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/sound/soc/codecs/wm8741.c | 29 +++++++++++++++++++++++------
1 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/kernel/sound/soc/codecs/wm8741.c b/kernel/sound/soc/codecs/wm8741.c
index 1fedf74..0e39943 100644
--- a/kernel/sound/soc/codecs/wm8741.c
+++ b/kernel/sound/soc/codecs/wm8741.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* wm8741.c -- WM8741 ALSA SoC Audio driver
*
* Copyright 2010-1 Wolfson Microelectronics plc
*
* Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
- *
- *
- * 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.
*/
#include <linux/module.h>
@@ -196,7 +192,7 @@
{
struct snd_soc_component *component = dai->component;
struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
- unsigned int iface;
+ unsigned int iface, mode;
int i;
/* The set of sample rates that can be supported depends on the
@@ -240,11 +236,21 @@
return -EINVAL;
}
+ /* oversampling rate */
+ if (params_rate(params) > 96000)
+ mode = 0x40;
+ else if (params_rate(params) > 48000)
+ mode = 0x20;
+ else
+ mode = 0x00;
+
dev_dbg(component->dev, "wm8741_hw_params: bit size param = %d, rate param = %d",
params_width(params), params_rate(params));
snd_soc_component_update_bits(component, WM8741_FORMAT_CONTROL, WM8741_IWL_MASK,
iface);
+ snd_soc_component_update_bits(component, WM8741_MODE_CONTROL_1, WM8741_OSR_MASK,
+ mode);
return 0;
}
@@ -358,6 +364,15 @@
return 0;
}
+static int wm8741_mute(struct snd_soc_dai *codec_dai, int mute, int direction)
+{
+ struct snd_soc_component *component = codec_dai->component;
+
+ snd_soc_component_update_bits(component, WM8741_VOLUME_CONTROL,
+ WM8741_SOFT_MASK, !!mute << WM8741_SOFT_SHIFT);
+ return 0;
+}
+
#define WM8741_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | \
@@ -371,6 +386,8 @@
.hw_params = wm8741_hw_params,
.set_sysclk = wm8741_set_dai_sysclk,
.set_fmt = wm8741_set_dai_fmt,
+ .mute_stream = wm8741_mute,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver wm8741_dai = {
--
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