DA7219 can support 2 kinds of insertion detection polarity
- Default polarity (Low)
- Inverted polarity (High)
This patch adds support for selecting insertion detection
polarity to the DT binding.
Signed-off-by: David Rau <David.Rau.opensource@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/sound/da7219.txt | 3 ++
include/sound/da7219-aad.h | 6 ++++
sound/soc/codecs/da7219-aad.c | 34 +++++++++++++++++++
3 files changed, 43 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/da7219.txt b/Documentation/devicetree/bindings/sound/da7219.txt
index add1caf26ac2..357d1f61de1d 100644
--- a/Documentation/devicetree/bindings/sound/da7219.txt
+++ b/Documentation/devicetree/bindings/sound/da7219.txt
@@ -52,6 +52,8 @@ Optional properties:
[<200>, <500>, <750>, <1000>]
- dlg,jack-ins-deb : Debounce time for jack insertion (ms)
[<5>, <10>, <20>, <50>, <100>, <200>, <500>, <1000>]
+- dlg,jack-ins-det-pty : Polarity for jack insertion detection
+ ["low", "high"]
- dlg,jack-det-rate: Jack type detection latency (3/4 pole)
["32ms_64ms", "64ms_128ms", "128ms_256ms", "256ms_512ms"]
- dlg,jack-rem-deb : Debounce time for jack removal (ms)
@@ -98,6 +100,7 @@ Example:
dlg,btn-cfg = <50>;
dlg,mic-det-thr = <500>;
dlg,jack-ins-deb = <20>;
+ dlg,jack-ins-det-pty = "low";
dlg,jack-det-rate = "32ms_64ms";
dlg,jack-rem-deb = <1>;
diff --git a/include/sound/da7219-aad.h b/include/sound/da7219-aad.h
index 24ee7baa2589..41320522daa2 100644
--- a/include/sound/da7219-aad.h
+++ b/include/sound/da7219-aad.h
@@ -44,6 +44,11 @@ enum da7219_aad_jack_ins_deb {
DA7219_AAD_JACK_INS_DEB_1S,
};
+enum da7219_aad_jack_ins_det_pty {
+ DA7219_AAD_JACK_INS_DET_PTY_LOW = 0,
+ DA7219_AAD_JACK_INS_DET_PTY_HIGH,
+};
+
enum da7219_aad_jack_det_rate {
DA7219_AAD_JACK_DET_RATE_32_64MS = 0,
DA7219_AAD_JACK_DET_RATE_64_128MS,
@@ -80,6 +85,7 @@ struct da7219_aad_pdata {
enum da7219_aad_btn_cfg btn_cfg;
enum da7219_aad_mic_det_thr mic_det_thr;
enum da7219_aad_jack_ins_deb jack_ins_deb;
+ enum da7219_aad_jack_ins_det_pty jack_ins_det_pty;
enum da7219_aad_jack_det_rate jack_det_rate;
enum da7219_aad_jack_rem_deb jack_rem_deb;
diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index 993a0d00bc48..a61dc965f4fc 100644
--- a/sound/soc/codecs/da7219-aad.c
+++ b/sound/soc/codecs/da7219-aad.c
@@ -571,6 +571,19 @@ static enum da7219_aad_jack_ins_deb
}
}
+static enum da7219_aad_jack_ins_det_pty
+ da7219_aad_fw_jack_ins_det_pty(struct device *dev, const char *str)
+{
+ if (!strcmp(str, "low")) {
+ return DA7219_AAD_JACK_INS_DET_PTY_LOW;
+ } else if (!strcmp(str, "high")) {
+ return DA7219_AAD_JACK_INS_DET_PTY_HIGH;
+ } else {
+ dev_warn(dev, "Invalid jack insertion detection polarity");
+ return DA7219_AAD_JACK_INS_DET_PTY_LOW;
+ }
+}
+
static enum da7219_aad_jack_det_rate
da7219_aad_fw_jack_det_rate(struct device *dev, const char *str)
{
@@ -688,6 +701,12 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev)
else
aad_pdata->jack_ins_deb = DA7219_AAD_JACK_INS_DEB_20MS;
+ if (!fwnode_property_read_string(aad_np, "dlg,jack-ins-det-pty", &fw_str))
+ aad_pdata->jack_ins_det_pty =
+ da7219_aad_fw_jack_ins_det_pty(dev, fw_str);
+ else
+ aad_pdata->jack_ins_det_pty = DA7219_AAD_JACK_INS_DET_PTY_LOW;
+
if (!fwnode_property_read_string(aad_np, "dlg,jack-det-rate", &fw_str))
aad_pdata->jack_det_rate =
da7219_aad_fw_jack_det_rate(dev, fw_str);
@@ -849,6 +868,21 @@ static void da7219_aad_handle_pdata(struct snd_soc_component *component)
mask |= DA7219_ADC_1_BIT_REPEAT_MASK;
}
snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_7, mask, cfg);
+
+ switch (aad_pdata->jack_ins_det_pty) {
+ case DA7219_AAD_JACK_INS_DET_PTY_LOW:
+ snd_soc_component_write(component, 0xF0, 0x8B);
+ snd_soc_component_write(component, 0x75, 0x80);
+ snd_soc_component_write(component, 0xF0, 0x00);
+ break;
+ case DA7219_AAD_JACK_INS_DET_PTY_HIGH:
+ snd_soc_component_write(component, 0xF0, 0x8B);
+ snd_soc_component_write(component, 0x75, 0x00);
+ snd_soc_component_write(component, 0xF0, 0x00);
+ break;
+ default:
+ break;
+ }
}
}
--
2.17.1
