diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lm3697.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/leds/leds-lm3697.c b/drivers/leds/leds-lm3697.c index 64c0794801e6..7d216cdb91a8 100644 --- a/drivers/leds/leds-lm3697.c +++ b/drivers/leds/leds-lm3697.c @@ -78,6 +78,7 @@ struct lm3697 { struct mutex lock; int bank_cfg; + int num_banks; struct lm3697_led leds[]; }; @@ -180,7 +181,7 @@ static int lm3697_init(struct lm3697 *priv) if (ret) dev_err(dev, "Cannot write OUTPUT config\n"); - for (i = 0; i < LM3697_MAX_CONTROL_BANKS; i++) { + for (i = 0; i < priv->num_banks; i++) { led = &priv->leds[i]; ret = ti_lmu_common_set_ramp(&led->lmu_data); if (ret) @@ -301,8 +302,8 @@ static int lm3697_probe(struct i2c_client *client, int ret; count = device_get_child_node_count(dev); - if (!count) { - dev_err(dev, "LEDs are not defined in device tree!"); + if (!count || count > LM3697_MAX_CONTROL_BANKS) { + dev_err(dev, "Strange device tree!"); return -ENODEV; } @@ -315,6 +316,7 @@ static int lm3697_probe(struct i2c_client *client, led->client = client; led->dev = dev; + led->num_banks = count; led->regmap = devm_regmap_init_i2c(client, &lm3697_regmap_config); if (IS_ERR(led->regmap)) { ret = PTR_ERR(led->regmap); |