From: Fabio Estevam <festevam@gmail.com>
To: linux-fbdev@vger.kernel.org
Subject: [PATCH] backlight: l4f00242t03: Use gpio_request_one to simplify error handling
Date: Fri, 24 Jun 2011 18:26:20 +0000 [thread overview]
Message-ID: <1308939980-14341-1-git-send-email-festevam@gmail.com> (raw)
Using gpio_request_one can make the error handling simpler.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
drivers/video/backlight/l4f00242t03.c | 17 +++++------------
1 files changed, 5 insertions(+), 12 deletions(-)
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 98ad3e5..d6b0812 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -178,29 +178,22 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi)
priv->spi = spi;
- ret = gpio_request(pdata->reset_gpio, "lcd l4f00242t03 reset");
+ ret = gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH,
+ "lcd l4f00242t03 reset");
if (ret) {
dev_err(&spi->dev,
"Unable to get the lcd l4f00242t03 reset gpio.\n");
goto err;
}
- ret = gpio_direction_output(pdata->reset_gpio, 1);
- if (ret)
- goto err2;
-
- ret = gpio_request(pdata->data_enable_gpio,
- "lcd l4f00242t03 data enable");
+ ret = gpio_request_one(pdata->data_enable_gpio, GPIOF_OUT_INIT_LOW,
+ "lcd l4f00242t03 data enable");
if (ret) {
dev_err(&spi->dev,
"Unable to get the lcd l4f00242t03 data en gpio.\n");
goto err2;
}
-
- ret = gpio_direction_output(pdata->data_enable_gpio, 0);
- if (ret)
- goto err3;
-
+
if (pdata->io_supply) {
priv->io_reg = regulator_get(NULL, pdata->io_supply);
--
1.7.1
reply other threads:[~2011-06-24 18:26 UTC|newest]
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