }
+        case VIDIOC_LOG_STATUS:
+        {
+                tda9887_info("Data bytes: b=%02x c=%02x e=%02x\n", t->data[1], t->data[2], t->data[3]);
+                break;
+        }
         default:
                 /* nothing */
                 break;