[PATCH] ASoC: simple-card-utils: switch to using gpiod API

[PATCH] ASoC: simple-card-utils: switch to using gpiod API

[Dmitry Torokhov]

This patch switches the driver away from legacy gpio/of_gpio API to
gpiod API, and removes use of of_get_named_gpio_flags() which I want to
make private to gpiolib.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 sound/soc/generic/simple-card-utils.c | 28 ++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 1b201dd09259..bef16833c487 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -9,7 +9,6 @@
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/of_graph.h>
 #include <sound/jack.h>
 #include <sound/pcm_params.h>
@@ -729,12 +728,12 @@ int asoc_simple_init_jack(struct snd_soc_card *card,
 			  char *pin)
 {
 	struct device *dev = card->dev;
-	enum of_gpio_flags flags;
+	struct gpio_desc *desc;
 	char prop[128];
 	char *pin_name;
 	char *gpio_name;
 	int mask;
-	int det;
+	int error;
 
 	if (!prefix)
 		prefix = "";
@@ -742,36 +741,39 @@ int asoc_simple_init_jack(struct snd_soc_card *card,
 	sjack->gpio.gpio = -ENOENT;
 
 	if (is_hp) {
-		snprintf(prop, sizeof(prop), "%shp-det-gpio", prefix);
+		snprintf(prop, sizeof(prop), "%shp-det", prefix);
 		pin_name	= pin ? pin : "Headphones";
 		gpio_name	= "Headphone detection";
 		mask		= SND_JACK_HEADPHONE;
 	} else {
-		snprintf(prop, sizeof(prop), "%smic-det-gpio", prefix);
+		snprintf(prop, sizeof(prop), "%smic-det", prefix);
 		pin_name	= pin ? pin : "Mic Jack";
 		gpio_name	= "Mic detection";
 		mask		= SND_JACK_MICROPHONE;
 	}
 
-	det = of_get_named_gpio_flags(dev->of_node, prop, 0, &flags);
-	if (det == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
+	desc = gpiod_get_optional(dev, prop, GPIOD_IN);
+	error = PTR_ERR_OR_ZERO(desc);
+	if (error)
+		return error;
+
+	if (desc) {
+		error = gpiod_set_consumer_name(desc, gpio_name);
+		if (error)
+			return error;
 
-	if (gpio_is_valid(det)) {
 		sjack->pin.pin		= pin_name;
 		sjack->pin.mask		= mask;
 
 		sjack->gpio.name	= gpio_name;
 		sjack->gpio.report	= mask;
-		sjack->gpio.gpio	= det;
-		sjack->gpio.invert	= !!(flags & OF_GPIO_ACTIVE_LOW);
+		sjack->gpio.desc	= desc;
 		sjack->gpio.debounce_time = 150;
 
 		snd_soc_card_jack_new_pins(card, pin_name, mask, &sjack->jack,
 					   &sjack->pin, 1);
 
-		snd_soc_jack_add_gpios(&sjack->jack, 1,
-				       &sjack->gpio);
+		snd_soc_jack_add_gpios(&sjack->jack, 1, &sjack->gpio);
 	}
 
 	return 0;
-- 
2.37.2.789.g6183377224-goog


-- 
Dmitry

Re: [PATCH] ASoC: simple-card-utils: switch to using gpiod API

[Linus Walleij]

On Tue, Sep 6, 2022 at 9:06 PM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:

> This patch switches the driver away from legacy gpio/of_gpio API to
> gpiod API, and removes use of of_get_named_gpio_flags() which I want to
> make private to gpiolib.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Excellent patch, I love what you're doing here!
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

Re: [PATCH] ASoC: simple-card-utils: switch to using gpiod API

[Mark Brown]

On Tue, 6 Sep 2022 12:06:09 -0700, Dmitry Torokhov wrote:
> This patch switches the driver away from legacy gpio/of_gpio API to
> gpiod API, and removes use of of_get_named_gpio_flags() which I want to
> make private to gpiolib.
> 
> 

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: simple-card-utils: switch to using gpiod API
      commit: 355beeed9319cf3ceea56c7dec874a8a9c443771

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark