From 58c244009ef6ca450f0d787828a7f2f27651db5b Mon Sep 17 00:00:00 2001 From: Igor Grinberg Date: Mon, 27 Jun 2011 13:06:27 -0700 Subject: [PATCH] Input: ads7846 - cleanup GPIO initialization Use gpio_request_one() instead of multiple gpiolib calls. This also simplifies error handling a bit. Signed-off-by: Igor Grinberg Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/ads7846.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 5196861..d507b9b 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -967,17 +967,12 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 ts->get_pendown_state = pdata->get_pendown_state; } else if (gpio_is_valid(pdata->gpio_pendown)) { - err = gpio_request(pdata->gpio_pendown, "ads7846_pendown"); + err = gpio_request_one(pdata->gpio_pendown, GPIOF_IN, + "ads7846_pendown"); if (err) { - dev_err(&spi->dev, "failed to request pendown GPIO%d\n", - pdata->gpio_pendown); - return err; - } - err = gpio_direction_input(pdata->gpio_pendown); - if (err) { - dev_err(&spi->dev, "failed to setup pendown GPIO%d\n", - pdata->gpio_pendown); - gpio_free(pdata->gpio_pendown); + dev_err(&spi->dev, + "failed to request/setup pendown GPIO%d: %d\n", + pdata->gpio_pendown, err); return err; } -- 2.7.4