Just a few more minor notes:
On Wed May 2 2012 23:42:28 [email protected] wrote:
> From: Manjunatha Halli <[email protected]>
>
> This patch creates new ctrl class for FM RX and adds new CID's for
> below FM features,
> 1) De-Emphasis filter mode
> 2) RDS AF switch
>
> Also this patch adds a field for band selection in struct v4l2_hw_freq_seek
>
> Signed-off-by: Manjunatha Halli <[email protected]>
> ---
> drivers/media/video/v4l2-ctrls.c | 17 +++++++++++++++++
> include/linux/videodev2.h | 11 ++++++++++-
> 2 files changed, 27 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/media/video/v4l2-ctrls.c
> b/drivers/media/video/v4l2-ctrls.c
> index 18015c0..e1bba7d 100644
> --- a/drivers/media/video/v4l2-ctrls.c
> +++ b/drivers/media/video/v4l2-ctrls.c
> @@ -372,6 +372,12 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
> NULL,
> };
>
> + static const char * const tune_deemphasis[] = {
> + "No deemphasis",
> + "50 useconds",
> + "75 useconds",
> + NULL,
> + };
I suggest that we re-use tune_preemphasis[] here. Just replace the first
entry from "No Preemphasis" to "None" to make it generic.
Rename tune_preemphasis[] to tune_emphasis[] as well.
> switch (id) {
> case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
> return mpeg_audio_sampling_freq;
> @@ -414,6 +420,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
> return colorfx;
> case V4L2_CID_TUNE_PREEMPHASIS:
> return tune_preemphasis;
> + case V4L2_CID_TUNE_DEEMPHASIS:
> + return tune_deemphasis;
> case V4L2_CID_FLASH_LED_MODE:
> return flash_led_mode;
> case V4L2_CID_FLASH_STROBE_SOURCE:
> @@ -644,6 +652,12 @@ const char *v4l2_ctrl_get_name(u32 id)
> case V4L2_CID_JPEG_COMPRESSION_QUALITY: return "Compression Quality";
> case V4L2_CID_JPEG_ACTIVE_MARKER: return "Active Markers";
>
> + /* FM Radio Receiver control */
> + /* Keep the order of the 'case's the same as in videodev2.h! */
> + case V4L2_CID_FM_RX_CLASS: return "FM Radio Receiver
> Controls";
> + case V4L2_CID_RDS_AF_SWITCH: return "FM RX RDS AF switch";
I would call this "RDS AF Switch" or perhaps even better: "RDS Auto-Frequency
Switch"
> + case V4L2_CID_TUNE_DEEMPHASIS: return "FM RX De-emphasis
> settings";
Rename to "De-Emphasis" to be consistent with the existing "Pre-Emphasis"
string.
Regards,
Hans
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