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-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-core.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index dde22a4cbd6c..630a75e0eeb1 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -1959,12 +1959,14 @@ void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
unsigned step = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
unsigned div = step;
unsigned first = 0;
- unsigned len = strlen(text);
+ unsigned len;
unsigned p;
- if (font8x16 == NULL || basep == NULL)
+ if (font8x16 == NULL || basep == NULL || text == NULL)
return;
+ len = strlen(text);
+
/* Checks if it is possible to show string */
if (y + 16 >= tpg->compose.height || x + 8 >= tpg->compose.width)
return;
@@ -2006,6 +2008,30 @@ void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
}
EXPORT_SYMBOL_GPL(tpg_gen_text);
+const char *tpg_g_color_order(const struct tpg_data *tpg)
+{
+ switch (tpg->pattern) {
+ case TPG_PAT_75_COLORBAR:
+ case TPG_PAT_100_COLORBAR:
+ case TPG_PAT_CSC_COLORBAR:
+ case TPG_PAT_100_HCOLORBAR:
+ return "White, yellow, cyan, green, magenta, red, blue, black";
+ case TPG_PAT_BLACK:
+ return "Black";
+ case TPG_PAT_WHITE:
+ return "White";
+ case TPG_PAT_RED:
+ return "Red";
+ case TPG_PAT_GREEN:
+ return "Green";
+ case TPG_PAT_BLUE:
+ return "Blue";
+ default:
+ return NULL;
+ }
+}
+EXPORT_SYMBOL_GPL(tpg_g_color_order);
+
void tpg_update_mv_step(struct tpg_data *tpg)
{
int factor = tpg->mv_hor_mode > TPG_MOVE_NONE ? -1 : 1;