Merge remote-tracking branch 'asoc/topic/tlv320aic32x4' into asoc-next
This commit is contained in:
commit
9f82b0440e
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@ -26,6 +26,7 @@ struct aic32x4_pdata {
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u32 power_cfg;
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u32 micpga_routing;
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bool swapdacs;
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int rstn_gpio;
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};
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#endif
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@ -28,6 +28,7 @@
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <linux/cdev.h>
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#include <linux/slab.h>
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@ -65,6 +66,7 @@ struct aic32x4_priv {
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u32 power_cfg;
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u32 micpga_routing;
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bool swapdacs;
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int rstn_gpio;
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};
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/* 0dB min, 1dB steps */
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@ -627,10 +629,20 @@ static int aic32x4_probe(struct snd_soc_codec *codec)
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{
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struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
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u32 tmp_reg;
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int ret;
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codec->hw_write = (hw_write_t) i2c_master_send;
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codec->control_data = aic32x4->control_data;
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if (aic32x4->rstn_gpio >= 0) {
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ret = devm_gpio_request_one(codec->dev, aic32x4->rstn_gpio,
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GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
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if (ret != 0)
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return ret;
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ndelay(10);
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gpio_set_value(aic32x4->rstn_gpio, 1);
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}
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snd_soc_write(codec, AIC32X4_RESET, 0x01);
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/* Power platform configuration */
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@ -675,6 +687,16 @@ static int aic32x4_probe(struct snd_soc_codec *codec)
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ARRAY_SIZE(aic32x4_snd_controls));
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aic32x4_add_widgets(codec);
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/*
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* Workaround: for an unknown reason, the ADC needs to be powered up
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* and down for the first capture to work properly. It seems related to
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* a HW BUG or some kind of behavior not documented in the datasheet.
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*/
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tmp_reg = snd_soc_read(codec, AIC32X4_ADCSETUP);
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snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg |
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AIC32X4_LADC_EN | AIC32X4_RADC_EN);
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snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg);
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return 0;
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}
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@ -713,10 +735,12 @@ static __devinit int aic32x4_i2c_probe(struct i2c_client *i2c,
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aic32x4->power_cfg = pdata->power_cfg;
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aic32x4->swapdacs = pdata->swapdacs;
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aic32x4->micpga_routing = pdata->micpga_routing;
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aic32x4->rstn_gpio = pdata->rstn_gpio;
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} else {
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aic32x4->power_cfg = 0;
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aic32x4->swapdacs = false;
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aic32x4->micpga_routing = 0;
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aic32x4->rstn_gpio = -1;
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}
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ret = snd_soc_register_codec(&i2c->dev,
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@ -94,6 +94,9 @@
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#define AIC32X4_WORD_LEN_24BITS 0x02
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#define AIC32X4_WORD_LEN_32BITS 0x03
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#define AIC32X4_LADC_EN (1 << 7)
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#define AIC32X4_RADC_EN (1 << 6)
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#define AIC32X4_I2S_MODE 0x00
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#define AIC32X4_DSP_MODE 0x01
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#define AIC32X4_RIGHT_JUSTIFIED_MODE 0x02
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