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authorMilo(Woogyom) Kim <milo.kim@ti.com>2013-02-05 18:57:36 +0900
committerBryan Wu <cooloney@gmail.com>2013-02-06 15:59:27 -0800
commitffbdccdbbaee814963a09d25b1cc598cfe131366 (patch)
treeed487c6e89fb106fd7de798d166ee4342efac85e /drivers/leds/leds-lp5521.c
parente3a700d8aae190e09fb06abe0ddd2e172a682508 (diff)
downloadlinux-ffbdccdbbaee814963a09d25b1cc598cfe131366.tar.bz2
leds-lp55xx: use lp55xx common init function - post int
LP5521/5523 chip configuration is replaced with lp55xx common function, lp55xx_post_init_device(). Name change: lp5521/5523_configure() to lp5521/5523_post_init_device() These are called in init function. Register access function Argument type is changed from 'i2c_client' to 'lp55xx_chip'. Use exported R/W functions of lp55xx common driver. Temporary variables in lp5521/5523_init_device() These functions will be removed but temporary variables are needed for blocking build warnings - incompatible pointer. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'drivers/leds/leds-lp5521.c')
-rw-r--r--drivers/leds/leds-lp5521.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 0e27f7eb5d09..faab44900c23 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -238,11 +238,9 @@ static int lp5521_set_led_current(struct lp5521_chip *chip, int led, u8 curr)
curr);
}
-static int lp5521_configure(struct i2c_client *client)
+static int lp5521_post_init_device(struct lp55xx_chip *chip)
{
- struct lp5521_chip *chip = i2c_get_clientdata(client);
int ret;
- u8 cfg;
u8 val;
/*
@@ -251,13 +249,13 @@ static int lp5521_configure(struct i2c_client *client)
* otherwise further access to the R G B channels in the
* LP5521_REG_ENABLE register will not have any effect - strange!
*/
- ret = lp5521_read(client, LP5521_REG_R_CURRENT, &val);
+ ret = lp55xx_read(chip, LP5521_REG_R_CURRENT, &val);
if (ret) {
- dev_err(&client->dev, "error in resetting chip\n");
+ dev_err(&chip->cl->dev, "error in resetting chip\n");
return ret;
}
if (val != LP5521_REG_R_CURR_DEFAULT) {
- dev_err(&client->dev,
+ dev_err(&chip->cl->dev,
"unexpected data in register (expected 0x%x got 0x%x)\n",
LP5521_REG_R_CURR_DEFAULT, val);
ret = -EINVAL;
@@ -266,22 +264,21 @@ static int lp5521_configure(struct i2c_client *client)
usleep_range(10000, 20000);
/* Set all PWMs to direct control mode */
- ret = lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT);
+ ret = lp55xx_write(chip, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT);
- cfg = chip->pdata->update_config ?
+ val = chip->pdata->update_config ?
: (LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT);
- ret = lp5521_write(client, LP5521_REG_CONFIG, cfg);
+ ret = lp55xx_write(chip, LP5521_REG_CONFIG, val);
if (ret)
return ret;
/* Initialize all channels PWM to zero -> leds off */
- lp5521_write(client, LP5521_REG_R_PWM, 0);
- lp5521_write(client, LP5521_REG_G_PWM, 0);
- lp5521_write(client, LP5521_REG_B_PWM, 0);
+ lp55xx_write(chip, LP5521_REG_R_PWM, 0);
+ lp55xx_write(chip, LP5521_REG_G_PWM, 0);
+ lp55xx_write(chip, LP5521_REG_B_PWM, 0);
/* Set engines are set to run state when OP_MODE enables engines */
- ret = lp5521_write(client, LP5521_REG_ENABLE,
- LP5521_ENABLE_RUN_PROGRAM);
+ ret = lp55xx_write(chip, LP5521_REG_ENABLE, LP5521_ENABLE_RUN_PROGRAM);
if (ret)
return ret;
@@ -696,9 +693,10 @@ static void lp5521_deinit_device(struct lp5521_chip *chip);
static int lp5521_init_device(struct lp5521_chip *chip)
{
struct i2c_client *client = chip->client;
+ struct lp55xx_chip *temp;
int ret;
- ret = lp5521_configure(client);
+ ret = lp5521_post_init_device(temp);
if (ret < 0) {
dev_err(&client->dev, "error configuring chip\n");
goto err_config;
@@ -828,6 +826,7 @@ static struct lp55xx_device_config lp5521_cfg = {
.addr = LP5521_REG_ENABLE,
.val = LP5521_ENABLE_DEFAULT,
},
+ .post_init_device = lp5521_post_init_device,
};
static int lp5521_probe(struct i2c_client *client,