V4L/DVB (11194): pvrusb2: Implement mechanism to force a full sub-device update

[safe/jmp/linux-2.6] / drivers / media / video / pvrusb2 / pvrusb2-hdw.c

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 8be5392..1fb9ca5 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -133,6 +133,7 @@ static const char *module_names[] = {
 static const unsigned char *module_i2c_addresses[] = {
        [PVR2_CLIENT_ID_TUNER] = "\x60\x61\x62\x63",
        [PVR2_CLIENT_ID_WM8775] = "\x1b",
+       [PVR2_CLIENT_ID_CX25840] = "\x44",
 };
 
 
@@ -1680,6 +1681,8 @@ static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl)
           this point, we'll broadcast stream on/off to all sub-devices
           anyway, just in case somebody else wants to hear the
           command... */
+       pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 stream=%s",
+                  (enablefl ? "on" : "off"));
        v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_stream, enablefl);
        if (hdw->decoder_client_id) {
                /* We get here if the encoder has been noticed.  Otherwise
@@ -2182,6 +2185,8 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
 
        if (!pvr2_hdw_dev_ok(hdw)) return;
 
+       hdw->force_dirty = !0;
+
        if (!hdw->hdw_desc->flag_no_powerup) {
                pvr2_hdw_cmd_powerup(hdw);
                if (!pvr2_hdw_dev_ok(hdw)) return;
@@ -2932,7 +2937,7 @@ static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
 }
 
 #define PVR2_SUBDEV_SET_CONTROL(hdw, id, lab) \
-       if ((hdw)->lab##_dirty) { \
+       if ((hdw)->lab##_dirty || (hdw)->force_dirty) {         \
                pvr2_subdev_set_control(hdw, id, #lab, (hdw)->lab##_val); \
        }
 
@@ -2946,7 +2951,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
 
        pvr2_trace(PVR2_TRACE_CHIPS, "subdev update...");
 
-       if (hdw->tuner_updated) {
+       if (hdw->tuner_updated || hdw->force_dirty) {
                struct tuner_setup setup;
                pvr2_trace(PVR2_TRACE_CHIPS, "subdev tuner set_type(%d)",
                           hdw->tuner_type);
@@ -2959,7 +2964,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
                }
        }
 
-       if (hdw->input_dirty || hdw->std_dirty) {
+       if (hdw->input_dirty || hdw->std_dirty || hdw->force_dirty) {
                pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_standard");
                if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
                        v4l2_device_call_all(&hdw->v4l2_dev, 0,
@@ -2984,14 +2989,14 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
        PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BASS, bass);
        PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_TREBLE, treble);
 
-       if (hdw->input_dirty || hdw->audiomode_dirty) {
+       if (hdw->input_dirty || hdw->audiomode_dirty || hdw->force_dirty) {
                struct v4l2_tuner vt;
                memset(&vt, 0, sizeof(vt));
                vt.audmode = hdw->audiomode_val;
                v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, s_tuner, &vt);
        }
 
-       if (hdw->freqDirty) {
+       if (hdw->freqDirty || hdw->force_dirty) {
                unsigned long fv;
                struct v4l2_frequency freq;
                fv = pvr2_hdw_get_cur_freq(hdw);
@@ -3016,7 +3021,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
                                     s_frequency, &freq);
        }
 
-       if (hdw->res_hor_dirty || hdw->res_ver_dirty) {
+       if (hdw->res_hor_dirty || hdw->res_ver_dirty || hdw->force_dirty) {
                struct v4l2_format fmt;
                memset(&fmt, 0, sizeof(fmt));
                fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@@ -3027,7 +3032,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
                v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_fmt, &fmt);
        }
 
-       if (hdw->srate_dirty) {
+       if (hdw->srate_dirty || hdw->force_dirty) {
                u32 val;
                pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_audio %d",
                           hdw->srate_val);
@@ -3058,7 +3063,7 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
                (*fp)(hdw, sd);
        }
 
-       if (hdw->tuner_signal_stale && hdw->cropcap_stale) {
+       if (hdw->tuner_signal_stale || hdw->cropcap_stale) {
                pvr2_hdw_status_poll(hdw);
        }
 }
@@ -3072,7 +3077,7 @@ static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw)
        unsigned int idx;
        struct pvr2_ctrl *cptr;
        int value;
-       int commit_flag = 0;
+       int commit_flag = hdw->force_dirty;
        char buf[100];
        unsigned int bcnt,ccnt;
 
@@ -3257,6 +3262,7 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw)
        pvr2_subdev_update(hdw);
 
        hdw->tuner_updated = 0;
+       hdw->force_dirty = 0;
        for (idx = 0; idx < hdw->control_cnt; idx++) {
                cptr = hdw->controls + idx;
                if (!cptr->info->clear_dirty) continue;