mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Jingoo Han <jg1.han@samsung.com>
To: "'Andrew Morton'" <akpm@linux-foundation.org>,
	"'LKML'" <linux-kernel@vger.kernel.org>
Cc: "'Richard Purdie'" <rpurdie@rpsys.net>,
	"'Dmitry Baryshkov'" <dbaryshkov@gmail.com>,
	"'Jingoo Han'" <jg1.han@samsung.com>
Subject: [PATCH 2/2] backlight: tosa: use devm_gpio_request_one
Date: Wed, 17 Oct 2012 14:50:44 +0900	[thread overview]
Message-ID: <003901cdac2b$5995e7a0$0cc1b6e0$%han@samsung.com> (raw)

By using devm_gpio_request_one it is possible to set the direction
and initial value in one shot. Thus, using devm_gpio_request_one
can make the code simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
---
 drivers/video/backlight/tosa_bl.c  |    6 ++----
 drivers/video/backlight/tosa_lcd.c |    8 ++------
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index 49342e1..60f258c 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -92,14 +92,12 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
 
 	data->comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj;
 
-	ret = devm_gpio_request(&client->dev, TOSA_GPIO_BL_C20MA, "backlight");
+	ret = devm_gpio_request_one(&client->dev, TOSA_GPIO_BL_C20MA,
+				GPIOF_OUT_INIT_LOW, "backlight");
 	if (ret) {
 		dev_dbg(&data->bl->dev, "Unable to request gpio!\n");
 		return ret;
 	}
-	ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0);
-	if (ret)
-		return ret;
 
 	i2c_set_clientdata(client, data);
 	data->i2c = client;
diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c
index 33047a6..00a8f21 100644
--- a/drivers/video/backlight/tosa_lcd.c
+++ b/drivers/video/backlight/tosa_lcd.c
@@ -193,17 +193,13 @@ static int __devinit tosa_lcd_probe(struct spi_device *spi)
 	data->spi = spi;
 	dev_set_drvdata(&spi->dev, data);
 
-	ret = devm_gpio_request(&spi->dev, TOSA_GPIO_TG_ON, "tg #pwr");
+	ret = devm_gpio_request_one(&spi->dev, TOSA_GPIO_TG_ON,
+				GPIOF_OUT_INIT_LOW, "tg #pwr");
 	if (ret < 0)
 		goto err_gpio_tg;
 
 	mdelay(60);
 
-	ret = gpio_direction_output(TOSA_GPIO_TG_ON, 0);
-	if (ret < 0)
-		goto err_gpio_tg;
-
-	mdelay(60);
 	tosa_lcd_tg_init(data);
 
 	tosa_lcd_tg_on(data);
-- 
1.7.1



                 reply	other threads:[~2012-10-17  5:50 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='003901cdac2b$5995e7a0$0cc1b6e0$%han@samsung.com' \
    --to=jg1.han@samsung.com \
    --cc=akpm@linux-foundation.org \
    --cc=dbaryshkov@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rpurdie@rpsys.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®