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@dm.renesas.com --- .../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; + } } }