diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2023-09-29 01:12:54 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2023-10-09 15:14:12 +0300 |
commit | 15b26d8165b39a07f038fb4d2b67a04c50463eb9 (patch) | |
tree | 0acd9051b52d0dd8f36b5bcb255802821c381388 | |
parent | 85a6af284d1c720d78683b550bb5d32bc84e3cfc (diff) | |
download | linux-15b26d8165b39a07f038fb4d2b67a04c50463eb9.tar.xz |
ASoC: rockchip: Convert RK3288 HDMI to GPIO descriptors
This converts the Rockchip RK3288 HDMI driver to use GPIO
descriptors:
- Look up the HP EN GPIO as an optional descriptor and handle
it directly, the gpiod API is NULL-tolerant so no special
guards are needed.
- Let the Jack detection core obtain and handle the HP detection
GPIO, just pass the right name and gpiod_dev and it will
do the job. Make sure to check that the GPIO property
is there first, so it becomes optional.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230929-descriptors-asoc-rockchip-v2-1-2d2c0e043aab@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | sound/soc/rockchip/rk3288_hdmi_analog.c | 46 |
1 files changed, 14 insertions, 32 deletions
diff --git a/sound/soc/rockchip/rk3288_hdmi_analog.c b/sound/soc/rockchip/rk3288_hdmi_analog.c index 5ff499c81d3f..a65d923d94dc 100644 --- a/sound/soc/rockchip/rk3288_hdmi_analog.c +++ b/sound/soc/rockchip/rk3288_hdmi_analog.c @@ -12,8 +12,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> @@ -26,8 +25,7 @@ #define DRV_NAME "rk3288-snd-hdmi-analog" struct rk_drvdata { - int gpio_hp_en; - int gpio_hp_det; + struct gpio_desc *gpio_hp_en; }; static int rk_hp_power(struct snd_soc_dapm_widget *w, @@ -35,11 +33,8 @@ static int rk_hp_power(struct snd_soc_dapm_widget *w, { struct rk_drvdata *machine = snd_soc_card_get_drvdata(w->dapm->card); - if (!gpio_is_valid(machine->gpio_hp_en)) - return 0; - - gpio_set_value_cansleep(machine->gpio_hp_en, - SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value_cansleep(machine->gpio_hp_en, + SND_SOC_DAPM_EVENT_ON(event)); return 0; } @@ -113,22 +108,23 @@ static int rk_hw_params(struct snd_pcm_substream *substream, } static struct snd_soc_jack_gpio rk_hp_jack_gpio = { - .name = "Headphone detection", + .name = "rockchip,hp-det", .report = SND_JACK_HEADPHONE, .debounce_time = 150 }; static int rk_init(struct snd_soc_pcm_runtime *runtime) { - struct rk_drvdata *machine = snd_soc_card_get_drvdata(runtime->card); + struct snd_soc_card *card = runtime->card; + struct device *dev = card->dev; - /* Enable Headset Jack detection */ - if (gpio_is_valid(machine->gpio_hp_det)) { + /* Enable optional Headset Jack detection */ + if (of_property_present(dev->of_node, "rockchip,hp-det-gpios")) { + rk_hp_jack_gpio.gpiod_dev = dev; snd_soc_card_jack_new_pins(runtime->card, "Headphone Jack", SND_JACK_HEADPHONE, &headphone_jack, headphone_jack_pins, ARRAY_SIZE(headphone_jack_pins)); - rk_hp_jack_gpio.gpio = machine->gpio_hp_det; snd_soc_jack_add_gpios(&headphone_jack, 1, &rk_hp_jack_gpio); } @@ -182,24 +178,10 @@ static int snd_rk_mc_probe(struct platform_device *pdev) card->dev = &pdev->dev; - machine->gpio_hp_det = of_get_named_gpio(np, - "rockchip,hp-det-gpios", 0); - if (!gpio_is_valid(machine->gpio_hp_det) && machine->gpio_hp_det != -ENODEV) - return machine->gpio_hp_det; - - machine->gpio_hp_en = of_get_named_gpio(np, - "rockchip,hp-en-gpios", 0); - if (!gpio_is_valid(machine->gpio_hp_en) && machine->gpio_hp_en != -ENODEV) - return machine->gpio_hp_en; - - if (gpio_is_valid(machine->gpio_hp_en)) { - ret = devm_gpio_request_one(&pdev->dev, machine->gpio_hp_en, - GPIOF_OUT_INIT_LOW, "hp_en"); - if (ret) { - dev_err(card->dev, "cannot get hp_en gpio\n"); - return ret; - } - } + machine->gpio_hp_en = devm_gpiod_get_optional(&pdev->dev, "rockchip,hp-en", GPIOD_OUT_LOW); + if (IS_ERR(machine->gpio_hp_en)) + return PTR_ERR(machine->gpio_hp_en); + gpiod_set_consumer_name(machine->gpio_hp_en, "hp_en"); ret = snd_soc_of_parse_card_name(card, "rockchip,model"); if (ret) { |