From 80ea39818fb8a55028d115720ead3ad6d241dc29 Mon Sep 17 00:00:00 2001
From: Andrii Pientsov <andrii.pientsov@globallogic.com>
Date: Fri, 15 Jan 2021 11:36:07 +0200
Subject: Add vizzini-1.1-ledrtig.patch for MTRE device.

---
 .../vizzini/vizzini-1.1/vizzini-1.1-ledrtig.patch  | 117 +++++++++++++++++++++
 recipes-kernel/vizzini/vizzini_1.1.bb              |   2 +
 2 files changed, 119 insertions(+)
 create mode 100644 recipes-kernel/vizzini/vizzini-1.1/vizzini-1.1-ledrtig.patch

(limited to 'recipes-kernel/vizzini')

diff --git a/recipes-kernel/vizzini/vizzini-1.1/vizzini-1.1-ledrtig.patch b/recipes-kernel/vizzini/vizzini-1.1/vizzini-1.1-ledrtig.patch
new file mode 100644
index 0000000..7d8e03a
--- /dev/null
+++ b/recipes-kernel/vizzini/vizzini-1.1/vizzini-1.1-ledrtig.patch
@@ -0,0 +1,117 @@
+diff -ur orig/vizzini.c new/vizzini.c
+--- orig/vizzini.c	2017-07-21 13:55:37.000000000 +0300
++++ new/vizzini.c	2017-07-20 15:37:52.000000000 +0300
+@@ -54,6 +54,8 @@
+ #include <linux/fcntl.h>
+ #include <asm/uaccess.h>
+ 
++#include <linux/leds.h>
++
+ 
+ #include "vizzini.h"
+ #include "vzioctl.h"
+@@ -71,6 +73,38 @@
+ static DEFINE_MUTEX(xr21v141x_table_lock);
+ 
+ /*
++ * LED triggers
++ */
++
++static void xr21v141x_register_led_triggers(struct xr21v141x *xr21v141x)
++{
++#ifdef CONFIG_LEDS_TRIGGERS
++	xr21v141x->led_trigger_rx_delay_on = 50;
++	xr21v141x->led_trigger_rx_delay_off = 1;
++	sprintf(xr21v141x->led_trigger_rx_name, "vizzini%d-rx", xr21v141x->minor);
++	led_trigger_register_simple(xr21v141x->led_trigger_rx_name, &xr21v141x->led_trigger_rx);
++
++	xr21v141x->led_trigger_tx_delay_on = 50;
++	xr21v141x->led_trigger_tx_delay_off = 1;
++	sprintf(xr21v141x->led_trigger_tx_name, "vizzini%d-tx", xr21v141x->minor);
++	led_trigger_register_simple(xr21v141x->led_trigger_tx_name, &xr21v141x->led_trigger_tx);
++
++	dev_info(&xr21v141x->control->dev, "%s and %s led triggers registered\n",
++		xr21v141x->led_trigger_rx_name, xr21v141x->led_trigger_tx_name);
++#endif
++}
++
++static void xr21v141x_unregister_led_triggers(struct xr21v141x *xr21v141x)
++{
++#ifdef CONFIG_LEDS_TRIGGERS
++	led_trigger_unregister_simple(xr21v141x->led_trigger_rx);
++	led_trigger_unregister_simple(xr21v141x->led_trigger_tx);
++	dev_info(&xr21v141x->control->dev, "led triggers unregistered\n");
++#endif
++}
++
++
++/*
+  * Functions for ACM control messages.
+  */
+ 
+@@ -330,6 +364,11 @@
+ 	if (!urb->actual_length)
+ 		return;
+ 
++#ifdef CONFIG_LEDS_TRIGGERS
++	led_trigger_blink_oneshot(xr21v141x->led_trigger_rx,
++		&xr21v141x->led_trigger_rx_delay_on,
++		&xr21v141x->led_trigger_rx_delay_off, 0);
++#endif
+ 
+ 	tty_insert_flip_string(&xr21v141x->port, urb->transfer_buffer, urb->actual_length);
+ 	tty_flip_buffer_push(&xr21v141x->port);
+@@ -653,6 +692,12 @@
+ 	
+ 	spin_unlock_irqrestore(&xr21v141x->write_lock, flags);
+ 
++#ifdef CONFIG_LEDS_TRIGGERS
++	led_trigger_blink_oneshot(xr21v141x->led_trigger_tx,
++		&xr21v141x->led_trigger_tx_delay_on,
++		&xr21v141x->led_trigger_tx_delay_off, 0);
++#endif
++
+ 	
+ 	if (stat < 0)
+ 		return stat;
+@@ -1723,6 +1768,9 @@
+ 	}
+ #endif		
+      
++
++	xr21v141x_register_led_triggers(xr21v141x);
++
+ 	return 0;
+ alloc_fail8:
+ 		if (xr21v141x->country_codes) {
+@@ -1817,6 +1865,8 @@
+ 					xr21v141x->data : xr21v141x->control);
+ 
+ 	tty_port_put(&xr21v141x->port);
++
++	xr21v141x_unregister_led_triggers(xr21v141x);
+ }
+ 
+ #ifdef CONFIG_PM
+diff -ur orig/vizzini.h new/vizzini.h
+--- orig/vizzini.h	2017-07-21 13:55:37.000000000 +0300
++++ new/vizzini.h	2017-07-20 15:36:57.000000000 +0300
+@@ -282,6 +282,18 @@
+ #ifdef VIZZINI_IWA
+         int           iwa;
+ #endif
++
++#ifdef CONFIG_LEDS_TRIGGERS
++	char led_trigger_rx_name[32];
++	unsigned long led_trigger_rx_delay_on;
++	unsigned long led_trigger_rx_delay_off;
++	struct led_trigger *led_trigger_rx;
++	char led_trigger_tx_name[32];
++	unsigned long led_trigger_tx_delay_on;
++	unsigned long led_trigger_tx_delay_off;
++	struct led_trigger *led_trigger_tx;
++#endif
++
+ 	struct serial_rs485 rs485;
+ };
+ 
diff --git a/recipes-kernel/vizzini/vizzini_1.1.bb b/recipes-kernel/vizzini/vizzini_1.1.bb
index 8dc75f2..d7c6e0e 100644
--- a/recipes-kernel/vizzini/vizzini_1.1.bb
+++ b/recipes-kernel/vizzini/vizzini_1.1.bb
@@ -6,5 +6,7 @@ SRC_URI += "file://xr21v141x-lnx3.10-3.11.tar.gz \
 			file://vizzini-1.1-enable-cts.patch \
 			file://vizzini-1.1-rs485.patch \
 			"
+SRC_URI_append_mtre = "file://vizzini-1.1-ledrtig.patch \
+                      "
 S = "${WORKDIR}/xr21v141x-lnx3.10-3.11"
 
-- 
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