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Commit dfff0489 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] vivid-tpg: add const where appropriate 



Added 'const' to several functions where that is possible to do.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 9991deff

drivers/media/platform/vivid/vivid-tpg.c

+4 −4
Original line number Diff line number Diff line
@@ -1241,7 +1241,7 @@ static void tpg_precalculate_line(struct tpg_data *tpg) 
/* need this to do rgb24 rendering */

typedef struct { u16 __; u8 _; } __packed x24;



void tpg_gen_text(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],

void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],

		  int y, int x, char *text)

{

	int line;
@@ -1389,7 +1389,7 @@ void tpg_update_mv_step(struct tpg_data *tpg) 
}



/* Map the line number relative to the crop rectangle to a frame line number */

static unsigned tpg_calc_frameline(struct tpg_data *tpg, unsigned src_y,

static unsigned tpg_calc_frameline(const struct tpg_data *tpg, unsigned src_y,

				    unsigned field)

{

	switch (field) {
@@ -1406,7 +1406,7 @@ static unsigned tpg_calc_frameline(struct tpg_data *tpg, unsigned src_y, 
 * Map the line number relative to the compose rectangle to a destination

 * buffer line number.

 */

static unsigned tpg_calc_buffer_line(struct tpg_data *tpg, unsigned y,

static unsigned tpg_calc_buffer_line(const struct tpg_data *tpg, unsigned y,

				    unsigned field)

{

	y += tpg->compose.top;

drivers/media/platform/vivid/vivid-tpg.h

+5 −3
Original line number Diff line number Diff line
@@ -193,12 +193,14 @@ void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, 
		       u32 field);



void tpg_set_font(const u8 *f);

void tpg_gen_text(struct tpg_data *tpg,

void tpg_gen_text(const struct tpg_data *tpg,

		u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text);

void tpg_calc_text_basep(struct tpg_data *tpg,

		u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);

void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf);

void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf);

void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std,

			   unsigned p, u8 *vbuf);

void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std,

		    unsigned p, u8 *vbuf);

bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc);

void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,

		const struct v4l2_rect *compose);