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Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r--sound/soc/codecs/wm8731.c108
1 files changed, 29 insertions, 79 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index dfbc1bb375f4..4eb84ff691b3 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -50,60 +50,12 @@ static int wm8731_spi_write(struct spi_device *spi, const char *data, int len);
* There is no point in caching the reset register
*/
static const u16 wm8731_reg[WM8731_CACHEREGNUM] = {
- 0x0097, 0x0097, 0x0079, 0x0079,
- 0x000a, 0x0008, 0x009f, 0x000a,
- 0x0000, 0x0000
+ 0x0097, 0x0097, 0x0079, 0x0079,
+ 0x000a, 0x0008, 0x009f, 0x000a,
+ 0x0000, 0x0000
};
-/*
- * read wm8731 register cache
- */
-static inline unsigned int wm8731_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg == WM8731_RESET)
- return 0;
- if (reg >= WM8731_CACHEREGNUM)
- return -1;
- return cache[reg];
-}
-
-/*
- * write wm8731 register cache
- */
-static inline void wm8731_write_reg_cache(struct snd_soc_codec *codec,
- u16 reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= WM8731_CACHEREGNUM)
- return;
- cache[reg] = value;
-}
-
-/*
- * write to the WM8731 register space
- */
-static int wm8731_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D9 WM8731 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- wm8731_write_reg_cache(codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
-
-#define wm8731_reset(c) wm8731_write(c, WM8731_RESET, 0)
+#define wm8731_reset(c) snd_soc_write(c, WM8731_RESET, 0)
static const char *wm8731_input_select[] = {"Line In", "Mic"};
static const char *wm8731_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
@@ -260,12 +212,12 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
struct wm8731_priv *wm8731 = codec->private_data;
- u16 iface = wm8731_read_reg_cache(codec, WM8731_IFACE) & 0xfff3;
+ u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3;
int i = get_coeff(wm8731->sysclk, params_rate(params));
u16 srate = (coeff_div[i].sr << 2) |
(coeff_div[i].bosr << 1) | coeff_div[i].usb;
- wm8731_write(codec, WM8731_SRATE, srate);
+ snd_soc_write(codec, WM8731_SRATE, srate);
/* bit size */
switch (params_format(params)) {
@@ -279,7 +231,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream,
break;
}
- wm8731_write(codec, WM8731_IFACE, iface);
+ snd_soc_write(codec, WM8731_IFACE, iface);
return 0;
}
@@ -291,7 +243,7 @@ static int wm8731_pcm_prepare(struct snd_pcm_substream *substream,
struct snd_soc_codec *codec = socdev->card->codec;
/* set active */
- wm8731_write(codec, WM8731_ACTIVE, 0x0001);
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0001);
return 0;
}
@@ -306,19 +258,19 @@ static void wm8731_shutdown(struct snd_pcm_substream *substream,
/* deactivate */
if (!codec->active) {
udelay(50);
- wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0);
}
}
static int wm8731_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = wm8731_read_reg_cache(codec, WM8731_APDIGI) & 0xfff7;
+ u16 mute_reg = snd_soc_read(codec, WM8731_APDIGI) & 0xfff7;
if (mute)
- wm8731_write(codec, WM8731_APDIGI, mute_reg | 0x8);
+ snd_soc_write(codec, WM8731_APDIGI, mute_reg | 0x8);
else
- wm8731_write(codec, WM8731_APDIGI, mute_reg);
+ snd_soc_write(codec, WM8731_APDIGI, mute_reg);
return 0;
}
@@ -396,7 +348,7 @@ static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
/* set iface */
- wm8731_write(codec, WM8731_IFACE, iface);
+ snd_soc_write(codec, WM8731_IFACE, iface);
return 0;
}
@@ -412,12 +364,12 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
/* Clear PWROFF, gate CLKOUT, everything else as-is */
- reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f;
- wm8731_write(codec, WM8731_PWR, reg | 0x0040);
+ reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f;
+ snd_soc_write(codec, WM8731_PWR, reg | 0x0040);
break;
case SND_SOC_BIAS_OFF:
- wm8731_write(codec, WM8731_ACTIVE, 0x0);
- wm8731_write(codec, WM8731_PWR, 0xffff);
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0);
+ snd_soc_write(codec, WM8731_PWR, 0xffff);
break;
}
codec->bias_level = level;
@@ -466,7 +418,7 @@ static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
- wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0);
wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
@@ -556,7 +508,6 @@ static int wm8731_register(struct wm8731_priv *wm8731)
{
int ret;
struct snd_soc_codec *codec = &wm8731->codec;
- u16 reg;
if (wm8731_codec) {
dev_err(codec->dev, "Another WM8731 is registered\n");
@@ -571,8 +522,6 @@ static int wm8731_register(struct wm8731_priv *wm8731)
codec->private_data = wm8731;
codec->name = "WM8731";
codec->owner = THIS_MODULE;
- codec->read = wm8731_read_reg_cache;
- codec->write = wm8731_write;
codec->bias_level = SND_SOC_BIAS_OFF;
codec->set_bias_level = wm8731_set_bias_level;
codec->dai = &wm8731_dai;
@@ -582,6 +531,12 @@ static int wm8731_register(struct wm8731_priv *wm8731)
memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg));
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ goto err;
+ }
+
ret = wm8731_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
@@ -593,18 +548,13 @@ static int wm8731_register(struct wm8731_priv *wm8731)
wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch the update bits */
- reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V);
- wm8731_write(codec, WM8731_LOUT1V, reg & ~0x0100);
- reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V);
- wm8731_write(codec, WM8731_ROUT1V, reg & ~0x0100);
- reg = wm8731_read_reg_cache(codec, WM8731_LINVOL);
- wm8731_write(codec, WM8731_LINVOL, reg & ~0x0100);
- reg = wm8731_read_reg_cache(codec, WM8731_RINVOL);
- wm8731_write(codec, WM8731_RINVOL, reg & ~0x0100);
+ snd_soc_update_bits(codec, WM8731_LOUT1V, 0x100, 0);
+ snd_soc_update_bits(codec, WM8731_ROUT1V, 0x100, 0);
+ snd_soc_update_bits(codec, WM8731_LINVOL, 0x100, 0);
+ snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0);
/* Disable bypass path by default */
- reg = wm8731_read_reg_cache(codec, WM8731_APANA);
- wm8731_write(codec, WM8731_APANA, reg & ~0x4);
+ snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0);
wm8731_codec = codec;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-17 16:30:31 +0300