diff options
| author |   Neo Hou <neo.hou@unisoc.com> | 2019-01-16 13:06:13 +0800 |
|---|---|---|
| committer |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-01-23 17:24:01 +0100 |
| commit | 09d158d52d2bceda736797a61b6c13d7fc83707b (patch) | |
| tree | 88e13d5da350d306a6374b2a3e8ae41e3e0cec08 /drivers/gpio | |
| parent | gpiolib: fix line event timestamps for nested irqs (diff) | |
| download | linux-dev-09d158d52d2bceda736797a61b6c13d7fc83707b.tar.xz linux-dev-09d158d52d2bceda736797a61b6c13d7fc83707b.zip | |
gpio: sprd: Fix the incorrect data register
Since differnt type EICs have its own data register to read, thus fix the
incorrect data register.
Fixes: 25518e024e3a ("gpio: Add Spreadtrum EIC driver support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Neo Hou <neo.hou@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-eic-sprd.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index e0d6a0a7bc69..257df59815c9 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -180,7 +180,18 @@ static void sprd_eic_free(struct gpio_chip *chip, unsigned int offset) static int sprd_eic_get(struct gpio_chip *chip, unsigned int offset) { - return sprd_eic_read(chip, offset, SPRD_EIC_DBNC_DATA); + struct sprd_eic *sprd_eic = gpiochip_get_data(chip); + + switch (sprd_eic->type) { + case SPRD_EIC_DEBOUNCE: + return sprd_eic_read(chip, offset, SPRD_EIC_DBNC_DATA); + case SPRD_EIC_ASYNC: + return sprd_eic_read(chip, offset, SPRD_EIC_ASYNC_DATA); + case SPRD_EIC_SYNC: + return sprd_eic_read(chip, offset, SPRD_EIC_SYNC_DATA); + default: + return -ENOTSUPP; + } } static int sprd_eic_direction_input(struct gpio_chip *chip, unsigned int offset) |