diff options
Diffstat (limited to 'arch/arm/plat-mxs/pinctrl.c')
| -rw-r--r-- | arch/arm/plat-mxs/pinctrl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/pinctrl.c b/arch/arm/plat-mxs/pinctrl.c index 47fba76024c2..cdef3e02d495 100644 --- a/arch/arm/plat-mxs/pinctrl.c +++ b/arch/arm/plat-mxs/pinctrl.c @@ -49,6 +49,25 @@ int mxs_request_pin(unsigned int pin, enum pin_fun fun, const char *lab) } EXPORT_SYMBOL(mxs_request_pin); +int mxs_get_type(unsigned int pin) +{ + int bank, index; + struct pin_bank *pb; + int ret = 0; + if (g_chip == NULL) + return -ENODEV; + + bank = g_chip->pin2id(g_chip, pin, &index); + if (bank < 0 || index < 0 || bank >= g_chip->bank_size) + return -EFAULT; + + pb = g_chip->banks + bank; + if (g_chip->get_type) + ret = g_chip->get_type(pb, index); + return ret; +} +EXPORT_SYMBOL(mxs_get_type); + int mxs_set_type(unsigned int pin, enum pin_fun fun, const char *lab) { int bank, index; |