diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-12-18 04:01:12 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-18 05:15:17 +0400 |
| commit | 1eddd9770f7e809228ae761ecc575f214f571e51 (patch) | |
| tree | 706b0b70431dccd2262a7de576dc67862492429e | |
| parent | 424e06e3da2cbf986d7421f98b90fe5cf4b57be5 (diff) | |
| download | linux-1eddd9770f7e809228ae761ecc575f214f571e51.tar.xz | |
drivers/video/backlight/lms283gf05.c: use GPIOF_INIT flags when using devm_gpio_request_one()
GPIOF_DIR_OUT and GPIOF_DIR_IN are defined as below:
GPIOF_DIR_OUT (0 << 0)
GPIOF_DIR_IN (1 << 0)
So, when !pdata->reset_inverted is 1, the gpio pin can be set as
input, instead of output.
To prevent this problem, GPIOF_INIT flag should be used when using
devm_gpio_request_one().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/video/backlight/lms283gf05.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index 13e24d52887c..55819b384701 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -159,7 +159,8 @@ static int lms283gf05_probe(struct spi_device *spi) if (pdata != NULL) { ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio, - GPIOF_DIR_OUT | !pdata->reset_inverted, + GPIOF_DIR_OUT | (!pdata->reset_inverted ? + GPIOF_INIT_HIGH : GPIOF_INIT_LOW), "LMS285GF05 RESET"); if (ret) return ret; |