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| author | Igor Grinberg <grinberg@compulab.co.il> | 2011-06-27 13:06:27 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-06-27 13:08:05 -0700 |
| commit | 58c244009ef6ca450f0d787828a7f2f27651db5b (patch) | |
| tree | 743d3f6a63fc4ddab9b09c2ccf559e65ada1ba75 /drivers/input/touchscreen/ads7846.c | |
| parent | 11d0cf8859451d6336959204b2d4cc173dd1aa4e (diff) | |
| download | blackbird-op-linux-58c244009ef6ca450f0d787828a7f2f27651db5b.tar.gz blackbird-op-linux-58c244009ef6ca450f0d787828a7f2f27651db5b.zip | |
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 <grinberg@compulab.co.il>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/touchscreen/ads7846.c')
| -rw-r--r-- | drivers/input/touchscreen/ads7846.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 5196861b86ef..d507b9b67806 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; } |
