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| author | Xavier Roumegue <xavier.roumegue@oss.nxp.com> | 2022-07-30 18:48:37 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-08-29 16:32:13 +0300 |
| commit | f1739ec4c778f316fd3d0909408d23679cd77ed6 (patch) | |
| tree | 1e13d22b774198c70d7275c4bc87e0be549f1d00 /drivers/media | |
| parent | 6b1aaa689348fecba304911e6bc89f3f5b0a4825 (diff) | |
| download | linux-f1739ec4c778f316fd3d0909408d23679cd77ed6.tar.xz | |
media: v4l2-ctrls: Export default v4l2_ctrl_type_ops callbacks
Export the callback functions of the default v4l2 control type operations
such as a driver defining its own operations could reuse some of them.
Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls-core.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c index 396772bf7ccd..01f00093f259 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c @@ -65,9 +65,8 @@ void send_event(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, u32 changes) v4l2_event_queue_fh(sev->fh, &ev); } -static bool std_equal(const struct v4l2_ctrl *ctrl, u32 elems, - union v4l2_ctrl_ptr ptr1, - union v4l2_ctrl_ptr ptr2) +bool v4l2_ctrl_type_op_equal(const struct v4l2_ctrl *ctrl, u32 elems, + union v4l2_ctrl_ptr ptr1, union v4l2_ctrl_ptr ptr2) { unsigned int i; @@ -88,6 +87,7 @@ static bool std_equal(const struct v4l2_ctrl *ctrl, u32 elems, elems * ctrl->elem_size); } } +EXPORT_SYMBOL(v4l2_ctrl_type_op_equal); /* Default intra MPEG-2 quantisation coefficients, from the specification. */ static const u8 mpeg2_intra_quant_matrix[64] = { @@ -177,8 +177,8 @@ static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx, } } -static void std_init(const struct v4l2_ctrl *ctrl, u32 from_idx, u32 tot_elems, - union v4l2_ctrl_ptr ptr) +void v4l2_ctrl_type_op_init(const struct v4l2_ctrl *ctrl, u32 from_idx, + u32 tot_elems, union v4l2_ctrl_ptr ptr) { unsigned int i; u32 elems = tot_elems - from_idx; @@ -244,8 +244,9 @@ static void std_init(const struct v4l2_ctrl *ctrl, u32 from_idx, u32 tot_elems, break; } } +EXPORT_SYMBOL(v4l2_ctrl_type_op_init); -static void std_log(const struct v4l2_ctrl *ctrl) +void v4l2_ctrl_type_op_log(const struct v4l2_ctrl *ctrl) { union v4l2_ctrl_ptr ptr = ctrl->p_cur; @@ -353,6 +354,7 @@ static void std_log(const struct v4l2_ctrl *ctrl) break; } } +EXPORT_SYMBOL(v4l2_ctrl_type_op_log); /* * Round towards the closest legal value. Be careful when we are @@ -546,7 +548,8 @@ validate_vp9_frame(struct v4l2_ctrl_vp9_frame *frame) /* * Compound controls validation requires setting unused fields/flags to zero - * in order to properly detect unchanged controls with std_equal's memcmp. + * in order to properly detect unchanged controls with v4l2_ctrl_type_op_equal's + * memcmp. */ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, union v4l2_ctrl_ptr ptr) @@ -992,8 +995,8 @@ static int std_validate_elem(const struct v4l2_ctrl *ctrl, u32 idx, } } -static int std_validate(const struct v4l2_ctrl *ctrl, u32 elems, - union v4l2_ctrl_ptr ptr) +int v4l2_ctrl_type_op_validate(const struct v4l2_ctrl *ctrl, u32 elems, + union v4l2_ctrl_ptr ptr) { unsigned int i; int ret = 0; @@ -1022,12 +1025,13 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 elems, ret = std_validate_elem(ctrl, i, ptr); return ret; } +EXPORT_SYMBOL(v4l2_ctrl_type_op_validate); static const struct v4l2_ctrl_type_ops std_type_ops = { - .equal = std_equal, - .init = std_init, - .log = std_log, - .validate = std_validate, + .equal = v4l2_ctrl_type_op_equal, + .init = v4l2_ctrl_type_op_init, + .log = v4l2_ctrl_type_op_log, + .validate = v4l2_ctrl_type_op_validate, }; void v4l2_ctrl_notify(struct v4l2_ctrl *ctrl, v4l2_ctrl_notify_fnc notify, void *priv) |