> >>This patch adds led-flash support to Maxim max77693 chipset.
> >>Device can be exposed to user space through LED subsystem
> >>sysfs interface or through V4L2 subdevice when the support
> >>for Multimedia Framework is enabled. Device supports up to
> >>two leds which can work in flash and torch mode. Leds can
> >>be triggered externally or by software.
> >>
> >>Signed-off-by: Andrzej Hajda <a.ha...@samsung.com>
> >>Signed-off-by: Jacek Anaszewski <j.anaszew...@samsung.com>
> >>Acked-by: Kyungmin Park <kyungmin.p...@samsung.com>
> >>Cc: Bryan Wu <coolo...@gmail.com>
> >>Cc: Richard Purdie <rpur...@rpsys.net>
> >>Cc: SangYoung Son <hello....@smasung.com>
> >>Cc: Samuel Ortiz <sa...@linux.intel.com>
> >>Cc: Lee Jones <lee.jo...@linaro.org>
> >>---
> >> drivers/leds/Kconfig | 9 +
> >> drivers/leds/Makefile | 1 +
> >> drivers/leds/leds-max77693.c | 768
> >> ++++++++++++++++++++++++++++++++++++++++++
> >> drivers/mfd/max77693.c | 21 +-
> >> include/linux/mfd/max77693.h | 32 ++
> >> 5 files changed, 825 insertions(+), 6 deletions(-)
> >> create mode 100644 drivers/leds/leds-max77693.c
> >
> >[...]
> >>-static const struct mfd_cell max77693_devs[] = {
> >>- { .name = "max77693-pmic", },
> >>- { .name = "max77693-charger", },
> >>- { .name = "max77693-flash", },
> >>- { .name = "max77693-muic", },
> >>- { .name = "max77693-haptic", },
> >>+enum mfd_devs_idx {
> >>+ IDX_PMIC,
> >>+ IDX_CHARGER,
> >>+ IDX_LED,
> >>+ IDX_MUIC,
> >>+ IDX_HAPTIC,
> >>+};
> >>+
> >>+static struct mfd_cell max77693_devs[] = {
> >>+ [IDX_PMIC] = { .name = "max77693-pmic", },
> >>+ [IDX_CHARGER] = { .name = "max77693-charger", },
> >>+ [IDX_LED] = { .name = "max77693-led",
> >>+ .of_compatible = "maxim,max77693-led"},
> >>+ [IDX_MUIC] = { .name = "max77693-muic", },
> >>+ [IDX_HAPTIC] = { .name = "max77693-haptic", },
> >> };
> >
> >What is the purpose of this change?
> >
> Introducing mfd_devs_idx itself is a cosmetic change, which
> actually could be avoided. Initialization of the of_compatible field
> is required for the led driver to get matched properly. And as I've
> just realized also max77693-flash name should be preserved.
> I will fix this in the next version of the patch.
I'm happy with the addition of any .of_compatible strings, however
please leave out the IDXs in your next version(s).
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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