diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2020-06-03 12:26:53 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-06-15 21:58:33 +0200 |
| commit | c9015a1723373f2c8f8ac994f59470f4fb852623 (patch) | |
| tree | 54718f1825ac1029c8170940602b2ab425bde932 | |
| parent | ASoC: bindings: wm8960: Add property for headphone detection (diff) | |
| download | linux-c9015a1723373f2c8f8ac994f59470f4fb852623.tar.xz linux-c9015a1723373f2c8f8ac994f59470f4fb852623.zip | |
ASoC: wm8960: Support headphone jack detection function
Add two platform variables for headphone jack detection.
"hp_cfg" is for configuration of heaphone jack detection.
"gpio_cfg" is for configuration of gpio, the gpio is used
for plug & unplug interrupt on SoC.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1591180013-12416-2-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | include/sound/wm8960.h | 17 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8960.c | 20 |
2 files changed, 37 insertions, 0 deletions
diff --git a/include/sound/wm8960.h b/include/sound/wm8960.h index d22e84805025..275fd5b201ce 100644 --- a/include/sound/wm8960.h +++ b/include/sound/wm8960.h @@ -16,6 +16,23 @@ struct wm8960_data { bool capless; /* Headphone outputs configured in capless mode */ bool shared_lrclk; /* DAC and ADC LRCLKs are wired together */ + + /* + * Setup for headphone detection + * + * hp_cfg[0]: HPSEL[1:0] of R48 (Additional Control 4) + * hp_cfg[1]: {HPSWEN:HPSWPOL} of R24 (Additional Control 2). + * hp_cfg[2]: {TOCLKSEL:TOEN} of R23 (Additional Control 1). + */ + u32 hp_cfg[3]; + + /* + * Setup for gpio configuration + * + * gpio_cfg[0]: ALRCGPIO of R9 (Audio interface) + * gpio_cfg[1]: {GPIOPOL:GPIOSEL[2:0]} of R48 (Additional Control 4). + */ + u32 gpio_cfg[2]; }; #endif diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index 6cf0f6612bda..2f7f0493144a 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -1389,6 +1389,12 @@ static void wm8960_set_pdata_from_of(struct i2c_client *i2c, if (of_property_read_bool(np, "wlf,shared-lrclk")) pdata->shared_lrclk = true; + + of_property_read_u32_array(np, "wlf,gpio-cfg", pdata->gpio_cfg, + ARRAY_SIZE(pdata->gpio_cfg)); + + of_property_read_u32_array(np, "wlf,hp-cfg", pdata->hp_cfg, + ARRAY_SIZE(pdata->hp_cfg)); } static int wm8960_i2c_probe(struct i2c_client *i2c, @@ -1446,6 +1452,20 @@ static int wm8960_i2c_probe(struct i2c_client *i2c, regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100); regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100); + /* ADCLRC pin configured as GPIO. */ + regmap_update_bits(wm8960->regmap, WM8960_IFACE2, 1 << 6, + wm8960->pdata.gpio_cfg[0] << 6); + regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 0xF << 4, + wm8960->pdata.gpio_cfg[1] << 4); + + /* Enable headphone jack detect */ + regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 3 << 2, + wm8960->pdata.hp_cfg[0] << 2); + regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, 3 << 5, + wm8960->pdata.hp_cfg[1] << 5); + regmap_update_bits(wm8960->regmap, WM8960_ADDCTL1, 3, + wm8960->pdata.hp_cfg[2]); + i2c_set_clientdata(i2c, wm8960); ret = devm_snd_soc_register_component(&i2c->dev, |