Move gpio to gpio_desc and use gpiod APIs in codec driver.

Signed-off-by: Bard Liao bardliao@realtek.com Signed-off-by: Oder Chiou oder_chiou@realtek.com --- * Change gpio name from rt5645 to hp-detect * Use devm_gpiod_get API to get gpiod --- include/sound/rt5645.h | 3 --- sound/soc/codecs/rt5645.c | 47 ++++++++++++----------------------------------- sound/soc/codecs/rt5645.h | 1 + 3 files changed, 13 insertions(+), 38 deletions(-)

diff --git a/include/sound/rt5645.h b/include/sound/rt5645.h index 652cb9e..22734bc 100644 --- a/include/sound/rt5645.h +++ b/include/sound/rt5645.h @@ -20,9 +20,6 @@ struct rt5645_platform_data { unsigned int dmic2_data_pin; /* 0 = IN2P; 1 = GPIO6; 2 = GPIO10; 3 = GPIO12 */

- unsigned int hp_det_gpio; - bool gpio_hp_det_active_high; - unsigned int jd_mode; };

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index b86474a..41bd47e 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -2938,17 +2938,11 @@ static int rt5645_irq_detection(struct rt5645_priv *rt5645)

switch (rt5645->pdata.jd_mode) { case 0: /* Not using rt5645 JD */ - if (gpio_is_valid(rt5645->pdata.hp_det_gpio)) { - gpio_state = gpio_get_value(rt5645->pdata.hp_det_gpio); - dev_dbg(rt5645->codec->dev, "gpio = %d(%d)\n", - rt5645->pdata.hp_det_gpio, gpio_state); - } - if ((rt5645->pdata.gpio_hp_det_active_high && gpio_state) || - (!rt5645->pdata.gpio_hp_det_active_high && - !gpio_state)) { - report = rt5645_jack_detect(rt5645->codec, 1); - } else { - report = rt5645_jack_detect(rt5645->codec, 0); + if (rt5645->gpiod_hp_det) { + gpio_state = gpiod_get_value(rt5645->gpiod_hp_det); + dev_dbg(rt5645->codec->dev, "gpio_state = %d\n", + gpio_state); + report = rt5645_jack_detect(rt5645->codec, gpio_state); } snd_soc_jack_report(rt5645->hp_jack, report, SND_JACK_HEADPHONE); @@ -3238,7 +3232,6 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, struct rt5645_priv *rt5645; int ret; unsigned int val; - struct gpio_desc *gpiod;

rt5645 = devm_kzalloc(&i2c->dev, sizeof(struct rt5645_priv), GFP_KERNEL); @@ -3253,19 +3246,16 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, } else { if (dmi_check_system(dmi_platform_intel_braswell)) { rt5645->pdata = *rt5645_pdata; - gpiod = devm_gpiod_get_index(&i2c->dev, "rt5645", 0); - - if (IS_ERR(gpiod) || gpiod_direction_input(gpiod)) { - rt5645->pdata.hp_det_gpio = -1; - dev_err(&i2c->dev, "failed to initialize gpiod\n"); - } else { - rt5645->pdata.hp_det_gpio = desc_to_gpio(gpiod); - rt5645->pdata.gpio_hp_det_active_high - = !gpiod_is_active_low(gpiod); - } } }

+ rt5645->gpiod_hp_det = devm_gpiod_get(&i2c->dev, "hp-detect", GPIOD_IN); + + if (IS_ERR(rt5645->gpiod_hp_det)) { + rt5645->gpiod_hp_det = NULL; + dev_err(&i2c->dev, "failed to initialize gpiod\n"); + } + rt5645->regmap = devm_regmap_init_i2c(i2c, &rt5645_regmap); if (IS_ERR(rt5645->regmap)) { ret = PTR_ERR(rt5645->regmap); @@ -3427,16 +3417,6 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret); }

- if (gpio_is_valid(rt5645->pdata.hp_det_gpio)) { - ret = gpio_request(rt5645->pdata.hp_det_gpio, "rt5645"); - if (ret) - dev_err(&i2c->dev, "Fail gpio_request hp_det_gpio\n"); - - ret = gpio_direction_input(rt5645->pdata.hp_det_gpio); - if (ret) - dev_err(&i2c->dev, "Fail gpio_direction hp_det_gpio\n"); - } - return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5645, rt5645_dai, ARRAY_SIZE(rt5645_dai)); } @@ -3450,9 +3430,6 @@ static int rt5645_i2c_remove(struct i2c_client *i2c)

cancel_delayed_work_sync(&rt5645->jack_detect_work);

- if (gpio_is_valid(rt5645->pdata.hp_det_gpio)) - gpio_free(rt5645->pdata.hp_det_gpio); - snd_soc_unregister_codec(&i2c->dev);

return 0; diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h index 9ec4e89..0353a6a 100644 --- a/sound/soc/codecs/rt5645.h +++ b/sound/soc/codecs/rt5645.h @@ -2182,6 +2182,7 @@ struct rt5645_priv { struct rt5645_platform_data pdata; struct regmap *regmap; struct i2c_client *i2c; + struct gpio_desc *gpiod_hp_det; struct snd_soc_jack *hp_jack; struct snd_soc_jack *mic_jack; struct snd_soc_jack *btn_jack;

Modify the RT5645 driver to parse platform data from device tree. Write a DT binding document to describe those properties.

Signed-off-by: Bard Liao bardliao@realtek.com Signed-off-by: Oder Chiou oder_chiou@realtek.com --- * Add hp-detect-gpios' property --- Documentation/devicetree/bindings/sound/rt5645.txt | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rt5645.txt

diff --git a/Documentation/devicetree/bindings/sound/rt5645.txt b/Documentation/devicetree/bindings/sound/rt5645.txt new file mode 100644 index 0000000..7cee1f5 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt5645.txt @@ -0,0 +1,72 @@ +RT5650/RT5645 audio CODEC + +This device supports I2C only. + +Required properties: + +- compatible : One of "realtek,rt5645" or "realtek,rt5650". + +- reg : The I2C address of the device. + +- interrupts : The CODEC's interrupt output. + +Optional properties: + +- hp-detect-gpios: + a GPIO spec for the external headphone detect pin. If jd-mode = 0, + we will get the JD status by getting the value of hp-detect-gpios. + +- realtek,in2-differential + Boolean. Indicate MIC2 input are differential, rather than single-ended. + +- realtek,dmic1-data-pin + 0: dmic1 is not used + 1: using IN2P pin as dmic1 data pin + 2: using GPIO6 pin as dmic1 data pin + 3: using GPIO10 pin as dmic1 data pin + 4: using GPIO12 pin as dmic1 data pin + +- realtek,dmic2-data-pin + 0: dmic2 is not used + 1: using IN2N pin as dmic2 data pin + 2: using GPIO5 pin as dmic2 data pin + 3: using GPIO11 pin as dmic2 data pin + +-- realtek,jd-mode : The JD mode of rt5645/rt5650 + 0 : rt5645/rt5650 JD function is not used + 1 : Mode-0 (VDD=3.3V), two port jack detection + 2 : Mode-1 (VDD=3.3V), one port jack detection + 3 : Mode-2 (VDD=1.8V), one port jack detection + +Pins on the device (for linking into audio routes) for RT5645/RT5650: + + * DMIC L1 + * DMIC R1 + * DMIC L2 + * DMIC R2 + * IN1P + * IN1N + * IN2P + * IN2N + * Haptic Generator + * HPOL + * HPOR + * LOUTL + * LOUTR + * PDM1L + * PDM1R + * SPOL + * SPOR + +Example: + +codec: rt5650@1a { + compatible = "realtek,rt5650"; + reg = <0x1a>; + hp-detect-gpios = <&gpio 19 0>; + interrupt-parent = <&gpio>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + realtek,dmic-en = "true"; + realtek,en-jd-func = "true"; + realtek,jd-mode = <3>; +}; \ No newline at end of file