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Diffstat (limited to 'sound/soc/codecs/da7210.c')
-rw-r--r--sound/soc/codecs/da7210.c379
1 files changed, 319 insertions, 60 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 7843711729bc..af5db7080519 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -17,6 +17,7 @@
#include <linux/delay.h>
#include <linux/i2c.h>
+#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/module.h>
@@ -27,6 +28,7 @@
#include <sound/tlv.h>
/* DA7210 register space */
+#define DA7210_PAGE_CONTROL 0x00
#define DA7210_CONTROL 0x01
#define DA7210_STATUS 0x02
#define DA7210_STARTUP1 0x03
@@ -146,6 +148,7 @@
#define DA7210_DAI_EN (1 << 7)
/*PLL_DIV3 bit fields */
+#define DA7210_PLL_DIV_L_MASK (0xF << 0)
#define DA7210_MCLK_RANGE_10_20_MHZ (1 << 4)
#define DA7210_PLL_BYP (1 << 6)
@@ -162,12 +165,16 @@
#define DA7210_PLL_FS_48000 (0xB << 0)
#define DA7210_PLL_FS_88200 (0xE << 0)
#define DA7210_PLL_FS_96000 (0xF << 0)
+#define DA7210_MCLK_DET_EN (0x1 << 5)
+#define DA7210_MCLK_SRM_EN (0x1 << 6)
#define DA7210_PLL_EN (0x1 << 7)
/* SOFTMUTE bit fields */
#define DA7210_RAMP_EN (1 << 6)
/* CONTROL bit fields */
+#define DA7210_REG_EN (1 << 0)
+#define DA7210_BIAS_EN (1 << 2)
#define DA7210_NOISE_SUP_EN (1 << 3)
/* IN_GAIN bit fields */
@@ -206,6 +213,47 @@
#define DA7210_OUT2_OUTMIX_L (1 << 6)
#define DA7210_OUT2_EN (1 << 7)
+struct pll_div {
+ int fref;
+ int fout;
+ u8 div1;
+ u8 div2;
+ u8 div3;
+ u8 mode; /* 0 = slave, 1 = master */
+};
+
+/* PLL dividers table */
+static const struct pll_div da7210_pll_div[] = {
+ /* for MASTER mode, fs = 44.1Khz */
+ { 12000000, 2822400, 0xE8, 0x6C, 0x2, 1}, /* MCLK=12Mhz */
+ { 13000000, 2822400, 0xDF, 0x28, 0xC, 1}, /* MCLK=13Mhz */
+ { 13500000, 2822400, 0xDB, 0x0A, 0xD, 1}, /* MCLK=13.5Mhz */
+ { 14400000, 2822400, 0xD4, 0x5A, 0x2, 1}, /* MCLK=14.4Mhz */
+ { 19200000, 2822400, 0xBB, 0x43, 0x9, 1}, /* MCLK=19.2Mhz */
+ { 19680000, 2822400, 0xB9, 0x6D, 0xA, 1}, /* MCLK=19.68Mhz */
+ { 19800000, 2822400, 0xB8, 0xFB, 0xB, 1}, /* MCLK=19.8Mhz */
+ /* for MASTER mode, fs = 48Khz */
+ { 12000000, 3072000, 0xF3, 0x12, 0x7, 1}, /* MCLK=12Mhz */
+ { 13000000, 3072000, 0xE8, 0xFD, 0x5, 1}, /* MCLK=13Mhz */
+ { 13500000, 3072000, 0xE4, 0x82, 0x3, 1}, /* MCLK=13.5Mhz */
+ { 14400000, 3072000, 0xDD, 0x3A, 0x0, 1}, /* MCLK=14.4Mhz */
+ { 19200000, 3072000, 0xC1, 0xEB, 0x8, 1}, /* MCLK=19.2Mhz */
+ { 19680000, 3072000, 0xBF, 0xEC, 0x0, 1}, /* MCLK=19.68Mhz */
+ { 19800000, 3072000, 0xBF, 0x70, 0x0, 1}, /* MCLK=19.8Mhz */
+ /* for SLAVE mode with SRM */
+ { 12000000, 2822400, 0xED, 0xBF, 0x5, 0}, /* MCLK=12Mhz */
+ { 13000000, 2822400, 0xE4, 0x13, 0x0, 0}, /* MCLK=13Mhz */
+ { 13500000, 2822400, 0xDF, 0xC6, 0x8, 0}, /* MCLK=13.5Mhz */
+ { 14400000, 2822400, 0xD8, 0xCA, 0x1, 0}, /* MCLK=14.4Mhz */
+ { 19200000, 2822400, 0xBE, 0x97, 0x9, 0}, /* MCLK=19.2Mhz */
+ { 19680000, 2822400, 0xBC, 0xAC, 0xD, 0}, /* MCLK=19.68Mhz */
+ { 19800000, 2822400, 0xBC, 0x35, 0xE, 0}, /* MCLK=19.8Mhz */
+};
+
+enum clk_src {
+ DA7210_CLKSRC_MCLK
+};
+
#define DA7210_VERSION "0.0.1"
/*
@@ -628,9 +676,12 @@ static const struct snd_soc_dapm_route da7210_audio_map[] = {
/* Codec private data */
struct da7210_priv {
struct regmap *regmap;
+ unsigned int mclk_rate;
+ int master;
};
static struct reg_default da7210_reg_defaults[] = {
+ { 0x00, 0x00 },
{ 0x01, 0x11 },
{ 0x03, 0x00 },
{ 0x04, 0x00 },
@@ -713,10 +764,10 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
+ struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
u32 dai_cfg1;
- u32 fs, bypass;
+ u32 fs, sysclk;
/* set DAI source to Left and Right ADC */
snd_soc_write(codec, DA7210_DAI_SRC_SEL,
@@ -749,43 +800,43 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
switch (params_rate(params)) {
case 8000:
fs = DA7210_PLL_FS_8000;
- bypass = DA7210_PLL_BYP;
+ sysclk = 3072000;
break;
case 11025:
fs = DA7210_PLL_FS_11025;
- bypass = 0;
+ sysclk = 2822400;
break;
case 12000:
fs = DA7210_PLL_FS_12000;
- bypass = DA7210_PLL_BYP;
+ sysclk = 3072000;
break;
case 16000:
fs = DA7210_PLL_FS_16000;
- bypass = DA7210_PLL_BYP;
+ sysclk = 3072000;
break;
case 22050:
fs = DA7210_PLL_FS_22050;
- bypass = 0;
+ sysclk = 2822400;
break;
case 32000:
fs = DA7210_PLL_FS_32000;
- bypass = DA7210_PLL_BYP;
+ sysclk = 3072000;
break;
case 44100:
fs = DA7210_PLL_FS_44100;
- bypass = 0;
+ sysclk = 2822400;
break;
case 48000:
fs = DA7210_PLL_FS_48000;
- bypass = DA7210_PLL_BYP;
+ sysclk = 3072000;
break;
case 88200:
fs = DA7210_PLL_FS_88200;
- bypass = 0;
+ sysclk = 2822400;
break;
case 96000:
fs = DA7210_PLL_FS_96000;
- bypass = DA7210_PLL_BYP;
+ sysclk = 3072000;
break;
default:
return -EINVAL;
@@ -795,8 +846,26 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0);
snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
- snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, bypass);
+ if (da7210->mclk_rate && (da7210->mclk_rate != sysclk)) {
+ /* PLL mode, disable PLL bypass */
+ snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, 0);
+
+ if (!da7210->master) {
+ /* PLL slave mode, also enable SRM */
+ snd_soc_update_bits(codec, DA7210_PLL,
+ (DA7210_MCLK_SRM_EN |
+ DA7210_MCLK_DET_EN),
+ (DA7210_MCLK_SRM_EN |
+ DA7210_MCLK_DET_EN));
+ }
+ } else {
+ /* PLL bypass mode, enable PLL bypass and Auto Detection */
+ snd_soc_update_bits(codec, DA7210_PLL, DA7210_MCLK_DET_EN,
+ DA7210_MCLK_DET_EN);
+ snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP,
+ DA7210_PLL_BYP);
+ }
/* Enable active mode */
snd_soc_update_bits(codec, DA7210_STARTUP1,
DA7210_SC_MST_EN, DA7210_SC_MST_EN);
@@ -810,17 +879,24 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
+ struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
u32 dai_cfg1;
u32 dai_cfg3;
dai_cfg1 = 0x7f & snd_soc_read(codec, DA7210_DAI_CFG1);
dai_cfg3 = 0xfc & snd_soc_read(codec, DA7210_DAI_CFG3);
+ if ((snd_soc_read(codec, DA7210_PLL) & DA7210_PLL_EN) &&
+ (!(snd_soc_read(codec, DA7210_PLL_DIV3) & DA7210_PLL_BYP)))
+ return -EINVAL;
+
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
+ da7210->master = 1;
dai_cfg1 |= DA7210_DAI_MODE_MASTER;
break;
case SND_SOC_DAIFMT_CBS_CFS:
+ da7210->master = 0;
dai_cfg1 |= DA7210_DAI_MODE_SLAVE;
break;
default:
@@ -872,10 +948,101 @@ static int da7210_mute(struct snd_soc_dai *dai, int mute)
#define DA7210_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+static int da7210_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
+
+ switch (clk_id) {
+ case DA7210_CLKSRC_MCLK:
+ switch (freq) {
+ case 12000000:
+ case 13000000:
+ case 13500000:
+ case 14400000:
+ case 19200000:
+ case 19680000:
+ case 19800000:
+ da7210->mclk_rate = freq;
+ return 0;
+ default:
+ dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
+ freq);
+ return -EINVAL;
+ }
+ break;
+ default:
+ dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
+ return -EINVAL;
+ }
+}
+
+/**
+ * da7210_set_dai_pll :Configure the codec PLL
+ * @param codec_dai : pointer to codec DAI
+ * @param pll_id : da7210 has only one pll, so pll_id is always zero
+ * @param fref : MCLK frequency, should be < 20MHz
+ * @param fout : FsDM value, Refer page 44 & 45 of datasheet
+ * @return int : Zero for success, negative error code for error
+ *
+ * Note: Supported PLL input frequencies are 12MHz, 13MHz, 13.5MHz, 14.4MHz,
+ * 19.2MHz, 19.6MHz and 19.8MHz
+ */
+static int da7210_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
+ int source, unsigned int fref, unsigned int fout)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
+
+ u8 pll_div1, pll_div2, pll_div3, cnt;
+
+ /* In slave mode, there is only one set of divisors */
+ if (!da7210->master)
+ fout = 2822400;
+
+ /* Search pll div array for correct divisors */
+ for (cnt = 0; cnt < ARRAY_SIZE(da7210_pll_div); cnt++) {
+ /* check fref, mode and fout */
+ if ((fref == da7210_pll_div[cnt].fref) &&
+ (da7210->master == da7210_pll_div[cnt].mode) &&
+ (fout == da7210_pll_div[cnt].fout)) {
+ /* all match, pick up divisors */
+ pll_div1 = da7210_pll_div[cnt].div1;
+ pll_div2 = da7210_pll_div[cnt].div2;
+ pll_div3 = da7210_pll_div[cnt].div3;
+ break;
+ }
+ }
+ if (cnt >= ARRAY_SIZE(da7210_pll_div))
+ goto err;
+
+ /* Disable active mode */
+ snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0);
+ /* Write PLL dividers */
+ snd_soc_write(codec, DA7210_PLL_DIV1, pll_div1);
+ snd_soc_write(codec, DA7210_PLL_DIV2, pll_div2);
+ snd_soc_update_bits(codec, DA7210_PLL_DIV3,
+ DA7210_PLL_DIV_L_MASK, pll_div3);
+
+ /* Enable PLL */
+ snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
+
+ /* Enable active mode */
+ snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN,
+ DA7210_SC_MST_EN);
+ return 0;
+err:
+ dev_err(codec_dai->dev, "Unsupported PLL input frequency %d\n", fref);
+ return -EINVAL;
+}
+
/* DAI operations */
static const struct snd_soc_dai_ops da7210_dai_ops = {
.hw_params = da7210_hw_params,
.set_fmt = da7210_set_dai_fmt,
+ .set_sysclk = da7210_set_dai_sysclk,
+ .set_pll = da7210_set_dai_pll,
.digital_mute = da7210_mute,
};
@@ -915,24 +1082,11 @@ static int da7210_probe(struct snd_soc_codec *codec)
return ret;
}
- /* FIXME
- *
- * This driver use fixed value here
- * And below settings expects MCLK = 12.288MHz
- *
- * When you select different MCLK, please check...
- * DA7210_PLL_DIV1 val
- * DA7210_PLL_DIV2 val
- * DA7210_PLL_DIV3 val
- * DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx
- */
+ da7210->mclk_rate = 0; /* This will be set from set_sysclk() */
+ da7210->master = 0; /* This will be set from set_fmt() */
- /*
- * make sure that DA7210 use bypass mode before start up
- */
- snd_soc_write(codec, DA7210_STARTUP1, 0);
- snd_soc_write(codec, DA7210_PLL_DIV3,
- DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
+ /* Enable internal regulator & bias current */
+ snd_soc_write(codec, DA7210_CONTROL, DA7210_REG_EN | DA7210_BIAS_EN);
/*
* ADC settings
@@ -1007,34 +1161,13 @@ static int da7210_probe(struct snd_soc_codec *codec)
/* Enable Aux2 */
snd_soc_write(codec, DA7210_AUX2, DA7210_AUX2_EN);
+ /* Set PLL Master clock range 10-20 MHz, enable PLL bypass */
+ snd_soc_write(codec, DA7210_PLL_DIV3, DA7210_MCLK_RANGE_10_20_MHZ |
+ DA7210_PLL_BYP);
+
/* Diable PLL and bypass it */
snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);
- /*
- * If 48kHz sound came, it use bypass mode,
- * and when it is 44.1kHz, it use PLL.
- *
- * This time, this driver sets PLL always ON
- * and controls bypass/PLL mode by switching
- * DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
- * see da7210_hw_params
- */
- snd_soc_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
- snd_soc_write(codec, DA7210_PLL_DIV2, 0x99);
- snd_soc_write(codec, DA7210_PLL_DIV3, 0x0A |
- DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
- snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
-
- /* As suggested by Dialog */
- /* unlock */
- regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x8B);
- regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0xB4);
- regmap_write(da7210->regmap, DA7210_A_PLL1, 0x01);
- regmap_write(da7210->regmap, DA7210_A_CP_MODE, 0x7C);
- /* re-lock */
- regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x00);
- regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0x00);
-
/* Activate all enabled subsystem */
snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
@@ -1055,7 +1188,26 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
.num_dapm_routes = ARRAY_SIZE(da7210_audio_map),
};
-static struct regmap_config da7210_regmap = {
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+
+static struct reg_default da7210_regmap_i2c_patch[] = {
+
+ /* System controller master disable */
+ { DA7210_STARTUP1, 0x00 },
+ /* Set PLL Master clock range 10-20 MHz */
+ { DA7210_PLL_DIV3, DA7210_MCLK_RANGE_10_20_MHZ },
+
+ /* to unlock */
+ { DA7210_A_HID_UNLOCK, 0x8B},
+ { DA7210_A_TEST_UNLOCK, 0xB4},
+ { DA7210_A_PLL1, 0x01},
+ { DA7210_A_CP_MODE, 0x7C},
+ /* to re-lock */
+ { DA7210_A_HID_UNLOCK, 0x00},
+ { DA7210_A_TEST_UNLOCK, 0x00},
+};
+
+static const struct regmap_config da7210_regmap_config_i2c = {
.reg_bits = 8,
.val_bits = 8,
@@ -1066,7 +1218,6 @@ static struct regmap_config da7210_regmap = {
.cache_type = REGCACHE_RBTREE,
};
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -1080,13 +1231,18 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, da7210);
- da7210->regmap = regmap_init_i2c(i2c, &da7210_regmap);
+ da7210->regmap = regmap_init_i2c(i2c, &da7210_regmap_config_i2c);
if (IS_ERR(da7210->regmap)) {
ret = PTR_ERR(da7210->regmap);
dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
return ret;
}
+ ret = regmap_register_patch(da7210->regmap, da7210_regmap_i2c_patch,
+ ARRAY_SIZE(da7210_regmap_i2c_patch));
+ if (ret != 0)
+ dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
+
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_da7210, &da7210_dai, 1);
if (ret < 0) {
@@ -1119,7 +1275,7 @@ MODULE_DEVICE_TABLE(i2c, da7210_i2c_id);
/* I2C codec control layer */
static struct i2c_driver da7210_i2c_driver = {
.driver = {
- .name = "da7210-codec",
+ .name = "da7210",
.owner = THIS_MODULE,
},
.probe = da7210_i2c_probe,
@@ -1128,12 +1284,112 @@ static struct i2c_driver da7210_i2c_driver = {
};
#endif
+#if defined(CONFIG_SPI_MASTER)
+
+static struct reg_default da7210_regmap_spi_patch[] = {
+ /* Dummy read to give two pulses over nCS for SPI */
+ { DA7210_AUX2, 0x00 },
+ { DA7210_AUX2, 0x00 },
+
+ /* System controller master disable */
+ { DA7210_STARTUP1, 0x00 },
+ /* Set PLL Master clock range 10-20 MHz */
+ { DA7210_PLL_DIV3, DA7210_MCLK_RANGE_10_20_MHZ },
+
+ /* to set PAGE1 of SPI register space */
+ { DA7210_PAGE_CONTROL, 0x80 },
+ /* to unlock */
+ { DA7210_A_HID_UNLOCK, 0x8B},
+ { DA7210_A_TEST_UNLOCK, 0xB4},
+ { DA7210_A_PLL1, 0x01},
+ { DA7210_A_CP_MODE, 0x7C},
+ /* to re-lock */
+ { DA7210_A_HID_UNLOCK, 0x00},
+ { DA7210_A_TEST_UNLOCK, 0x00},
+ /* to set back PAGE0 of SPI register space */
+ { DA7210_PAGE_CONTROL, 0x00 },
+};
+
+static const struct regmap_config da7210_regmap_config_spi = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .read_flag_mask = 0x01,
+ .write_flag_mask = 0x00,
+
+ .reg_defaults = da7210_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(da7210_reg_defaults),
+ .volatile_reg = da7210_volatile_register,
+ .readable_reg = da7210_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int __devinit da7210_spi_probe(struct spi_device *spi)
+{
+ struct da7210_priv *da7210;
+ int ret;
+
+ da7210 = devm_kzalloc(&spi->dev, sizeof(struct da7210_priv),
+ GFP_KERNEL);
+ if (!da7210)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, da7210);
+ da7210->regmap = devm_regmap_init_spi(spi, &da7210_regmap_config_spi);
+ if (IS_ERR(da7210->regmap)) {
+ ret = PTR_ERR(da7210->regmap);
+ dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_register_patch(da7210->regmap, da7210_regmap_spi_patch,
+ ARRAY_SIZE(da7210_regmap_spi_patch));
+ if (ret != 0)
+ dev_warn(&spi->dev, "Failed to apply regmap patch: %d\n", ret);
+
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_da7210, &da7210_dai, 1);
+ if (ret < 0)
+ goto err_regmap;
+
+ return ret;
+
+err_regmap:
+ regmap_exit(da7210->regmap);
+
+ return ret;
+}
+
+static int __devexit da7210_spi_remove(struct spi_device *spi)
+{
+ struct da7210_priv *da7210 = spi_get_drvdata(spi);
+ snd_soc_unregister_codec(&spi->dev);
+ regmap_exit(da7210->regmap);
+ return 0;
+}
+
+static struct spi_driver da7210_spi_driver = {
+ .driver = {
+ .name = "da7210",
+ .owner = THIS_MODULE,
+ },
+ .probe = da7210_spi_probe,
+ .remove = __devexit_p(da7210_spi_remove)
+};
+#endif
+
static int __init da7210_modinit(void)
{
int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&da7210_i2c_driver);
#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&da7210_spi_driver);
+ if (ret) {
+ printk(KERN_ERR "Failed to register da7210 SPI driver: %d\n",
+ ret);
+ }
+#endif
return ret;
}
module_init(da7210_modinit);
@@ -1143,6 +1399,9 @@ static void __exit da7210_exit(void)
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&da7210_i2c_driver);
#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&da7210_spi_driver);
+#endif
}
module_exit(da7210_exit);
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