From 634dcc7387b14d0cbb3de311e5691909a1292946 Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Mon, 25 May 2020 00:39:29 -0400
Subject: [PATCH] lcd_hd44780: Only calibrate cmd_wait_ticks on mcus with
 strict timing

The calibration isn't valid on the linux mcu, so make it dependent on
CONFIG_HAVE_STRICT_TIMING.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
---
 src/lcd_hd44780.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lcd_hd44780.c b/src/lcd_hd44780.c
index 26fa63cb..9137cc71 100644
--- a/src/lcd_hd44780.c
+++ b/src/lcd_hd44780.c
@@ -100,6 +100,11 @@ command_config_hd44780(uint32_t *args)
     h->d6 = gpio_out_setup(args[5], 0);
     h->d7 = gpio_out_setup(args[6], 0);
 
+    if (!CONFIG_HAVE_STRICT_TIMING) {
+        h->cmd_wait_ticks = args[7];
+        return;
+    }
+
     // Calibrate cmd_wait_ticks
     irq_disable();
     uint32_t start = timer_read_time();