In chromebook case, the machine driver will get the
r0 calibration data and temperature from VPD.
Therefore, the codec exports r0 and temperature config API for it.
Signed-off-by: Shuming Fan <shumingf@xxxxxxxxxxx>
---
sound/soc/codecs/rt1011.c | 41 +++++++++++++++++++++++++++++++++++++++
sound/soc/codecs/rt1011.h | 5 +++++
2 files changed, 46 insertions(+)
diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c
index a92a0bacd812..a992bb2224b2 100644
--- a/sound/soc/codecs/rt1011.c
+++ b/sound/soc/codecs/rt1011.c
@@ -1325,6 +1325,47 @@ static int rt1011_r0_load_info(struct snd_kcontrol *kcontrol,
.put = rt1011_r0_load_mode_put \
}
+int rt1011_r0_config(struct snd_soc_component *component, unsigned int r0)
+{
+ struct rt1011_priv *rt1011 =
+ snd_soc_component_get_drvdata(component);
+ struct device *dev;
+ unsigned int r0_integer, r0_factor, format;
+
+ if (!component->card->instantiated)
+ return 0;
+
+ if (!r0)
+ return -EINVAL;
+
+ dev = regmap_get_device(rt1011->regmap);
+ rt1011->r0_reg = r0;
+
+ format = 2147483648U; /* 2^24 * 128 */
+ r0_integer = format / rt1011->r0_reg / 128;
+ r0_factor = ((format / rt1011->r0_reg * 100) / 128)
+ - (r0_integer * 100);
+ dev_dbg(dev, "New r0 resistance about %d.%02d ohm, reg=0x%X\n",
+ r0_integer, r0_factor, rt1011->r0_reg);
+
+ if (rt1011->r0_reg)
+ rt1011_r0_load(rt1011);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt1011_r0_config);
+
+int rt1011_temperature_config(struct snd_soc_component *component,
+ unsigned int temp)
+{
+ snd_soc_component_update_bits(component,
+ RT1011_STP_INITIAL_RESISTANCE_TEMP, 0x3ff,
+ (temp << 2));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt1011_temperature_config);
+
static const struct snd_kcontrol_new rt1011_snd_controls[] = {
/* I2S Data In Selection */
SOC_ENUM("DIN Source", rt1011_din_source_enum),
diff --git a/sound/soc/codecs/rt1011.h b/sound/soc/codecs/rt1011.h
index 2d65983f3d0f..b99df334be14 100644
--- a/sound/soc/codecs/rt1011.h
+++ b/sound/soc/codecs/rt1011.h
@@ -670,4 +670,9 @@ struct rt1011_priv {
int recv_spk_mode;
};
+int rt1011_r0_config(struct snd_soc_component *component, unsigned int r0);
+int rt1011_temperature_config(struct snd_soc_component *component,
+ unsigned int temp);
+
+
#endif /* end of _RT1011_H_ */
--
2.23.0
<<attachment: winmail.dat>>
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