diff options
| -rw-r--r-- | include/sound/soc.h | 16 | ||||
| -rw-r--r-- | sound/soc/soc-jack.c | 73 |
2 files changed, 72 insertions, 17 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index c6bd40f2c40b..61bea882a74b 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -453,6 +453,9 @@ int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); #ifdef CONFIG_GPIOLIB int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios); +int snd_soc_jack_add_gpiods(struct device *gpiod_dev, + struct snd_soc_jack *jack, + int count, struct snd_soc_jack_gpio *gpios); void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios); #else @@ -462,6 +465,13 @@ static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, return 0; } +int snd_soc_jack_add_gpiods(struct device *gpiod_dev, + struct snd_soc_jack *jack, + int count, struct snd_soc_jack_gpio *gpios) +{ + return 0; +} + static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios) { @@ -586,7 +596,9 @@ struct snd_soc_jack_zone { /** * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection * - * @gpio: gpio number + * @gpio: legacy gpio number + * @idx: gpio descriptor index within the GPIO consumer device + * @gpiod_dev GPIO consumer device * @name: gpio name * @report: value to report when jack detected * @invert: report presence in low state @@ -598,6 +610,8 @@ struct snd_soc_jack_zone { */ struct snd_soc_jack_gpio { unsigned int gpio; + unsigned int idx; + struct device *gpiod_dev; const char *name; int report; int invert; diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c index 7203842fea66..d0d98810af91 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c @@ -298,24 +298,41 @@ 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; - - gpios[i].desc = gpio_to_desc(gpios[i].gpio); + 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 = gpiod_direction_input(gpios[i].desc); if (ret) @@ -336,9 +353,9 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, if (gpios[i].wake) { 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 */ @@ -361,6 +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 |