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Subject[PATCH RESEND 1/2] MFD: MAX8997: add platform data and devices for LED control
Date
MAX8997 device does not support LED control function of it.
To enable MAX8997-LED driver, platform data and devices for LED are updated.

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/mfd/max8997.c | 3 ++-
include/linux/mfd/max8997.h | 25 ++++++++++++++++++++++++-
2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 5be53ae..cb83a7a 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -43,7 +43,8 @@ static struct mfd_cell max8997_devs[] = {
{ .name = "max8997-battery", },
{ .name = "max8997-haptic", },
{ .name = "max8997-muic", },
- { .name = "max8997-flash", },
+ { .name = "max8997-led", .id = 1 },
+ { .name = "max8997-led", .id = 2 },
};

int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h
index 49d2a0b..f2cb5d9 100644
--- a/include/linux/mfd/max8997.h
+++ b/include/linux/mfd/max8997.h
@@ -131,6 +131,28 @@ struct max8997_muic_platform_data {
int num_init_data;
};

+enum max8997_led_mode {
+ MAX8997_NONE,
+ MAX8997_FLASH_MODE,
+ MAX8997_MOVIE_MODE,
+ MAX8997_FLASH_PIN_CONTROL_MODE,
+ MAX8997_MOVIE_PIN_CONTROL_MODE,
+};
+
+/**
+ * struct max8997_led_platform_data
+ * The number of LED devices for MAX8997 is two
+ * @mode: LED mode for each LED device
+ * @brightness: initial brightness for each LED device
+ * range:
+ * [0 - 31]: MAX8997_FLASH_MODE and MAX8997_FLASH_PIN_CONTROL_MODE
+ * [0 - 15]: MAX8997_MOVIE_MODE and MAX8997_MOVIE_PIN_CONTROL_MODE
+ */
+struct max8997_led_platform_data {
+ enum max8997_led_mode mode[2];
+ u8 brightness[2];
+};
+
struct max8997_platform_data {
/* IRQ */
int irq_base;
@@ -172,7 +194,8 @@ struct max8997_platform_data {

/* HAPTIC: Not implemented */
/* RTC: Not implemented */
- /* Flash: Not implemented */
+ /* ---- Flash ---- */
+ struct max8997_led_platform_data *led_pdata;
};

#endif /* __LINUX_MFD_MAX8998_H */
--
1.7.4.1


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