Some PMIC vibrator IPs use a separate enable register to turn the
vibrator on and off. To detect if a vibrator uses this feature, rely on
the enable_mask being non-zero.
Signed-off-by: Damien Riegel <damien.riegel@xxxxxxxxxxxxxxxxxxxx>
---
Changes in v2:
- Removed reading register base address from device tree as it can
already be infered from the compatible string.
drivers/input/misc/pm8xxx-vibrator.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
index b9b73957a48f..50b874e6f678 100644
--- a/drivers/input/misc/pm8xxx-vibrator.c
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -14,6 +14,7 @@
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
@@ -26,6 +27,9 @@
#define MAX_FF_SPEED 0xff
struct pm8xxx_regs {
+ unsigned int enable_addr;
+ unsigned int enable_mask;
+
unsigned int drv_addr;
unsigned int drv_mask;
unsigned int drv_shift;
@@ -82,7 +86,14 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on)
return rc;
vib->reg_vib_drv = val;
- return 0;
+
+ if (regs->enable_mask) {
+ unsigned int val = on ? regs->enable_mask : 0;
+ rc = regmap_update_bits(vib->regmap, regs->enable_addr,
+ regs->enable_mask, val);
+ }
+
+ return rc;
}
/**
--
2.12.1
--
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