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Input: pm8xxx-vib - handle separate enable register 

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@savoirfairelinux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
hifive-unleashed-5.1
Damien Riegel 2017-04-04 16:27:36 -07:00 committed by Dmitry Torokhov
parent 2de3b7048d
commit d4c7c5c96c
1 changed files with 10 additions and 1 deletions
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11
drivers/input/misc/pm8xxx-vibrator.c
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@ -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 +86,12 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on)
return rc;
vib->reg_vib_drv = val;
return 0;
if (regs->enable_mask)
rc = regmap_update_bits(vib->regmap, regs->enable_addr,
on ? regs->enable_mask : 0, val);
return rc;
}
/**