linux-kernel - [PATCH v6 1/3] media: tpg: change char argument to const char

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Date:   Fri, 26 Jun 2020 17:06:16 +0530
From:   Kaaira Gupta <kgupta@...iitr.ac.in>
To:     Helen Koike <helen.koike@...labora.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        hverkuil@...all.nl
Cc:     Kaaira Gupta <kgupta@...iitr.ac.in>
Subject: [PATCH v6 1/3] media: tpg: change char argument to const char

Change the argument of type char * to const char * for function
tpg_gen_text().

Signed-off-by: Kaaira Gupta <kgupta@...iitr.ac.in>
---
 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 10 +++++-----
 include/media/tpg/v4l2-tpg.h                  |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 50f1e0b28b25..dde22a4cbd6c 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -1927,34 +1927,34 @@ typedef struct { u16 __; u8 _; } __packed x24;
 
 static noinline void tpg_print_str_2(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
 			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
+			int y, int x, const char *text, unsigned len)
 {
 	PRINTSTR(u8);
 }
 
 static noinline void tpg_print_str_4(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
 			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
+			int y, int x, const char *text, unsigned len)
 {
 	PRINTSTR(u16);
 }
 
 static noinline void tpg_print_str_6(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
 			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
+			int y, int x, const char *text, unsigned len)
 {
 	PRINTSTR(x24);
 }
 
 static noinline void tpg_print_str_8(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
 			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
+			int y, int x, const char *text, unsigned len)
 {
 	PRINTSTR(u32);
 }
 
 void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
-		  int y, int x, char *text)
+		  int y, int x, const char *text)
 {
 	unsigned step = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
 	unsigned div = step;
diff --git a/include/media/tpg/v4l2-tpg.h b/include/media/tpg/v4l2-tpg.h
index eb191e85d363..9749ed409856 100644
--- a/include/media/tpg/v4l2-tpg.h
+++ b/include/media/tpg/v4l2-tpg.h
@@ -241,7 +241,7 @@ void tpg_log_status(struct tpg_data *tpg);
 
 void tpg_set_font(const u8 *f);
 void tpg_gen_text(const struct tpg_data *tpg,
-		u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text);
+		u8 *basep[TPG_MAX_PLANES][2], int y, int x, const char *text);
 void tpg_calc_text_basep(struct tpg_data *tpg,
 		u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
 unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line);
-- 
2.17.1