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Diffstat (limited to 'sound/soc/codecs/wm8971.c')
-rw-r--r--sound/soc/codecs/wm8971.c127
1 files changed, 47 insertions, 80 deletions
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 032dca22dbd3..d66efb0546ea 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -59,44 +59,7 @@ static const u16 wm8971_reg[] = {
0x0079, 0x0079, 0x0079, /* 40 */
};
-static inline unsigned int wm8971_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg < WM8971_REG_COUNT)
- return cache[reg];
-
- return -1;
-}
-
-static inline void wm8971_write_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg < WM8971_REG_COUNT)
- cache[reg] = value;
-}
-
-static int wm8971_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D9 WM8753 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- wm8971_write_reg_cache (codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
-
-#define wm8971_reset(c) wm8971_write(c, WM8971_RESET, 0)
+#define wm8971_reset(c) snd_soc_write(c, WM8971_RESET, 0)
/* WM8971 Controls */
static const char *wm8971_bass[] = { "Linear Control", "Adaptive Boost" };
@@ -521,7 +484,7 @@ static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- wm8971_write(codec, WM8971_IFACE, iface);
+ snd_soc_write(codec, WM8971_IFACE, iface);
return 0;
}
@@ -533,8 +496,8 @@ static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
struct wm8971_priv *wm8971 = codec->private_data;
- u16 iface = wm8971_read_reg_cache(codec, WM8971_IFACE) & 0x1f3;
- u16 srate = wm8971_read_reg_cache(codec, WM8971_SRATE) & 0x1c0;
+ u16 iface = snd_soc_read(codec, WM8971_IFACE) & 0x1f3;
+ u16 srate = snd_soc_read(codec, WM8971_SRATE) & 0x1c0;
int coeff = get_coeff(wm8971->sysclk, params_rate(params));
/* bit size */
@@ -553,9 +516,9 @@ static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream,
}
/* set iface & srate */
- wm8971_write(codec, WM8971_IFACE, iface);
+ snd_soc_write(codec, WM8971_IFACE, iface);
if (coeff >= 0)
- wm8971_write(codec, WM8971_SRATE, srate |
+ snd_soc_write(codec, WM8971_SRATE, srate |
(coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
return 0;
@@ -564,33 +527,33 @@ static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream,
static int wm8971_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = wm8971_read_reg_cache(codec, WM8971_ADCDAC) & 0xfff7;
+ u16 mute_reg = snd_soc_read(codec, WM8971_ADCDAC) & 0xfff7;
if (mute)
- wm8971_write(codec, WM8971_ADCDAC, mute_reg | 0x8);
+ snd_soc_write(codec, WM8971_ADCDAC, mute_reg | 0x8);
else
- wm8971_write(codec, WM8971_ADCDAC, mute_reg);
+ snd_soc_write(codec, WM8971_ADCDAC, mute_reg);
return 0;
}
static int wm8971_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 pwr_reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
+ u16 pwr_reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
switch (level) {
case SND_SOC_BIAS_ON:
/* set vmid to 50k and unmute dac */
- wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x00c1);
+ snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x00c1);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
/* mute dac and set vmid to 500k, enable VREF */
- wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
+ snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
break;
case SND_SOC_BIAS_OFF:
- wm8971_write(codec, WM8971_PWR1, 0x0001);
+ snd_soc_write(codec, WM8971_PWR1, 0x0001);
break;
}
codec->bias_level = level;
@@ -667,8 +630,8 @@ static int wm8971_resume(struct platform_device *pdev)
/* charge wm8971 caps */
if (codec->suspend_bias_level == SND_SOC_BIAS_ON) {
- reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
- wm8971_write(codec, WM8971_PWR1, reg | 0x01c0);
+ reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
+ snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
codec->bias_level = SND_SOC_BIAS_ON;
queue_delayed_work(wm8971_workq, &codec->delayed_work,
msecs_to_jiffies(1000));
@@ -677,15 +640,14 @@ static int wm8971_resume(struct platform_device *pdev)
return 0;
}
-static int wm8971_init(struct snd_soc_device *socdev)
+static int wm8971_init(struct snd_soc_device *socdev,
+ enum snd_soc_control_type control)
{
struct snd_soc_codec *codec = socdev->card->codec;
int reg, ret = 0;
codec->name = "WM8971";
codec->owner = THIS_MODULE;
- codec->read = wm8971_read_reg_cache;
- codec->write = wm8971_write;
codec->set_bias_level = wm8971_set_bias_level;
codec->dai = &wm8971_dai;
codec->reg_cache_size = ARRAY_SIZE(wm8971_reg);
@@ -695,42 +657,48 @@ static int wm8971_init(struct snd_soc_device *socdev)
if (codec->reg_cache == NULL)
return -ENOMEM;
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8971: failed to set cache I/O: %d\n", ret);
+ goto err;
+ }
+
wm8971_reset(codec);
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "wm8971: failed to create pcms\n");
- goto pcm_err;
+ goto err;
}
/* charge output caps - set vmid to 5k for quick power up */
- reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
- wm8971_write(codec, WM8971_PWR1, reg | 0x01c0);
+ reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
+ snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
codec->bias_level = SND_SOC_BIAS_STANDBY;
queue_delayed_work(wm8971_workq, &codec->delayed_work,
msecs_to_jiffies(1000));
/* set the update bits */
- reg = wm8971_read_reg_cache(codec, WM8971_LDAC);
- wm8971_write(codec, WM8971_LDAC, reg | 0x0100);
- reg = wm8971_read_reg_cache(codec, WM8971_RDAC);
- wm8971_write(codec, WM8971_RDAC, reg | 0x0100);
-
- reg = wm8971_read_reg_cache(codec, WM8971_LOUT1V);
- wm8971_write(codec, WM8971_LOUT1V, reg | 0x0100);
- reg = wm8971_read_reg_cache(codec, WM8971_ROUT1V);
- wm8971_write(codec, WM8971_ROUT1V, reg | 0x0100);
-
- reg = wm8971_read_reg_cache(codec, WM8971_LOUT2V);
- wm8971_write(codec, WM8971_LOUT2V, reg | 0x0100);
- reg = wm8971_read_reg_cache(codec, WM8971_ROUT2V);
- wm8971_write(codec, WM8971_ROUT2V, reg | 0x0100);
-
- reg = wm8971_read_reg_cache(codec, WM8971_LINVOL);
- wm8971_write(codec, WM8971_LINVOL, reg | 0x0100);
- reg = wm8971_read_reg_cache(codec, WM8971_RINVOL);
- wm8971_write(codec, WM8971_RINVOL, reg | 0x0100);
+ reg = snd_soc_read(codec, WM8971_LDAC);
+ snd_soc_write(codec, WM8971_LDAC, reg | 0x0100);
+ reg = snd_soc_read(codec, WM8971_RDAC);
+ snd_soc_write(codec, WM8971_RDAC, reg | 0x0100);
+
+ reg = snd_soc_read(codec, WM8971_LOUT1V);
+ snd_soc_write(codec, WM8971_LOUT1V, reg | 0x0100);
+ reg = snd_soc_read(codec, WM8971_ROUT1V);
+ snd_soc_write(codec, WM8971_ROUT1V, reg | 0x0100);
+
+ reg = snd_soc_read(codec, WM8971_LOUT2V);
+ snd_soc_write(codec, WM8971_LOUT2V, reg | 0x0100);
+ reg = snd_soc_read(codec, WM8971_ROUT2V);
+ snd_soc_write(codec, WM8971_ROUT2V, reg | 0x0100);
+
+ reg = snd_soc_read(codec, WM8971_LINVOL);
+ snd_soc_write(codec, WM8971_LINVOL, reg | 0x0100);
+ reg = snd_soc_read(codec, WM8971_RINVOL);
+ snd_soc_write(codec, WM8971_RINVOL, reg | 0x0100);
snd_soc_add_controls(codec, wm8971_snd_controls,
ARRAY_SIZE(wm8971_snd_controls));
@@ -745,7 +713,7 @@ static int wm8971_init(struct snd_soc_device *socdev)
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
-pcm_err:
+err:
kfree(codec->reg_cache);
return ret;
}
@@ -767,7 +735,7 @@ static int wm8971_i2c_probe(struct i2c_client *i2c,
codec->control_data = i2c;
- ret = wm8971_init(socdev);
+ ret = wm8971_init(socdev, SND_SOC_I2C);
if (ret < 0)
pr_err("failed to initialise WM8971\n");
@@ -877,7 +845,6 @@ static int wm8971_probe(struct platform_device *pdev)
#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- codec->hw_write = (hw_write_t)i2c_master_send;
ret = wm8971_add_i2c_device(pdev, setup);
}
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.