diff options
Diffstat (limited to 'sound/soc/codecs/wm8741.c')
| -rw-r--r-- | sound/soc/codecs/wm8741.c | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c index 1fedf74da705..4dfbb33edb09 100644 --- a/sound/soc/codecs/wm8741.c +++ b/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> @@ -18,10 +14,10 @@ #include <linux/pm.h> #include <linux/i2c.h> #include <linux/spi/spi.h> +#include <linux/of.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> -#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -196,7 +192,7 @@ static int wm8741_hw_params(struct snd_pcm_substream *substream, { 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 @@ static int wm8741_hw_params(struct snd_pcm_substream *substream, 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; } @@ -302,7 +308,7 @@ static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai, /* check master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: + case SND_SOC_DAIFMT_CBC_CFC: break; default: return -EINVAL; @@ -358,6 +364,15 @@ static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai, 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 @@ static const struct snd_soc_dai_ops wm8741_dai_ops = { .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 = { @@ -511,7 +528,6 @@ static const struct snd_soc_component_driver soc_component_dev_wm8741 = { .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, - .non_legacy_dai_naming = 1, }; static const struct of_device_id wm8741_of_match[] = { @@ -527,7 +543,7 @@ static const struct regmap_config wm8741_regmap = { .reg_defaults = wm8741_reg_defaults, .num_reg_defaults = ARRAY_SIZE(wm8741_reg_defaults), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741) @@ -548,8 +564,7 @@ static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741) } #if IS_ENABLED(CONFIG_I2C) -static int wm8741_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static int wm8741_i2c_probe(struct i2c_client *i2c) { struct wm8741_priv *wm8741; int ret, i; @@ -591,7 +606,7 @@ static int wm8741_i2c_probe(struct i2c_client *i2c, } static const struct i2c_device_id wm8741_i2c_id[] = { - { "wm8741", 0 }, + { "wm8741" }, { } }; MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id); @@ -601,7 +616,7 @@ static struct i2c_driver wm8741_i2c_driver = { .name = "wm8741", .of_match_table = wm8741_of_match, }, - .probe = wm8741_i2c_probe, + .probe = wm8741_i2c_probe, .id_table = wm8741_i2c_id, }; #endif |