On 07/31/2015 04:10 AM, Antti Palosaari wrote:
> Add new RF tuner gain control named RF Gain. That is aimed for first
> amplifier chip right after antenna connector.
> There is existing LNA Gain control, which is quite same, but it is
> aimed for cases amplifier is integrated to tuner chip. Some designs
> have both, as almost all recent tuner silicons has integrated LNA/RF
> amplifier in any case.
>
> Cc: Hans Verkuil <hverk...@xs4all.nl>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
> Signed-off-by: Antti Palosaari <cr...@iki.fi>
> ---
> drivers/media/v4l2-core/v4l2-ctrls.c | 2 ++
> include/uapi/linux/v4l2-controls.h | 1 +
> 2 files changed, 3 insertions(+)
>
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c
> b/drivers/media/v4l2-core/v4l2-ctrls.c
> index b6b7dcc..d18462c 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls.c
> @@ -888,6 +888,7 @@ const char *v4l2_ctrl_get_name(u32 id)
> case V4L2_CID_TUNE_DEEMPHASIS: return "De-Emphasis";
> case V4L2_CID_RDS_RECEPTION: return "RDS Reception";
> case V4L2_CID_RF_TUNER_CLASS: return "RF Tuner Controls";
> + case V4L2_CID_RF_TUNER_RF_GAIN: return "RF Gain";
> case V4L2_CID_RF_TUNER_LNA_GAIN_AUTO: return "LNA Gain, Auto";
> case V4L2_CID_RF_TUNER_LNA_GAIN: return "LNA Gain";
> case V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO: return "Mixer Gain, Auto";
> @@ -1161,6 +1162,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum
> v4l2_ctrl_type *type,
> case V4L2_CID_PILOT_TONE_FREQUENCY:
> case V4L2_CID_TUNE_POWER_LEVEL:
> case V4L2_CID_TUNE_ANTENNA_CAPACITOR:
> + case V4L2_CID_RF_TUNER_RF_GAIN:
> case V4L2_CID_RF_TUNER_LNA_GAIN:
> case V4L2_CID_RF_TUNER_MIXER_GAIN:
> case V4L2_CID_RF_TUNER_IF_GAIN:
> diff --git a/include/uapi/linux/v4l2-controls.h
> b/include/uapi/linux/v4l2-controls.h
> index d448c53..1bdce50 100644
> --- a/include/uapi/linux/v4l2-controls.h
> +++ b/include/uapi/linux/v4l2-controls.h
> @@ -936,6 +936,7 @@ enum v4l2_deemphasis {
>
> #define V4L2_CID_RF_TUNER_BANDWIDTH_AUTO (V4L2_CID_RF_TUNER_CLASS_BASE +
> 11)
> #define V4L2_CID_RF_TUNER_BANDWIDTH (V4L2_CID_RF_TUNER_CLASS_BASE +
> 12)
> +#define V4L2_CID_RF_TUNER_RF_GAIN (V4L2_CID_RF_TUNER_CLASS_BASE +
> 32)
> #define V4L2_CID_RF_TUNER_LNA_GAIN_AUTO
> (V4L2_CID_RF_TUNER_CLASS_BASE + 41)
> #define V4L2_CID_RF_TUNER_LNA_GAIN (V4L2_CID_RF_TUNER_CLASS_BASE +
> 42)
> #define V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO (V4L2_CID_RF_TUNER_CLASS_BASE +
> 51)
>
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