This change converts the driver from using the of_* functions to using
the device_* and fwnode_* functions for accssing DT related data.
This is in preparation for updates to support ACPI based initialisation.

Signed-off-by: Adam Thomson <adam.thomson.opensou...@diasemi.com>
Tested-by: Sathyanarayana Nujella <sathyanarayana.nuje...@intel.com>
---
 sound/soc/codecs/da7219-aad.c | 64 +++++++++++++++++++++++++++----------------
 sound/soc/codecs/da7219.c     | 21 +++++++-------
 2 files changed, 52 insertions(+), 33 deletions(-)

diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index 9459593..c4853a8 100644
--- a/sound/soc/codecs/da7219-aad.c
+++ b/sound/soc/codecs/da7219-aad.c
@@ -13,8 +13,9 @@

 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/i2c.h>
 #include <linux/of_device.h>
-#include <linux/of_irq.h>
+#include <linux/property.h>
 #include <linux/pm_wakeirq.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -538,10 +539,30 @@ static enum da7219_aad_adc_1bit_rpt
        }
 }

+static struct fwnode_handle *da7219_aad_of_named_fwhandle(struct device *dev,
+                                                         const char *name)
+{
+       struct fwnode_handle *child;
+       struct device_node *of_node;
+
+       /* Find first matching child node */
+       device_for_each_child_node(dev, child) {
+               if (is_of_node(child)) {
+                       of_node = to_of_node(child);
+                       if (of_node_cmp(of_node->name, name) == 0)
+                               return child;
+               }
+       }
+
+       return NULL;
+}
+
 static struct da7219_aad_pdata *da7219_aad_of_to_pdata(struct snd_soc_codec 
*codec)
 {
-       struct device_node *np = codec->dev->of_node;
-       struct device_node *aad_np = of_find_node_by_name(np, "da7219_aad");
+       struct device *dev = codec->dev;
+       struct i2c_client *i2c = to_i2c_client(dev);
+       struct fwnode_handle *aad_np =
+               da7219_aad_of_named_fwhandle(dev, "da7219_aad");
        struct da7219_aad_pdata *aad_pdata;
        const char *of_str;
        u32 of_val32;
@@ -551,84 +572,81 @@ static struct da7219_aad_pdata 
*da7219_aad_of_to_pdata(struct snd_soc_codec *cod

        aad_pdata = devm_kzalloc(codec->dev, sizeof(*aad_pdata), GFP_KERNEL);
        if (!aad_pdata)
-               goto out;
+               return NULL;

-       aad_pdata->irq = irq_of_parse_and_map(np, 0);
+       aad_pdata->irq = i2c->irq;

-       if (of_property_read_u32(aad_np, "dlg,micbias-pulse-lvl",
-                                &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-lvl",
+                                    &of_val32) >= 0)
                aad_pdata->micbias_pulse_lvl =
                        da7219_aad_of_micbias_pulse_lvl(codec, of_val32);
        else
                aad_pdata->micbias_pulse_lvl = DA7219_AAD_MICBIAS_PULSE_LVL_OFF;

-       if (of_property_read_u32(aad_np, "dlg,micbias-pulse-time",
-                                &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-time",
+                                    &of_val32) >= 0)
                aad_pdata->micbias_pulse_time = of_val32;

-       if (of_property_read_u32(aad_np, "dlg,btn-cfg", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,btn-cfg", &of_val32) >= 0)
                aad_pdata->btn_cfg = da7219_aad_of_btn_cfg(codec, of_val32);
        else
                aad_pdata->btn_cfg = DA7219_AAD_BTN_CFG_10MS;

-       if (of_property_read_u32(aad_np, "dlg,mic-det-thr", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,mic-det-thr", &of_val32) >= 0)
                aad_pdata->mic_det_thr =
                        da7219_aad_of_mic_det_thr(codec, of_val32);
        else
                aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_500_OHMS;

-       if (of_property_read_u32(aad_np, "dlg,jack-ins-deb", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,jack-ins-deb", &of_val32) >= 
0)
                aad_pdata->jack_ins_deb =
                        da7219_aad_of_jack_ins_deb(codec, of_val32);
        else
                aad_pdata->jack_ins_deb = DA7219_AAD_JACK_INS_DEB_20MS;

-       if (!of_property_read_string(aad_np, "dlg,jack-det-rate", &of_str))
+       if (!fwnode_property_read_string(aad_np, "dlg,jack-det-rate", &of_str))
                aad_pdata->jack_det_rate =
                        da7219_aad_of_jack_det_rate(codec, of_str);
        else
                aad_pdata->jack_det_rate = DA7219_AAD_JACK_DET_RATE_256_512MS;

-       if (of_property_read_u32(aad_np, "dlg,jack-rem-deb", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,jack-rem-deb", &of_val32) >= 
0)
                aad_pdata->jack_rem_deb =
                        da7219_aad_of_jack_rem_deb(codec, of_val32);
        else
                aad_pdata->jack_rem_deb = DA7219_AAD_JACK_REM_DEB_1MS;

-       if (of_property_read_u32(aad_np, "dlg,a-d-btn-thr", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,a-d-btn-thr", &of_val32) >= 0)
                aad_pdata->a_d_btn_thr = (u8) of_val32;
        else
                aad_pdata->a_d_btn_thr = 0xA;

-       if (of_property_read_u32(aad_np, "dlg,d-b-btn-thr", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,d-b-btn-thr", &of_val32) >= 0)
                aad_pdata->d_b_btn_thr = (u8) of_val32;
        else
                aad_pdata->d_b_btn_thr = 0x16;

-       if (of_property_read_u32(aad_np, "dlg,b-c-btn-thr", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,b-c-btn-thr", &of_val32) >= 0)
                aad_pdata->b_c_btn_thr = (u8) of_val32;
        else
                aad_pdata->b_c_btn_thr = 0x21;

-       if (of_property_read_u32(aad_np, "dlg,c-mic-btn-thr", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,c-mic-btn-thr", &of_val32) >= 
0)
                aad_pdata->c_mic_btn_thr = (u8) of_val32;
        else
                aad_pdata->c_mic_btn_thr = 0x3E;

-       if (of_property_read_u32(aad_np, "dlg,btn-avg", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,btn-avg", &of_val32) >= 0)
                aad_pdata->btn_avg = da7219_aad_of_btn_avg(codec, of_val32);
        else
                aad_pdata->btn_avg = DA7219_AAD_BTN_AVG_2;

-       if (of_property_read_u32(aad_np, "dlg,adc-1bit-rpt", &of_val32) >= 0)
+       if (fwnode_property_read_u32(aad_np, "dlg,adc-1bit-rpt", &of_val32) >= 
0)
                aad_pdata->adc_1bit_rpt =
                        da7219_aad_of_adc_1bit_rpt(codec, of_val32);
        else
                aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1;

-out:
-       of_node_put(aad_np);
-
        return aad_pdata;
 }

diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index 7c7824c..6c6c8db 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -14,6 +14,7 @@
 #include <linux/clk.h>
 #include <linux/i2c.h>
 #include <linux/of_device.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/pm.h>
@@ -1427,7 +1428,7 @@ static const struct of_device_id da7219_of_match[] = {
 MODULE_DEVICE_TABLE(of, da7219_of_match);

 static enum da7219_micbias_voltage
-       da7219_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
+       da7219_of_micbias_lvl(struct device *dev, u32 val)
 {
        switch (val) {
        case 1600:
@@ -1443,13 +1444,13 @@ static enum da7219_micbias_voltage
        case 2600:
                return DA7219_MICBIAS_2_6V;
        default:
-               dev_warn(codec->dev, "Invalid micbias level");
+               dev_warn(dev, "Invalid micbias level");
                return DA7219_MICBIAS_2_2V;
        }
 }

 static enum da7219_mic_amp_in_sel
-       da7219_of_mic_amp_in_sel(struct snd_soc_codec *codec, const char *str)
+       da7219_of_mic_amp_in_sel(struct device *dev, const char *str)
 {
        if (!strcmp(str, "diff")) {
                return DA7219_MIC_AMP_IN_SEL_DIFF;
@@ -1458,29 +1459,29 @@ static enum da7219_mic_amp_in_sel
        } else if (!strcmp(str, "se_n")) {
                return DA7219_MIC_AMP_IN_SEL_SE_N;
        } else {
-               dev_warn(codec->dev, "Invalid mic input type selection");
+               dev_warn(dev, "Invalid mic input type selection");
                return DA7219_MIC_AMP_IN_SEL_DIFF;
        }
 }

 static struct da7219_pdata *da7219_of_to_pdata(struct snd_soc_codec *codec)
 {
-       struct device_node *np = codec->dev->of_node;
+       struct device *dev = codec->dev;
        struct da7219_pdata *pdata;
        const char *of_str;
        u32 of_val32;

-       pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
+       pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
                return NULL;

-       if (of_property_read_u32(np, "dlg,micbias-lvl", &of_val32) >= 0)
-               pdata->micbias_lvl = da7219_of_micbias_lvl(codec, of_val32);
+       if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
+               pdata->micbias_lvl = da7219_of_micbias_lvl(dev, of_val32);
        else
                pdata->micbias_lvl = DA7219_MICBIAS_2_2V;

-       if (!of_property_read_string(np, "dlg,mic-amp-in-sel", &of_str))
-               pdata->mic_amp_in_sel = da7219_of_mic_amp_in_sel(codec, of_str);
+       if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
+               pdata->mic_amp_in_sel = da7219_of_mic_amp_in_sel(dev, of_str);
        else
                pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;

--
1.9.3

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