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path: root/drivers/gpio/gpio-crystalcove.c
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Diffstat (limited to 'drivers/gpio/gpio-crystalcove.c')
-rw-r--r--drivers/gpio/gpio-crystalcove.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 25db014494a4..8db7cca3a060 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/seq_file.h>
+#include <linux/string_choices.h>
#include <linux/types.h>
#define CRYSTALCOVE_GPIO_NUM 16
@@ -167,18 +168,18 @@ static int crystalcove_gpio_get(struct gpio_chip *chip, unsigned int gpio)
return val & 0x1;
}
-static void crystalcove_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
+static int crystalcove_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
{
struct crystalcove_gpio *cg = gpiochip_get_data(chip);
int reg = to_reg(gpio, CTRL_OUT);
if (reg < 0)
- return;
+ return 0;
if (value)
- regmap_update_bits(cg->regmap, reg, 1, 1);
- else
- regmap_update_bits(cg->regmap, reg, 1, 0);
+ return regmap_update_bits(cg->regmap, reg, 1, 1);
+
+ return regmap_update_bits(cg->regmap, reg, 1, 0);
}
static int crystalcove_irq_type(struct irq_data *data, unsigned int type)
@@ -317,7 +318,7 @@ static void crystalcove_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip
offset = gpio % 8;
seq_printf(s, " gpio-%-2d %s %s %s %s ctlo=%2x,%s %s %s\n",
gpio, ctlo & CTLO_DIR_OUT ? "out" : "in ",
- ctli & 0x1 ? "hi" : "lo",
+ str_hi_lo(ctli & 0x1),
ctli & CTLI_INTCNT_NE ? "fall" : " ",
ctli & CTLI_INTCNT_PE ? "rise" : " ",
ctlo,
@@ -348,7 +349,7 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)
cg->chip.direction_input = crystalcove_gpio_dir_in;
cg->chip.direction_output = crystalcove_gpio_dir_out;
cg->chip.get = crystalcove_gpio_get;
- cg->chip.set = crystalcove_gpio_set;
+ cg->chip.set_rv = crystalcove_gpio_set;
cg->chip.base = -1;
cg->chip.ngpio = CRYSTALCOVE_VGPIO_NUM;
cg->chip.can_sleep = true;