diff options
| -rw-r--r-- | include/sound/cs42l52.h | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/cs42l52.c | 93 | ||||
| -rw-r--r-- | sound/soc/codecs/cs42l52.h | 2 |
3 files changed, 57 insertions, 40 deletions
diff --git a/include/sound/cs42l52.h b/include/sound/cs42l52.h index 4c68955..7c2be4a 100644 --- a/include/sound/cs42l52.h +++ b/include/sound/cs42l52.h @@ -31,6 +31,8 @@ struct cs42l52_platform_data { /* Charge Pump Freq. Check datasheet Pg73 */ unsigned int chgfreq; + /* Reset GPIO */ + unsigned int reset_gpio; }; #endif /* __CS42L52_H */ diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index be2ba1b..8b427c9 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/gpio.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/input.h> @@ -1116,40 +1117,6 @@ static int cs42l52_probe(struct snd_soc_codec *codec) cs42l52->sysclk = CS42L52_DEFAULT_CLK; cs42l52->config.format = CS42L52_DEFAULT_FORMAT; - /* Set Platform MICx CFG */ - snd_soc_update_bits(codec, CS42L52_MICA_CTL, - CS42L52_MIC_CTL_TYPE_MASK, - cs42l52->pdata.mica_cfg << - CS42L52_MIC_CTL_TYPE_SHIFT); - - snd_soc_update_bits(codec, CS42L52_MICB_CTL, - CS42L52_MIC_CTL_TYPE_MASK, - cs42l52->pdata.micb_cfg << - CS42L52_MIC_CTL_TYPE_SHIFT); - - /* if Single Ended, Get Mic_Select */ - if (cs42l52->pdata.mica_cfg) - snd_soc_update_bits(codec, CS42L52_MICA_CTL, - CS42L52_MIC_CTL_MIC_SEL_MASK, - cs42l52->pdata.mica_sel << - CS42L52_MIC_CTL_MIC_SEL_SHIFT); - if (cs42l52->pdata.micb_cfg) - snd_soc_update_bits(codec, CS42L52_MICB_CTL, - CS42L52_MIC_CTL_MIC_SEL_MASK, - cs42l52->pdata.micb_sel << - CS42L52_MIC_CTL_MIC_SEL_SHIFT); - - /* Set Platform Charge Pump Freq */ - snd_soc_update_bits(codec, CS42L52_CHARGE_PUMP, - CS42L52_CHARGE_PUMP_MASK, - cs42l52->pdata.chgfreq << - CS42L52_CHARGE_PUMP_SHIFT); - - /* Set Platform Bias Level */ - snd_soc_update_bits(codec, CS42L52_IFACE_CTL2, - CS42L52_IFACE_CTL2_BIAS_LVL, - cs42l52->pdata.micbias_lvl); - return ret; } @@ -1205,6 +1172,7 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client, const struct i2c_device_id *id) { struct cs42l52_private *cs42l52; + struct cs42l52_platform_data *pdata = dev_get_platdata(&i2c_client->dev); int ret; unsigned int devid = 0; unsigned int reg; @@ -1222,11 +1190,22 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client, return ret; } - i2c_set_clientdata(i2c_client, cs42l52); + if (pdata) + cs42l52->pdata = *pdata; + + if (cs42l52->pdata.reset_gpio) { + ret = gpio_request_one(cs42l52->pdata.reset_gpio, + GPIOF_OUT_INIT_HIGH, "CS42L52 /RST"); + if (ret < 0) { + dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n", + cs42l52->pdata.reset_gpio, ret); + return ret; + } + gpio_set_value_cansleep(cs42l52->pdata.reset_gpio, 0); + gpio_set_value_cansleep(cs42l52->pdata.reset_gpio, 1); + } - if (dev_get_platdata(&i2c_client->dev)) - memcpy(&cs42l52->pdata, dev_get_platdata(&i2c_client->dev), - sizeof(cs42l52->pdata)); + i2c_set_clientdata(i2c_client, cs42l52); ret = regmap_register_patch(cs42l52->regmap, cs42l52_threshold_patch, ARRAY_SIZE(cs42l52_threshold_patch)); @@ -1244,7 +1223,43 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client, return ret; } - regcache_cache_only(cs42l52->regmap, true); + dev_info(&i2c_client->dev, "Cirrus Logic CS42L52, Revision: %02X\n", + reg & 0xFF); + + /* Set Platform Data */ + if (cs42l52->pdata.mica_cfg) + regmap_update_bits(cs42l52->regmap, CS42L52_MICA_CTL, + CS42L52_MIC_CTL_TYPE_MASK, + cs42l52->pdata.mica_cfg << + CS42L52_MIC_CTL_TYPE_SHIFT); + + if (cs42l52->pdata.micb_cfg) + regmap_update_bits(cs42l52->regmap, CS42L52_MICB_CTL, + CS42L52_MIC_CTL_TYPE_MASK, + cs42l52->pdata.micb_cfg << + CS42L52_MIC_CTL_TYPE_SHIFT); + + if (cs42l52->pdata.mica_sel) + regmap_update_bits(cs42l52->regmap, CS42L52_MICA_CTL, + CS42L52_MIC_CTL_MIC_SEL_MASK, + cs42l52->pdata.mica_sel << + CS42L52_MIC_CTL_MIC_SEL_SHIFT); + if (cs42l52->pdata.micb_sel) + regmap_update_bits(cs42l52->regmap, CS42L52_MICB_CTL, + CS42L52_MIC_CTL_MIC_SEL_MASK, + cs42l52->pdata.micb_sel << + CS42L52_MIC_CTL_MIC_SEL_SHIFT); + + if (cs42l52->pdata.chgfreq) + regmap_update_bits(cs42l52->regmap, CS42L52_CHARGE_PUMP, + CS42L52_CHARGE_PUMP_MASK, + cs42l52->pdata.chgfreq << + CS42L52_CHARGE_PUMP_SHIFT); + + if (cs42l52->pdata.micbias_lvl) + regmap_update_bits(cs42l52->regmap, CS42L52_IFACE_CTL2, + CS42L52_IFACE_CTL2_BIAS_LVL, + cs42l52->pdata.micbias_lvl); ret = snd_soc_register_codec(&i2c_client->dev, &soc_codec_dev_cs42l52, &cs42l52_dai, 1); diff --git a/sound/soc/codecs/cs42l52.h b/sound/soc/codecs/cs42l52.h index 4277012..1a9412d 100644 --- a/sound/soc/codecs/cs42l52.h +++ b/sound/soc/codecs/cs42l52.h @@ -269,6 +269,6 @@ #define CS42L52_FIX_BITS1 0x3E #define CS42L52_FIX_BITS2 0x47 -#define CS42L52_MAX_REGISTER 0x34 +#define CS42L52_MAX_REGISTER 0x47 #endif |