diff options
| author | Haley Teng <hteng@nvidia.com> | 2011-10-26 21:37:44 +0800 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-30 10:45:40 +0530 |
| commit | 3f5e8a2246a4326951397f9d82fff1cc063b41f2 (patch) | |
| tree | ccba613943b0d6f3c048fe4dd5ee0e09d76a8a11 /drivers/mfd | |
| parent | f09f6339d02b4720df4951cc6d182eb86c2e43f4 (diff) | |
tps6591x: fix tps6591x_gpio_output() cannot drive 'low' issue
mask the GPIO_SET bit (0x1) before decide set it or not by the input
parameter 'value'
Signed-off-by: Haley Teng <hteng@nvidia.com>
Reviewed-on: http://git-master/r/60425
Reviewed-on: http://git-master/r/66589
(cherry picked from commit d7ac2209e0a3783004fba240eea87a8e569d3745)
Change-Id: I33c69c9aaaf3c9b624fabbcbcab80e75de706d38
Reviewed-on: http://git-master/r/71962
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Haley Teng <hteng@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/tps6591x.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mfd/tps6591x.c b/drivers/mfd/tps6591x.c index cc3ff239e24b..8ce44244e9ab 100644 --- a/drivers/mfd/tps6591x.c +++ b/drivers/mfd/tps6591x.c @@ -359,6 +359,7 @@ static int tps6591x_gpio_output(struct gpio_chip *gc, unsigned offset, if (ret) return ret; + reg_val &= ~0x1; val = (value & 0x1) | 0x4; reg_val = reg_val | val; return __tps6591x_write(tps6591x->client, TPS6591X_GPIO_BASE_ADDR + |