修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/sound/pci/ice1712/maya44.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
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  *
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@@ -5,21 +6,6 @@
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  *
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  *	Copyright (c) 2009 Takashi Iwai <tiwai@suse.de>
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  *	Based on the patches by Rainer Zimmermann <mail@lightshed.de>
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- *
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- *   This program is free software; you can redistribute it and/or modify
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- *   it under the terms of the GNU General Public License as published by
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- *   the Free Software Foundation; either version 2 of the License, or
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- *   (at your option) any later version.
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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- *
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- *   You should have received a copy of the GNU General Public License
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- *   along with this program; if not, write to the Free Software
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- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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- *
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  */
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 #include <linux/init.h>
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@@ -130,7 +116,7 @@
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 	unsigned char mux_bits[2];	/* extra bits for ADC mute */
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 };
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-static struct maya_vol_info vol_info[WM_NUM_VOLS] = {
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+static const struct maya_vol_info vol_info[WM_NUM_VOLS] = {
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 	[WM_VOL_HP] = {
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 		.maxval = 80,
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 		.regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R },
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@@ -172,7 +158,7 @@
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 			 struct snd_ctl_elem_info *uinfo)
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 {
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 	unsigned int idx = kcontrol->private_value;
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-	struct maya_vol_info *vol = &vol_info[idx];
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+	const struct maya_vol_info *vol = &vol_info[idx];
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 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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 	uinfo->count = 2;
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@@ -203,7 +189,7 @@
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 	struct snd_wm8776 *wm =
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 		&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
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 	unsigned int idx = kcontrol->private_value;
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-	struct maya_vol_info *vol = &vol_info[idx];
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+	const struct maya_vol_info *vol = &vol_info[idx];
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 	unsigned int val, data;
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 	int ch, changed = 0;
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@@ -438,7 +424,7 @@
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  * controls to be added
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  */
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-static struct snd_kcontrol_new maya_controls[] = {
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+static const struct snd_kcontrol_new maya_controls[] = {
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 	{
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 		.name = "Crossmix Playback Volume",
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 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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@@ -676,7 +662,7 @@
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 /*
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  * chip addresses on I2C bus
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  */
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-static unsigned char wm8776_addr[2] = {
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+static const unsigned char wm8776_addr[2] = {
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 	0x34, 0x36, /* codec 0 & 1 */
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 };
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@@ -726,7 +712,7 @@
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  * hence the driver needs to sets up it properly.
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  */
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-static unsigned char maya44_eeprom[] = {
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+static const unsigned char maya44_eeprom[] = {
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 	[ICE_EEP2_SYSCONF]     = 0x45,
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 		/* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */
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 	[ICE_EEP2_ACLINK]      = 0x80,