video: display: panel-s6d6aa1: remove useless function.

There is no usage for s6d6aa1_read_id().

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>

diff --git a/drivers/video/display/panel-s6d6aa1.c b/drivers/video/display/panel-s6d6aa1.c
index 6f6080c..d48f926 100644 (file)
--- a/drivers/video/display/panel-s6d6aa1.c
+++ b/drivers/video/display/panel-s6d6aa1.c
@@ -128,16 +128,6 @@ static void s6d6aa1_apply_level_2_key(struct s6d6aa1 *lcd)
                data_to_send, ARRAY_SIZE(data_to_send));
 }
 
-static void s6d6aa1_read_id(struct s6d6aa1 *lcd, u8 *mtp_id)
-{
-       dsi_dcs_read(lcd->entity.source, 0,
-                       0xDA, &mtp_id[0], 1);
-       dsi_dcs_read(lcd->entity.source, 0,
-                       0xDB, &mtp_id[1], 1);
-       dsi_dcs_read(lcd->entity.source, 0,
-                       0xDC, &mtp_id[2], 1);
-}
-
 static void s6d6aa1_write_ddb(struct s6d6aa1 *lcd)
 {
        const unsigned char data_to_send[] = {
@@ -427,24 +417,12 @@ static const struct backlight_ops s6d6aa1_backlight_ops = {
 
 static int s6d6aa1_check_mtp(struct s6d6aa1 *lcd)
 {
-       u8 mtp_id[3] = {0, };
-
        s6d6aa1_apply_level_1_key(lcd);
        s6d6aa1_apply_level_2_key(lcd);
 
-       s6d6aa1_read_id(lcd, mtp_id);
-       if (mtp_id[0] == 0x00) {
-               dev_err(lcd->dev, "read id failed\n");
-               return -EIO;
-       }
-
        s6d6aa1_register_access_dis_1(lcd);
        s6d6aa1_register_access_dis_2(lcd);
 
-       lcd->ver = mtp_id[1];
-       dev_info(lcd->dev, "Read ID : 0x%2x, 0x%2x, 0x%2x\n",
-               mtp_id[0], mtp_id[1], mtp_id[2]);
-
        return 0;
 }