On Friday 24 July 2009 18:37:23 Eduardo Valentin wrote:
> Signed-off-by: Eduardo Valentin <eduardo.valen...@nokia.com>
> ---
>  linux/drivers/media/video/v4l2-common.c |   63 
> ++++++++++++++++++++++++++++++-
>  1 files changed, 62 insertions(+), 1 deletions(-)
> 
> diff --git a/linux/drivers/media/video/v4l2-common.c 
> b/linux/drivers/media/video/v4l2-common.c
> index bd13702..6fc0559 100644
> --- a/linux/drivers/media/video/v4l2-common.c
> +++ b/linux/drivers/media/video/v4l2-common.c
> @@ -343,6 +343,12 @@ const char **v4l2_ctrl_get_menu(u32 id)
>               "Sepia",
>               NULL
>       };
> +     static const char *fm_tx_preemphasis[] = {
> +             "No preemphasis",
> +             "50 useconds",
> +             "75 useconds",
> +             NULL,
> +     };
>  
>       switch (id) {
>               case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
> @@ -381,6 +387,8 @@ const char **v4l2_ctrl_get_menu(u32 id)
>                       return camera_exposure_auto;
>               case V4L2_CID_COLORFX:
>                       return colorfx;
> +             case V4L2_CID_FM_TX_PREEMPHASIS:
> +                     return fm_tx_preemphasis;
>               default:
>                       return NULL;
>       }
> @@ -479,6 +487,28 @@ const char *v4l2_ctrl_get_name(u32 id)
>       case V4L2_CID_ZOOM_CONTINUOUS:          return "Zoom, Continuous";
>       case V4L2_CID_PRIVACY:                  return "Privacy";
>  
> +     /* FM Radio Modulator control */
> +     case V4L2_CID_FM_TX_CLASS:              return "FM Radio Modulator 
> Controls";
> +     case V4L2_CID_RDS_TX_PI:                return "RDS Program ID";
> +     case V4L2_CID_RDS_TX_PTY:               return "RDS Program Type";
> +     case V4L2_CID_RDS_TX_DEVIATION:         return "RDS Signal Deviation";
> +     case V4L2_CID_RDS_TX_PS_NAME:           return "RDS PS Name";
> +     case V4L2_CID_RDS_TX_RADIO_TEXT:        return "RDS Radio Text";
> +     case V4L2_CID_AUDIO_LIMITER_ENABLED:    return "Audio Limiter Feature 
> Enabled";
> +     case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: return "Audio Limiter Release 
> Time";
> +     case V4L2_CID_AUDIO_LIMITER_DEVIATION:  return "Audio Limiter 
> Deviation";
> +     case V4L2_CID_AUDIO_COMPRESSION_ENABLED: return "Audio Compression 
> Feature Enabled";
> +     case V4L2_CID_AUDIO_COMPRESSION_GAIN:   return "Audio Compression Gain";
> +     case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: return "Audio Compression 
> Threshold";
> +     case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: return "Audio Compression 
> Attack Time";
> +     case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: return "Audio Compression 
> Release Time";
> +     case V4L2_CID_PILOT_TONE_ENABLED:       return "Pilot Tone Feature 
> Enabled";
> +     case V4L2_CID_PILOT_TONE_DEVIATION:     return "Pilot Tone Deviation";
> +     case V4L2_CID_PILOT_TONE_FREQUENCY:     return "Pilot Tone Frequency";
> +     case V4L2_CID_FM_TX_PREEMPHASIS:        return "Pre-emphasis settings";
> +     case V4L2_CID_TUNE_POWER_LEVEL:         return "Tune Power Level";
> +     case V4L2_CID_TUNE_ANTENNA_CAPACITOR:   return "Tune Antenna Capacitor";
> +
>       default:
>               return NULL;
>       }
> @@ -500,7 +530,18 @@ EXPORT_SYMBOL(v4l2_ctrl_is_value64);
>   * This information is used inside v4l2_compat_ioctl32. */
>  int v4l2_ctrl_is_pointer(u32 id)
>  {
> -     return 0;
> +     int is_pointer;
> +
> +     switch (id) {
> +     case V4L2_CID_RDS_TX_PS_NAME:
> +     case V4L2_CID_RDS_TX_RADIO_TEXT:
> +             is_pointer = 1;
> +             break;
> +     default:
> +             is_pointer = 0;
> +     }
> +
> +     return is_pointer;
>  }

There is no need for a temp variable. Just do this:

int v4l2_ctrl_is_pointer(u32 id)
{
        switch (id) {
        case V4L2_CID_RDS_TX_PS_NAME:
        case V4L2_CID_RDS_TX_RADIO_TEXT:
                return 1;
        default:
                return 0;
        }
}

Regards,

        Hans


-- 
Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom
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