Commit 72db3335 authored by Jyri Sarha's avatar Jyri Sarha Committed by Bartlomiej Zolnierkiewicz
Browse files

fbdev: ssd1307fb: Start to use gpiod API for reset gpio 



Start to use gpiod API for reset gpio.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Benoît Cousson <bcousson@baylibre.com>
Signed-off-by: default avatarJyri Sarha <jsarha@ti.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
parent b49898ce

drivers/video/fbdev/ssd1307fb.c

+8 −17
Original line number Diff line number Diff line
@@ -73,7 +73,7 @@ struct ssd1307fb_par { 
	u32 prechargep2;

	struct pwm_device *pwm;

	u32 pwm_period;

	int reset;

	struct gpio_desc *reset;

	u32 seg_remap;

	u32 vcomh;

	u32 width;
@@ -561,10 +561,11 @@ static int ssd1307fb_probe(struct i2c_client *client, 


	par->device_info = of_device_get_match_data(&client->dev);



	par->reset = of_get_named_gpio(client->dev.of_node,

					 "reset-gpios", 0);

	if (!gpio_is_valid(par->reset)) {

		ret = -EINVAL;

	par->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_LOW);

	if (IS_ERR(par->reset)) {

		dev_err(&client->dev, "failed to get reset gpio: %ld\n",

			PTR_ERR(par->reset));

		ret = PTR_ERR(par->reset);

		goto fb_alloc_error;

	}
@@ -642,22 +643,12 @@ static int ssd1307fb_probe(struct i2c_client *client, 


	fb_deferred_io_init(info);



	ret = devm_gpio_request_one(&client->dev, par->reset,

				    GPIOF_OUT_INIT_HIGH,

				    "oled-reset");

	if (ret) {

		dev_err(&client->dev,

			"failed to request gpio %d: %d\n",

			par->reset, ret);

		goto reset_oled_error;

	}



	i2c_set_clientdata(client, info);



	/* Reset the screen */

	gpio_set_value(par->reset, 0);

	gpiod_set_value(par->reset, 0);

	udelay(4);

	gpio_set_value(par->reset, 1);

	gpiod_set_value(par->reset, 1);

	udelay(4);



	ret = ssd1307fb_init(par);

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