diff options
Diffstat (limited to 'sound/soc/soc-jack.c')
-rw-r--r-- | sound/soc/soc-jack.c | 88 |
1 files changed, 66 insertions, 22 deletions
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c index b903f822d1b2..d0d98810af91 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c @@ -14,6 +14,7 @@ #include <sound/jack.h> #include <sound/soc.h> #include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/interrupt.h> #include <linux/workqueue.h> #include <linux/delay.h> @@ -240,7 +241,7 @@ static void snd_soc_jack_gpio_detect(struct snd_soc_jack_gpio *gpio) int enable; int report; - enable = gpio_get_value_cansleep(gpio->gpio); + enable = gpiod_get_value_cansleep(gpio->desc); if (gpio->invert) enable = !enable; @@ -297,31 +298,50 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, int i, ret; for (i = 0; i < count; i++) { - if (!gpio_is_valid(gpios[i].gpio)) { - dev_err(jack->codec->dev, "ASoC: Invalid gpio %d\n", - gpios[i].gpio); - ret = -EINVAL; - goto undo; - } if (!gpios[i].name) { - dev_err(jack->codec->dev, "ASoC: No name for gpio %d\n", - gpios[i].gpio); + dev_err(jack->codec->dev, + "ASoC: No name for gpio at index %d\n", i); ret = -EINVAL; goto undo; } - ret = gpio_request(gpios[i].gpio, gpios[i].name); - if (ret) - goto undo; + if (gpios[i].gpiod_dev) { + /* GPIO descriptor */ + gpios[i].desc = gpiod_get_index(gpios[i].gpiod_dev, + gpios[i].name, + gpios[i].idx); + if (IS_ERR(gpios[i].desc)) { + ret = PTR_ERR(gpios[i].desc); + dev_err(gpios[i].gpiod_dev, + "ASoC: Cannot get gpio at index %d: %d", + i, ret); + goto undo; + } + } else { + /* legacy GPIO number */ + if (!gpio_is_valid(gpios[i].gpio)) { + dev_err(jack->codec->dev, + "ASoC: Invalid gpio %d\n", + gpios[i].gpio); + ret = -EINVAL; + goto undo; + } + + ret = gpio_request(gpios[i].gpio, gpios[i].name); + if (ret) + goto undo; + + gpios[i].desc = gpio_to_desc(gpios[i].gpio); + } - ret = gpio_direction_input(gpios[i].gpio); + ret = gpiod_direction_input(gpios[i].desc); if (ret) goto err; INIT_DELAYED_WORK(&gpios[i].work, gpio_work); gpios[i].jack = jack; - ret = request_any_context_irq(gpio_to_irq(gpios[i].gpio), + ret = request_any_context_irq(gpiod_to_irq(gpios[i].desc), gpio_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, @@ -331,15 +351,15 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, goto err; if (gpios[i].wake) { - ret = irq_set_irq_wake(gpio_to_irq(gpios[i].gpio), 1); + ret = irq_set_irq_wake(gpiod_to_irq(gpios[i].desc), 1); if (ret != 0) - dev_err(jack->codec->dev, "ASoC: " - "Failed to mark GPIO %d as wake source: %d\n", - gpios[i].gpio, ret); + dev_err(jack->codec->dev, + "ASoC: Failed to mark GPIO at index %d as wake source: %d\n", + i, ret); } /* Expose GPIO value over sysfs for diagnostic purposes */ - gpio_export(gpios[i].gpio, false); + gpiod_export(gpios[i].desc, false); /* Update initial jack status */ schedule_delayed_work(&gpios[i].work, @@ -358,6 +378,30 @@ undo: EXPORT_SYMBOL_GPL(snd_soc_jack_add_gpios); /** + * snd_soc_jack_add_gpiods - Associate GPIO descriptor pins with an ASoC jack + * + * @gpiod_dev: GPIO consumer device + * @jack: ASoC jack + * @count: number of pins + * @gpios: array of gpio pins + * + * This function will request gpio, set data direction and request irq + * for each gpio in the array. + */ +int snd_soc_jack_add_gpiods(struct device *gpiod_dev, + struct snd_soc_jack *jack, + int count, struct snd_soc_jack_gpio *gpios) +{ + int i; + + for (i = 0; i < count; i++) + gpios[i].gpiod_dev = gpiod_dev; + + return snd_soc_jack_add_gpios(jack, count, gpios); +} +EXPORT_SYMBOL_GPL(snd_soc_jack_add_gpiods); + +/** * snd_soc_jack_free_gpios - Release GPIO pins' resources of an ASoC jack * * @jack: ASoC jack @@ -372,10 +416,10 @@ void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, int i; for (i = 0; i < count; i++) { - gpio_unexport(gpios[i].gpio); - free_irq(gpio_to_irq(gpios[i].gpio), &gpios[i]); + gpiod_unexport(gpios[i].desc); + free_irq(gpiod_to_irq(gpios[i].desc), &gpios[i]); cancel_delayed_work_sync(&gpios[i].work); - gpio_free(gpios[i].gpio); + gpiod_put(gpios[i].desc); gpios[i].jack = NULL; } } |