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Diffstat (limited to 'sound/soc/codecs/max98095.c')
-rw-r--r--sound/soc/codecs/max98095.c482
1 files changed, 180 insertions, 302 deletions
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index 8dbcacd..6724431 100644
--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -39,6 +39,7 @@ struct max98095_cdata {
};
struct max98095_priv {
+ struct regmap *regmap;
enum max98095_type devtype;
struct max98095_pdata *pdata;
unsigned int sysclk;
@@ -56,263 +57,145 @@ struct max98095_priv {
struct snd_soc_jack *mic_jack;
};
-static const u8 max98095_reg_def[M98095_REG_CNT] = {
- 0x00, /* 00 */
- 0x00, /* 01 */
- 0x00, /* 02 */
- 0x00, /* 03 */
- 0x00, /* 04 */
- 0x00, /* 05 */
- 0x00, /* 06 */
- 0x00, /* 07 */
- 0x00, /* 08 */
- 0x00, /* 09 */
- 0x00, /* 0A */
- 0x00, /* 0B */
- 0x00, /* 0C */
- 0x00, /* 0D */
- 0x00, /* 0E */
- 0x00, /* 0F */
- 0x00, /* 10 */
- 0x00, /* 11 */
- 0x00, /* 12 */
- 0x00, /* 13 */
- 0x00, /* 14 */
- 0x00, /* 15 */
- 0x00, /* 16 */
- 0x00, /* 17 */
- 0x00, /* 18 */
- 0x00, /* 19 */
- 0x00, /* 1A */
- 0x00, /* 1B */
- 0x00, /* 1C */
- 0x00, /* 1D */
- 0x00, /* 1E */
- 0x00, /* 1F */
- 0x00, /* 20 */
- 0x00, /* 21 */
- 0x00, /* 22 */
- 0x00, /* 23 */
- 0x00, /* 24 */
- 0x00, /* 25 */
- 0x00, /* 26 */
- 0x00, /* 27 */
- 0x00, /* 28 */
- 0x00, /* 29 */
- 0x00, /* 2A */
- 0x00, /* 2B */
- 0x00, /* 2C */
- 0x00, /* 2D */
- 0x00, /* 2E */
- 0x00, /* 2F */
- 0x00, /* 30 */
- 0x00, /* 31 */
- 0x00, /* 32 */
- 0x00, /* 33 */
- 0x00, /* 34 */
- 0x00, /* 35 */
- 0x00, /* 36 */
- 0x00, /* 37 */
- 0x00, /* 38 */
- 0x00, /* 39 */
- 0x00, /* 3A */
- 0x00, /* 3B */
- 0x00, /* 3C */
- 0x00, /* 3D */
- 0x00, /* 3E */
- 0x00, /* 3F */
- 0x00, /* 40 */
- 0x00, /* 41 */
- 0x00, /* 42 */
- 0x00, /* 43 */
- 0x00, /* 44 */
- 0x00, /* 45 */
- 0x00, /* 46 */
- 0x00, /* 47 */
- 0x00, /* 48 */
- 0x00, /* 49 */
- 0x00, /* 4A */
- 0x00, /* 4B */
- 0x00, /* 4C */
- 0x00, /* 4D */
- 0x00, /* 4E */
- 0x00, /* 4F */
- 0x00, /* 50 */
- 0x00, /* 51 */
- 0x00, /* 52 */
- 0x00, /* 53 */
- 0x00, /* 54 */
- 0x00, /* 55 */
- 0x00, /* 56 */
- 0x00, /* 57 */
- 0x00, /* 58 */
- 0x00, /* 59 */
- 0x00, /* 5A */
- 0x00, /* 5B */
- 0x00, /* 5C */
- 0x00, /* 5D */
- 0x00, /* 5E */
- 0x00, /* 5F */
- 0x00, /* 60 */
- 0x00, /* 61 */
- 0x00, /* 62 */
- 0x00, /* 63 */
- 0x00, /* 64 */
- 0x00, /* 65 */
- 0x00, /* 66 */
- 0x00, /* 67 */
- 0x00, /* 68 */
- 0x00, /* 69 */
- 0x00, /* 6A */
- 0x00, /* 6B */
- 0x00, /* 6C */
- 0x00, /* 6D */
- 0x00, /* 6E */
- 0x00, /* 6F */
- 0x00, /* 70 */
- 0x00, /* 71 */
- 0x00, /* 72 */
- 0x00, /* 73 */
- 0x00, /* 74 */
- 0x00, /* 75 */
- 0x00, /* 76 */
- 0x00, /* 77 */
- 0x00, /* 78 */
- 0x00, /* 79 */
- 0x00, /* 7A */
- 0x00, /* 7B */
- 0x00, /* 7C */
- 0x00, /* 7D */
- 0x00, /* 7E */
- 0x00, /* 7F */
- 0x00, /* 80 */
- 0x00, /* 81 */
- 0x00, /* 82 */
- 0x00, /* 83 */
- 0x00, /* 84 */
- 0x00, /* 85 */
- 0x00, /* 86 */
- 0x00, /* 87 */
- 0x00, /* 88 */
- 0x00, /* 89 */
- 0x00, /* 8A */
- 0x00, /* 8B */
- 0x00, /* 8C */
- 0x00, /* 8D */
- 0x00, /* 8E */
- 0x00, /* 8F */
- 0x00, /* 90 */
- 0x00, /* 91 */
- 0x30, /* 92 */
- 0xF0, /* 93 */
- 0x00, /* 94 */
- 0x00, /* 95 */
- 0x3F, /* 96 */
- 0x00, /* 97 */
- 0x00, /* 98 */
- 0x00, /* 99 */
- 0x00, /* 9A */
- 0x00, /* 9B */
- 0x00, /* 9C */
- 0x00, /* 9D */
- 0x00, /* 9E */
- 0x00, /* 9F */
- 0x00, /* A0 */
- 0x00, /* A1 */
- 0x00, /* A2 */
- 0x00, /* A3 */
- 0x00, /* A4 */
- 0x00, /* A5 */
- 0x00, /* A6 */
- 0x00, /* A7 */
- 0x00, /* A8 */
- 0x00, /* A9 */
- 0x00, /* AA */
- 0x00, /* AB */
- 0x00, /* AC */
- 0x00, /* AD */
- 0x00, /* AE */
- 0x00, /* AF */
- 0x00, /* B0 */
- 0x00, /* B1 */
- 0x00, /* B2 */
- 0x00, /* B3 */
- 0x00, /* B4 */
- 0x00, /* B5 */
- 0x00, /* B6 */
- 0x00, /* B7 */
- 0x00, /* B8 */
- 0x00, /* B9 */
- 0x00, /* BA */
- 0x00, /* BB */
- 0x00, /* BC */
- 0x00, /* BD */
- 0x00, /* BE */
- 0x00, /* BF */
- 0x00, /* C0 */
- 0x00, /* C1 */
- 0x00, /* C2 */
- 0x00, /* C3 */
- 0x00, /* C4 */
- 0x00, /* C5 */
- 0x00, /* C6 */
- 0x00, /* C7 */
- 0x00, /* C8 */
- 0x00, /* C9 */
- 0x00, /* CA */
- 0x00, /* CB */
- 0x00, /* CC */
- 0x00, /* CD */
- 0x00, /* CE */
- 0x00, /* CF */
- 0x00, /* D0 */
- 0x00, /* D1 */
- 0x00, /* D2 */
- 0x00, /* D3 */
- 0x00, /* D4 */
- 0x00, /* D5 */
- 0x00, /* D6 */
- 0x00, /* D7 */
- 0x00, /* D8 */
- 0x00, /* D9 */
- 0x00, /* DA */
- 0x00, /* DB */
- 0x00, /* DC */
- 0x00, /* DD */
- 0x00, /* DE */
- 0x00, /* DF */
- 0x00, /* E0 */
- 0x00, /* E1 */
- 0x00, /* E2 */
- 0x00, /* E3 */
- 0x00, /* E4 */
- 0x00, /* E5 */
- 0x00, /* E6 */
- 0x00, /* E7 */
- 0x00, /* E8 */
- 0x00, /* E9 */
- 0x00, /* EA */
- 0x00, /* EB */
- 0x00, /* EC */
- 0x00, /* ED */
- 0x00, /* EE */
- 0x00, /* EF */
- 0x00, /* F0 */
- 0x00, /* F1 */
- 0x00, /* F2 */
- 0x00, /* F3 */
- 0x00, /* F4 */
- 0x00, /* F5 */
- 0x00, /* F6 */
- 0x00, /* F7 */
- 0x00, /* F8 */
- 0x00, /* F9 */
- 0x00, /* FA */
- 0x00, /* FB */
- 0x00, /* FC */
- 0x00, /* FD */
- 0x00, /* FE */
- 0x00, /* FF */
+static const struct reg_default max98095_reg_def[] = {
+ { 0xf, 0x00 }, /* 0F */
+ { 0x10, 0x00 }, /* 10 */
+ { 0x11, 0x00 }, /* 11 */
+ { 0x12, 0x00 }, /* 12 */
+ { 0x13, 0x00 }, /* 13 */
+ { 0x14, 0x00 }, /* 14 */
+ { 0x15, 0x00 }, /* 15 */
+ { 0x16, 0x00 }, /* 16 */
+ { 0x17, 0x00 }, /* 17 */
+ { 0x18, 0x00 }, /* 18 */
+ { 0x19, 0x00 }, /* 19 */
+ { 0x1a, 0x00 }, /* 1A */
+ { 0x1b, 0x00 }, /* 1B */
+ { 0x1c, 0x00 }, /* 1C */
+ { 0x1d, 0x00 }, /* 1D */
+ { 0x1e, 0x00 }, /* 1E */
+ { 0x1f, 0x00 }, /* 1F */
+ { 0x20, 0x00 }, /* 20 */
+ { 0x21, 0x00 }, /* 21 */
+ { 0x22, 0x00 }, /* 22 */
+ { 0x23, 0x00 }, /* 23 */
+ { 0x24, 0x00 }, /* 24 */
+ { 0x25, 0x00 }, /* 25 */
+ { 0x26, 0x00 }, /* 26 */
+ { 0x27, 0x00 }, /* 27 */
+ { 0x28, 0x00 }, /* 28 */
+ { 0x29, 0x00 }, /* 29 */
+ { 0x2a, 0x00 }, /* 2A */
+ { 0x2b, 0x00 }, /* 2B */
+ { 0x2c, 0x00 }, /* 2C */
+ { 0x2d, 0x00 }, /* 2D */
+ { 0x2e, 0x00 }, /* 2E */
+ { 0x2f, 0x00 }, /* 2F */
+ { 0x30, 0x00 }, /* 30 */
+ { 0x31, 0x00 }, /* 31 */
+ { 0x32, 0x00 }, /* 32 */
+ { 0x33, 0x00 }, /* 33 */
+ { 0x34, 0x00 }, /* 34 */
+ { 0x35, 0x00 }, /* 35 */
+ { 0x36, 0x00 }, /* 36 */
+ { 0x37, 0x00 }, /* 37 */
+ { 0x38, 0x00 }, /* 38 */
+ { 0x39, 0x00 }, /* 39 */
+ { 0x3a, 0x00 }, /* 3A */
+ { 0x3b, 0x00 }, /* 3B */
+ { 0x3c, 0x00 }, /* 3C */
+ { 0x3d, 0x00 }, /* 3D */
+ { 0x3e, 0x00 }, /* 3E */
+ { 0x3f, 0x00 }, /* 3F */
+ { 0x40, 0x00 }, /* 40 */
+ { 0x41, 0x00 }, /* 41 */
+ { 0x42, 0x00 }, /* 42 */
+ { 0x43, 0x00 }, /* 43 */
+ { 0x44, 0x00 }, /* 44 */
+ { 0x45, 0x00 }, /* 45 */
+ { 0x46, 0x00 }, /* 46 */
+ { 0x47, 0x00 }, /* 47 */
+ { 0x48, 0x00 }, /* 48 */
+ { 0x49, 0x00 }, /* 49 */
+ { 0x4a, 0x00 }, /* 4A */
+ { 0x4b, 0x00 }, /* 4B */
+ { 0x4c, 0x00 }, /* 4C */
+ { 0x4d, 0x00 }, /* 4D */
+ { 0x4e, 0x00 }, /* 4E */
+ { 0x4f, 0x00 }, /* 4F */
+ { 0x50, 0x00 }, /* 50 */
+ { 0x51, 0x00 }, /* 51 */
+ { 0x52, 0x00 }, /* 52 */
+ { 0x53, 0x00 }, /* 53 */
+ { 0x54, 0x00 }, /* 54 */
+ { 0x55, 0x00 }, /* 55 */
+ { 0x56, 0x00 }, /* 56 */
+ { 0x57, 0x00 }, /* 57 */
+ { 0x58, 0x00 }, /* 58 */
+ { 0x59, 0x00 }, /* 59 */
+ { 0x5a, 0x00 }, /* 5A */
+ { 0x5b, 0x00 }, /* 5B */
+ { 0x5c, 0x00 }, /* 5C */
+ { 0x5d, 0x00 }, /* 5D */
+ { 0x5e, 0x00 }, /* 5E */
+ { 0x5f, 0x00 }, /* 5F */
+ { 0x60, 0x00 }, /* 60 */
+ { 0x61, 0x00 }, /* 61 */
+ { 0x62, 0x00 }, /* 62 */
+ { 0x63, 0x00 }, /* 63 */
+ { 0x64, 0x00 }, /* 64 */
+ { 0x65, 0x00 }, /* 65 */
+ { 0x66, 0x00 }, /* 66 */
+ { 0x67, 0x00 }, /* 67 */
+ { 0x68, 0x00 }, /* 68 */
+ { 0x69, 0x00 }, /* 69 */
+ { 0x6a, 0x00 }, /* 6A */
+ { 0x6b, 0x00 }, /* 6B */
+ { 0x6c, 0x00 }, /* 6C */
+ { 0x6d, 0x00 }, /* 6D */
+ { 0x6e, 0x00 }, /* 6E */
+ { 0x6f, 0x00 }, /* 6F */
+ { 0x70, 0x00 }, /* 70 */
+ { 0x71, 0x00 }, /* 71 */
+ { 0x72, 0x00 }, /* 72 */
+ { 0x73, 0x00 }, /* 73 */
+ { 0x74, 0x00 }, /* 74 */
+ { 0x75, 0x00 }, /* 75 */
+ { 0x76, 0x00 }, /* 76 */
+ { 0x77, 0x00 }, /* 77 */
+ { 0x78, 0x00 }, /* 78 */
+ { 0x79, 0x00 }, /* 79 */
+ { 0x7a, 0x00 }, /* 7A */
+ { 0x7b, 0x00 }, /* 7B */
+ { 0x7c, 0x00 }, /* 7C */
+ { 0x7d, 0x00 }, /* 7D */
+ { 0x7e, 0x00 }, /* 7E */
+ { 0x7f, 0x00 }, /* 7F */
+ { 0x80, 0x00 }, /* 80 */
+ { 0x81, 0x00 }, /* 81 */
+ { 0x82, 0x00 }, /* 82 */
+ { 0x83, 0x00 }, /* 83 */
+ { 0x84, 0x00 }, /* 84 */
+ { 0x85, 0x00 }, /* 85 */
+ { 0x86, 0x00 }, /* 86 */
+ { 0x87, 0x00 }, /* 87 */
+ { 0x88, 0x00 }, /* 88 */
+ { 0x89, 0x00 }, /* 89 */
+ { 0x8a, 0x00 }, /* 8A */
+ { 0x8b, 0x00 }, /* 8B */
+ { 0x8c, 0x00 }, /* 8C */
+ { 0x8d, 0x00 }, /* 8D */
+ { 0x8e, 0x00 }, /* 8E */
+ { 0x8f, 0x00 }, /* 8F */
+ { 0x90, 0x00 }, /* 90 */
+ { 0x91, 0x00 }, /* 91 */
+ { 0x92, 0x30 }, /* 92 */
+ { 0x93, 0xF0 }, /* 93 */
+ { 0x94, 0x00 }, /* 94 */
+ { 0x95, 0x00 }, /* 95 */
+ { 0x96, 0x3F }, /* 96 */
+ { 0x97, 0x00 }, /* 97 */
+ { 0xff, 0x00 }, /* FF */
};
static struct {
@@ -577,14 +460,14 @@ static struct {
{ 0xFF, 0x00 }, /* FF */
};
-static int max98095_readable(struct snd_soc_codec *codec, unsigned int reg)
+static bool max98095_readable(struct device *dev, unsigned int reg)
{
if (reg >= M98095_REG_CNT)
return 0;
return max98095_access[reg].readable != 0;
}
-static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg)
+static bool max98095_volatile(struct device *dev, unsigned int reg)
{
if (reg > M98095_REG_MAX_CACHED)
return 1;
@@ -611,22 +494,18 @@ static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg)
return 0;
}
-/*
- * Filter coefficients are in a separate register segment
- * and they share the address space of the normal registers.
- * The coefficient registers do not need or share the cache.
- */
-static int max98095_hw_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- int ret;
+static const struct regmap_config max98095_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
- codec->cache_bypass = 1;
- ret = snd_soc_write(codec, reg, value);
- codec->cache_bypass = 0;
+ .reg_defaults = max98095_reg_def,
+ .num_reg_defaults = ARRAY_SIZE(max98095_reg_def),
+ .max_register = M98095_0FF_REV_ID,
+ .cache_type = REGCACHE_RBTREE,
- return ret ? -EIO : 0;
-}
+ .readable_reg = max98095_readable,
+ .volatile_reg = max98095_volatile,
+};
/*
* Load equalizer DSP coefficient configurations registers
@@ -637,8 +516,9 @@ static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
unsigned int eq_reg;
unsigned int i;
- BUG_ON(band > 4);
- BUG_ON(dai > 1);
+ if (WARN_ON(band > 4) ||
+ WARN_ON(dai > 1))
+ return;
/* Load the base register address */
eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
@@ -648,8 +528,8 @@ static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
/* Step through the registers and coefs */
for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
- max98095_hw_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
- max98095_hw_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
+ snd_soc_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
+ snd_soc_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
}
}
@@ -662,8 +542,9 @@ static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
unsigned int bq_reg;
unsigned int i;
- BUG_ON(band > 1);
- BUG_ON(dai > 1);
+ if (WARN_ON(band > 1) ||
+ WARN_ON(dai > 1))
+ return;
/* Load the base register address */
bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
@@ -673,8 +554,8 @@ static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
/* Step through the registers and coefs */
for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
- max98095_hw_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
- max98095_hw_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
+ snd_soc_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
+ snd_soc_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
}
}
@@ -1011,7 +892,8 @@ static int max98095_line_pga(struct snd_soc_dapm_widget *w,
struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
u8 *state;
- BUG_ON(!((channel == 1) || (channel == 2)));
+ if (WARN_ON(!(channel == 1 || channel == 2)))
+ return -EINVAL;
state = &max98095->lin_state;
@@ -1285,14 +1167,6 @@ static const struct snd_soc_dapm_route max98095_audio_map[] = {
{"MIC2 Input", NULL, "MIC2"},
};
-static int max98095_add_widgets(struct snd_soc_codec *codec)
-{
- snd_soc_add_codec_controls(codec, max98095_snd_controls,
- ARRAY_SIZE(max98095_snd_controls));
-
- return 0;
-}
-
/* codec mclk clock divider coefficients */
static const struct {
u32 rate;
@@ -1748,6 +1622,7 @@ static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
static int max98095_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
int ret;
switch (level) {
@@ -1759,7 +1634,7 @@ static int max98095_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- ret = snd_soc_cache_sync(codec);
+ ret = regcache_sync(max98095->regmap);
if (ret != 0) {
dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
@@ -1774,7 +1649,7 @@ static int max98095_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_OFF:
snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
M98095_MBEN, 0);
- codec->cache_sync = 1;
+ regcache_mark_dirty(max98095->regmap);
break;
}
codec->dapm.bias_level = level;
@@ -1868,7 +1743,8 @@ static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
int fs, best, best_val, i;
int regmask, regsave;
- BUG_ON(channel > 1);
+ if (WARN_ON(channel > 1))
+ return -EINVAL;
if (!pdata || !max98095->eq_textcnt)
return 0;
@@ -2341,7 +2217,7 @@ static int max98095_reset(struct snd_soc_codec *codec)
/* Reset to hardware default for registers, as there is not
* a soft reset hardware control register */
for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
- ret = snd_soc_write(codec, i, max98095_reg_def[i]);
+ ret = snd_soc_write(codec, i, snd_soc_read(codec, i));
if (ret < 0) {
dev_err(codec->dev, "Failed to reset: %d\n", ret);
return ret;
@@ -2358,7 +2234,7 @@ static int max98095_probe(struct snd_soc_codec *codec)
struct i2c_client *client;
int ret = 0;
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@@ -2447,8 +2323,6 @@ static int max98095_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
M98095_SHDNRUN);
- max98095_add_widgets(codec);
-
return 0;
err_irq:
@@ -2480,11 +2354,8 @@ static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
.suspend = max98095_suspend,
.resume = max98095_resume,
.set_bias_level = max98095_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(max98095_reg_def),
- .reg_word_size = sizeof(u8),
- .reg_cache_default = max98095_reg_def,
- .readable_register = max98095_readable,
- .volatile_register = max98095_volatile,
+ .controls = max98095_snd_controls,
+ .num_controls = ARRAY_SIZE(max98095_snd_controls),
.dapm_widgets = max98095_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
.dapm_routes = max98095_audio_map,
@@ -2502,6 +2373,13 @@ static int max98095_i2c_probe(struct i2c_client *i2c,
if (max98095 == NULL)
return -ENOMEM;
+ max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap);
+ if (IS_ERR(max98095->regmap)) {
+ ret = PTR_ERR(max98095->regmap);
+ dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
+ return ret;
+ }
+
max98095->devtype = id->driver_data;
i2c_set_clientdata(i2c, max98095);
max98095->pdata = i2c->dev.platform_data;
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