Commit 3d687b49 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] videodev2.h: add VIDIOC_ENUM_FREQ_BANDS 



Add a new ioctl to enumerate the supported frequency bands of a tuner.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent b67a39e4

include/linux/videodev2.h

+30 −10
Original line number Diff line number Diff line
@@ -2032,6 +2032,7 @@ struct v4l2_modulator { 
#define V4L2_TUNER_CAP_RDS		0x0080

#define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100

#define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200

#define V4L2_TUNER_CAP_FREQ_BANDS	0x0400



/*  Flags for the 'rxsubchans' field */

#define V4L2_TUNER_SUB_MONO		0x0001
@@ -2056,6 +2057,21 @@ struct v4l2_frequency { 
	__u32	reserved[8];

};



#define V4L2_BAND_MODULATION_VSB	(1 << 1)

#define V4L2_BAND_MODULATION_FM		(1 << 2)

#define V4L2_BAND_MODULATION_AM		(1 << 3)



struct v4l2_frequency_band {

	__u32	tuner;

	__u32	type;	/* enum v4l2_tuner_type */

	__u32	index;

	__u32	capability;

	__u32	rangelow;

	__u32	rangehigh;

	__u32	modulation;

	__u32	reserved[9];

};



struct v4l2_hw_freq_seek {

	__u32	tuner;

	__u32	type;	/* enum v4l2_tuner_type */
@@ -2630,6 +2646,10 @@ struct v4l2_create_buffers { 
#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)

#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)



/* Experimental, this ioctl may change over the next couple of kernel

   versions. */

#define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)



/* Reminder: when adding new ioctls please add support for them to

   drivers/media/video/v4l2-compat-ioctl32.c as well! */