mirror/u-boot-2016
1
0
Fork 0
mirror of https://git.codelinaro.org/clo/qsdk/oss/boot/u-boot-2016.git synced 2026-03-11 03:28:39 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

sunxi: mmc: Enable pull-up on card-detect gpio pin

Browse source 
On some boards we need to enable the internal pull-up te reliable detect
that no card is inserted.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2015-05-30 16:39:10 +02:00
parent d8abb46b37
commit 1c09fa38e0
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/mmc/sunxi_mmc.c
View file

@ -75,8 +75,10 @@ static int mmc_resource_init(int sdc_no)
cd_pin = sunxi_mmc_getcd_gpio(sdc_no);
if (cd_pin >= 0) {
ret = gpio_request(cd_pin, "mmc_cd");
if (!ret)
if (!ret) {
sunxi_gpio_set_pull(cd_pin, SUNXI_GPIO_PULL_UP);
ret = gpio_direction_input(cd_pin);
}
}
return ret;