v4.19.13 snapshot.
diff --git a/drivers/media/common/siano/smsir.c b/drivers/media/common/siano/smsir.c
new file mode 100644
index 0000000..56db0a9
--- /dev/null
+++ b/drivers/media/common/siano/smsir.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Siano Mobile Silicon, Inc.
+// MDTV receiver kernel modules.
+// Copyright (C) 2006-2009, Uri Shkolnik
+//
+// Copyright (c) 2010 - Mauro Carvalho Chehab
+// - Ported the driver to use rc-core
+// - IR raw event decoding is now done at rc-core
+// - Code almost re-written
+
+
+#include "smscoreapi.h"
+
+#include <linux/types.h>
+#include <linux/input.h>
+
+#include "smsir.h"
+#include "sms-cards.h"
+
+#define MODULE_NAME "smsmdtv"
+
+void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
+{
+ int i;
+ const s32 *samples = (const void *)buf;
+
+ for (i = 0; i < len >> 2; i++) {
+ DEFINE_IR_RAW_EVENT(ev);
+
+ ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
+ ev.pulse = (samples[i] > 0) ? false : true;
+
+ ir_raw_event_store(coredev->ir.dev, &ev);
+ }
+ ir_raw_event_handle(coredev->ir.dev);
+}
+
+int sms_ir_init(struct smscore_device_t *coredev)
+{
+ int err;
+ int board_id = smscore_get_board_id(coredev);
+ struct rc_dev *dev;
+
+ pr_debug("Allocating rc device\n");
+ dev = rc_allocate_device(RC_DRIVER_IR_RAW);
+ if (!dev)
+ return -ENOMEM;
+
+ coredev->ir.controller = 0; /* Todo: vega/nova SPI number */
+ coredev->ir.timeout = IR_DEFAULT_TIMEOUT;
+ pr_debug("IR port %d, timeout %d ms\n",
+ coredev->ir.controller, coredev->ir.timeout);
+
+ snprintf(coredev->ir.name, sizeof(coredev->ir.name),
+ "SMS IR (%s)", sms_get_board(board_id)->name);
+
+ strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
+ strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
+
+ dev->device_name = coredev->ir.name;
+ dev->input_phys = coredev->ir.phys;
+ dev->dev.parent = coredev->device;
+
+#if 0
+ /* TODO: properly initialize the parameters below */
+ dev->input_id.bustype = BUS_USB;
+ dev->input_id.version = 1;
+ dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
+ dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
+#endif
+
+ dev->priv = coredev;
+ dev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
+ dev->map_name = sms_get_board(board_id)->rc_codes;
+ dev->driver_name = MODULE_NAME;
+
+ pr_debug("Input device (IR) %s is set for key events\n",
+ dev->device_name);
+
+ err = rc_register_device(dev);
+ if (err < 0) {
+ pr_err("Failed to register device\n");
+ rc_free_device(dev);
+ return err;
+ }
+
+ coredev->ir.dev = dev;
+ return 0;
+}
+
+void sms_ir_exit(struct smscore_device_t *coredev)
+{
+ rc_unregister_device(coredev->ir.dev);
+
+ pr_debug("\n");
+}