[pvrusb2] wrong default values

[Martin Dauskardt]

When I check v4l2-ctl --list-ctrls-menu after loading pvrusb2 I get a lot of 
negative values (see attachment)
Tested with the v4l-dvb hg from today, but the problem exists longer.

For the pvrinput vdr-plugin, we are currently detecting the default value by 
using struct v4l2_queryctrl . Unless the user does not set other values, 
those detected values are used for initialising the card. Now we 
get "Numerical result out of range" errors.

I think it is not a cx2341x problem, because the ivtv driver delivers the 
right default values.

Mike, can you fix it?

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linvdr:~# v4l2-ctl --list-ctrls-menu
                     brightness (int)  : min=0 max=255 step=1 default=128 value=128
                       contrast (int)  : min=0 max=127 step=1 default=68 value=68
                     saturation (int)  : min=0 max=127 step=1 default=64 value=64
                            hue (int)  : min=-128 max=127 step=1 default=0 value=0
                         volume (int)  : min=0 max=65535 step=1 default=62000 value=62000
                        balance (int)  : min=-32768 max=32767 step=1 default=0 value=0
                           bass (int)  : min=-32768 max=32767 step=1 default=0 value=0
                         treble (int)  : min=-32768 max=32767 step=1 default=0 value=0
                           mute (bool) : default=-1074277104 value=0
                    stream_type (menu) : min=0 max=5 default=-1074277104 value=0 flags=update
                                0: MPEG-2 Program Stream
                                1:
                                2: MPEG-1 System Stream
                                3: MPEG-2 DVD-compatible Stream
                                4: MPEG-1 VCD-compatible Stream
                                5: MPEG-2 SVCD-compatible Stream
       audio_sampling_frequency (menu) : min=0 max=2 default=-1074277104 value=1
                                0: 44.1 kHz
                                1: 48 kHz
                                2: 32 kHz
                 audio_encoding (menu) : min=0 max=4 default=-1074277104 value=1 flags=update
                                0: MPEG-1/2 Layer I
                                1: MPEG-1/2 Layer II
                                2: MPEG-1/2 Layer III
                                3: MPEG-2/4 AAC
                                4: AC-3
         audio_layer_ii_bitrate (menu) : min=0 max=13 default=-1074277104 value=10
                                0: 32 kbps
                                1: 48 kbps
                                2: 56 kbps
                                3: 64 kbps
                                4: 80 kbps
                                5: 96 kbps
                                6: 112 kbps
                                7: 128 kbps
                                8: 160 kbps
                                9: 192 kbps
                                10: 224 kbps
                                11: 256 kbps
                                12: 320 kbps
                                13: 384 kbps
              audio_stereo_mode (menu) : min=0 max=3 default=-1074277104 value=0 flags=update
                                0: Stereo
                                1: Joint Stereo
                                2: Dual
                                3: Mono
    audio_stereo_mode_extension (menu) : min=0 max=3 default=-1074277104 value=0 flags=inactive
                                0: Bound 4
                                1: Bound 8
                                2: Bound 12
                                3: Bound 16
                 audio_emphasis (menu) : min=0 max=2 default=-1074277104 value=0
                                0: No Emphasis
                                1: 50/15 us
                                2: CCITT J17
                      audio_crc (menu) : min=0 max=1 default=-1074277104 value=0
                                0: No CRC
                                1: 16-bit CRC
                   video_aspect (menu) : min=0 max=3 default=-1074277104 value=1
                                0: 1x1
                                1: 4x3
                                2: 16x9
                                3: 2.21x1
                 video_b_frames (int)  : min=0 max=33 step=1 default=2 value=2 flags=update
                 video_gop_size (int)  : min=1 max=34 step=1 default=15 value=12
              video_gop_closure (bool) : default=-1074277104 value=1
             video_bitrate_mode (menu) : min=0 max=1 default=-1074277104 value=0 flags=update
                                0: Variable Bitrate
                                1: Constant Bitrate
                  video_bitrate (int)  : min=0 max=27000000 step=1 default=6000000 value=6000000
             video_peak_bitrate (int)  : min=0 max=27000000 step=1 default=8000000 value=8000000
      video_temporal_decimation (int)  : min=0 max=255 step=1 default=0 value=0
            spatial_filter_mode (menu) : min=0 max=1 default=-1074277104 value=0 flags=update
                                0: Manual
                                1: Auto
                 spatial_filter (int)  : min=0 max=15 step=1 default=0 value=0 flags=slider
       spatial_luma_filter_type (menu) : min=0 max=4 default=-1074277104 value=1
                                0: Off
                                1: 1D Horizontal
                                2: 1D Vertical
                                3: 2D H/V Separable
                                4: 2D Symmetric non-separable
     spatial_chroma_filter_type (menu) : min=0 max=1 default=-1074277104 value=1
                                0: Off
                                1: 1D Horizontal
           temporal_filter_mode (menu) : min=0 max=1 default=-1074277104 value=0 flags=update
                                0: Manual
                                1: Auto
                temporal_filter (int)  : min=0 max=31 step=1 default=8 value=8 flags=slider
             median_filter_type (menu) : min=0 max=4 default=-1074277104 value=0 flags=update
                                0: Off
                                1: Horizontal
                                2: Vertical
                                3: Horizontal/Vertical
                                4: Diagonal
     median_luma_filter_minimum (int)  : min=0 max=255 step=1 default=0 value=0 flags=inactive slider
     median_luma_filter_maximum (int)  : min=0 max=255 step=1 default=255 value=255 flags=inactive slider
   median_chroma_filter_minimum (int)  : min=0 max=255 step=1 default=0 value=0 flags=inactive slider
   median_chroma_filter_maximum (int)  : min=0 max=255 step=1 default=255 value=255 flags=inactive slider