From 50b961e0b63644657f08d8a46fd5f8aca5b8ef52 Mon Sep 17 00:00:00 2001
From: Lili1228 <lili@lili.lgbt>
Date: Fri, 6 Feb 2026 20:02:32 +0100
Subject: [PATCH] ESC/P 2: Add "Auto LF" DIP switch

---
 src/printer/prt_escp.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/printer/prt_escp.c b/src/printer/prt_escp.c
index e8ccb74f9..ad8d2745b 100644
--- a/src/printer/prt_escp.c
+++ b/src/printer/prt_escp.c
@@ -265,6 +265,8 @@ typedef struct escp_t {
     uint8_t ctrl;
 
     PALETTE palcol;
+
+    uint8_t auto_lf;
 } escp_t;
 
 /* Codepage table, needed for ESC t ( */
@@ -1749,7 +1751,7 @@ process_char(escp_t *dev, uint8_t ch)
 
         case 0x0d: /* Carriage Return (CR) */
             dev->curr_x = dev->left_margin;
-            if (!dev->autofeed)
+            if (!dev->autofeed && !dev->auto_lf)
                 return 1;
             fallthrough;
 
@@ -2214,7 +2216,9 @@ escp_init(const device_t *info)
             dev->page_height = LETTER_PAGE_HEIGHT;
     }
 
-    dev->dpi         = dev->lang >= LANG_ESCP ? 360 : 240;
+    dev->auto_lf = device_get_config_int("auto_lf");
+
+    dev->dpi           = dev->lang >= LANG_ESCP ? 360 : 240;
 
     /* Create 8-bit grayscale buffer for the page. */
     dev->page         = (psurface_t *) malloc(sizeof(psurface_t));
@@ -2328,6 +2332,17 @@ static const device_config_t lpt_prt_escp_config[] = {
         },
         .bios           = { { 0 } }
     },
+    {
+        .name           = "auto_lf",
+        .description    = "Auto LF",
+        .type           = CONFIG_BINARY,
+        .default_string = NULL,
+        .default_int    = 0,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = { { 0 } },
+        .bios           = { { 0 } }
+    },
     { .name = "", .description = "", .type = CONFIG_END }
 };
 // clang-format on