From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/sound/pci/ice1712/ews.c |   29 ++++++++++-------------------
 1 files changed, 10 insertions(+), 19 deletions(-)

diff --git a/kernel/sound/pci/ice1712/ews.c b/kernel/sound/pci/ice1712/ews.c
index b8af747..3794308 100644
--- a/kernel/sound/pci/ice1712/ews.c
+++ b/kernel/sound/pci/ice1712/ews.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
  *
@@ -5,21 +6,6 @@
  *
  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
  *                    2002 Takashi Iwai <tiwai@suse.de>
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   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.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */      
 
 #include <linux/delay.h>
@@ -611,7 +597,7 @@
 	return val != nval;
 }
 
-static struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] = {
+static const struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] = {
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "Input Sensitivity Switch",
@@ -806,7 +792,7 @@
   .private_value = xshift | (xinvert << 8),\
 }
 
-static struct snd_kcontrol_new snd_ice1712_ews88d_controls[] = {
+static const struct snd_kcontrol_new snd_ice1712_ews88d_controls[] = {
 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, 1, 0), /* inverted */
 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Output Optical", 1, 0, 0),
 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT External Master Clock", 2, 0, 0),
@@ -826,7 +812,12 @@
 
 	snd_i2c_lock(ice->i2c);
 	byte = reg;
-	snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1);
+	if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
+		snd_i2c_unlock(ice->i2c);
+		dev_err(ice->card->dev, "cannot send pca\n");
+		return -EIO;
+	}
+
 	byte = 0;
 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
 		snd_i2c_unlock(ice->i2c);
@@ -937,7 +928,7 @@
   .private_value = xshift | (xinvert << 8),\
 }
 
-static struct snd_kcontrol_new snd_ice1712_6fire_controls[] = {
+static const struct snd_kcontrol_new snd_ice1712_6fire_controls[] = {
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 		.name = "Analog Input Select",

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