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Subject[PATCH 26/33] leds-lp55xx: clean up unused data and functions
Date

Old data structures and I2C functions are not used any more.
Each driver uses the lp55xx common data and functions.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
---
drivers/leds/leds-lp5521.c | 110 --------------------------------------------
drivers/leds/leds-lp5523.c | 35 --------------
2 files changed, 145 deletions(-)

diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 65eaaeb..2132a49 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -125,25 +125,6 @@
#define LP5521_RUN_G 0x08
#define LP5521_RUN_B 0x02

-struct lp5521_led {
- int id;
- u8 chan_nr;
- u8 led_current;
- u8 max_current;
- struct led_classdev cdev;
- struct work_struct brightness_work;
- u8 brightness;
-};
-
-struct lp5521_chip {
- struct lp5521_platform_data *pdata;
- struct mutex lock; /* Serialize control */
- struct i2c_client *client;
- struct lp5521_led leds[LP5521_MAX_LEDS];
- u8 num_channels;
- u8 num_leds;
-};
-
static inline void lp5521_wait_opmode_done(void)
{
/* operation mode change needs to be longer than 153 us */
@@ -163,23 +144,6 @@ static void lp5521_set_led_current(struct lp55xx_led *led, u8 led_current)
led_current);
}

-static inline int lp5521_write(struct i2c_client *client, u8 reg, u8 value)
-{
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static int lp5521_read(struct i2c_client *client, u8 reg, u8 *buf)
-{
- s32 ret;
-
- ret = i2c_smbus_read_byte_data(client, reg);
- if (ret < 0)
- return ret;
-
- *buf = ret;
- return 0;
-}
-
static void lp5521_load_engine(struct lp55xx_chip *chip)
{
enum lp55xx_engine_index idx = chip->engine_idx;
@@ -419,80 +383,6 @@ static ssize_t lp5521_selftest(struct device *dev,
return sprintf(buf, "%s\n", ret ? "FAIL" : "OK");
}

-static void lp5521_clear_program_memory(struct i2c_client *cl)
-{
- int i;
- u8 rgb_mem[] = {
- LP5521_REG_R_PROG_MEM,
- LP5521_REG_G_PROG_MEM,
- LP5521_REG_B_PROG_MEM,
- };
-
- for (i = 0; i < ARRAY_SIZE(rgb_mem); i++) {
- lp5521_write(cl, rgb_mem[i], 0);
- lp5521_write(cl, rgb_mem[i] + 1, 0);
- }
-}
-
-static void lp5521_write_program_memory(struct i2c_client *cl,
- u8 base, u8 *rgb, int size)
-{
- int i;
-
- if (!rgb || size <= 0)
- return;
-
- for (i = 0; i < size; i++)
- lp5521_write(cl, base + i, *(rgb + i));
-
- lp5521_write(cl, base + i, 0);
- lp5521_write(cl, base + i + 1, 0);
-}
-
-static inline struct lp5521_led_pattern *lp5521_get_pattern
- (struct lp5521_chip *chip, u8 offset)
-{
- struct lp5521_led_pattern *ptn;
- ptn = chip->pdata->patterns + (offset - 1);
- return ptn;
-}
-
-static void lp5521_run_led_pattern(int mode, struct lp5521_chip *chip)
-{
- struct lp5521_led_pattern *ptn;
- struct i2c_client *cl = chip->client;
- int num_patterns = chip->pdata->num_patterns;
-
- if (mode > num_patterns || !(chip->pdata->patterns))
- return;
-
- if (mode == PATTERN_OFF) {
- lp5521_write(cl, LP5521_REG_ENABLE, LP5521_ENABLE_DEFAULT);
- usleep_range(1000, 2000);
- lp5521_write(cl, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT);
- } else {
- ptn = lp5521_get_pattern(chip, mode);
- if (!ptn)
- return;
-
- lp5521_write(cl, LP5521_REG_OP_MODE, LP5521_CMD_LOAD);
- usleep_range(1000, 2000);
-
- lp5521_clear_program_memory(cl);
-
- lp5521_write_program_memory(cl, LP5521_REG_R_PROG_MEM,
- ptn->r, ptn->size_r);
- lp5521_write_program_memory(cl, LP5521_REG_G_PROG_MEM,
- ptn->g, ptn->size_g);
- lp5521_write_program_memory(cl, LP5521_REG_B_PROG_MEM,
- ptn->b, ptn->size_b);
-
- lp5521_write(cl, LP5521_REG_OP_MODE, LP5521_CMD_RUN);
- usleep_range(1000, 2000);
- lp5521_write(cl, LP5521_REG_ENABLE, LP5521_ENABLE_RUN_PROGRAM);
- }
-}
-
/* device attributes */
static DEVICE_ATTR(selftest, S_IRUGO, lp5521_selftest, NULL);

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 63dec47..8affd73 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -142,25 +142,6 @@ enum lp5523_chip_id {
LP55231,
};

-struct lp5523_led {
- int id;
- u8 chan_nr;
- u8 led_current;
- u8 max_current;
- struct led_classdev cdev;
- struct work_struct brightness_work;
- u8 brightness;
-};
-
-struct lp5523_chip {
- struct mutex lock; /* Serialize control */
- struct i2c_client *client;
- struct lp5523_led leds[LP5523_MAX_LEDS];
- struct lp5523_platform_data *pdata;
- u8 num_channels;
- u8 num_leds;
-};
-
static inline void lp5523_wait_opmode_done(void)
{
usleep_range(1000, 2000);
@@ -173,22 +154,6 @@ static void lp5523_set_led_current(struct lp55xx_led *led, u8 led_current)
led_current);
}

-static int lp5523_write(struct i2c_client *client, u8 reg, u8 value)
-{
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static int lp5523_read(struct i2c_client *client, u8 reg, u8 *buf)
-{
- s32 ret = i2c_smbus_read_byte_data(client, reg);
-
- if (ret < 0)
- return ret;
-
- *buf = ret;
- return 0;
-}
-
static int lp5523_post_init_device(struct lp55xx_chip *chip)
{
int ret;
--
1.7.9.5

Best Regards,
Milo




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