From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800

---
 kernel/drivers/iio/dac/cio-dac.c |   15 +++------------
 1 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/kernel/drivers/iio/dac/cio-dac.c b/kernel/drivers/iio/dac/cio-dac.c
index 6898b0c..77a6916 100644
--- a/kernel/drivers/iio/dac/cio-dac.c
+++ b/kernel/drivers/iio/dac/cio-dac.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * IIO driver for the Measurement Computing CIO-DAC
  * Copyright (C) 2016 William Breathitt Gray
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  *
  * This driver supports the following Measurement Computing devices: CIO-DAC16,
  * CIO-DAC06, and PC104-DAC06.
@@ -74,8 +66,8 @@
 	if (mask != IIO_CHAN_INFO_RAW)
 		return -EINVAL;
 
-	/* DAC can only accept up to a 16-bit value */
-	if ((unsigned int)val > 65535)
+	/* DAC can only accept up to a 12-bit value */
+	if ((unsigned int)val > 4095)
 		return -EINVAL;
 
 	priv->chan_out_states[chan->channel] = val;
@@ -118,7 +110,6 @@
 	indio_dev->channels = cio_dac_channels;
 	indio_dev->num_channels = CIO_DAC_NUM_CHAN;
 	indio_dev->name = dev_name(dev);
-	indio_dev->dev.parent = dev;
 
 	priv = iio_priv(indio_dev);
 	priv->base = base[id];

--
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