diff options
| author | Tom Rini <trini@konsulko.com> | 2020-03-31 17:24:19 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-03-31 17:24:19 -0400 |
| commit | 2b18b89156335bf1f0d84f81d3597762bc48c61d (patch) | |
| tree | 544e93c39bfaeff20b2ac47980de27edf1a585e4 /cmd/gpio.c | |
| parent | 779e6dc6a429ac28dfd4f07ab0c3648a31399d4a (diff) | |
| parent | ac28e59a574dd231a4787752d923f618587e3d10 (diff) | |
Merge branch 'next' of git://git.denx.de/u-boot-usb into next
Diffstat (limited to 'cmd/gpio.c')
| -rw-r--r-- | cmd/gpio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cmd/gpio.c b/cmd/gpio.c index 16c2cebb3d4..408a942455b 100644 --- a/cmd/gpio.c +++ b/cmd/gpio.c @@ -248,7 +248,12 @@ static int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (ret != -EBUSY) gpio_free(gpio); - return CMD_RET_SUCCESS; + /* + * Whilst wrong, the legacy gpio input command returns the pin + * value, or CMD_RET_FAILURE (which is indistinguishable from a + * valid pin value). + */ + return (sub_cmd == GPIOC_INPUT) ? value : CMD_RET_SUCCESS; err: if (ret != -EBUSY) |