[RESEND PATCH v3 3/4] as3645a: Use integer numbers for parsing LEDs

[Sakari Ailus]

Use integer numbers for LEDs, 0 is the flash and 1 is the indicator.

Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Acked-by: Pavel Machek <pa...@ucw.cz>
Acked-by: Jacek Anaszewski <jacek.anaszew...@gmail.com>
---
 arch/arm/boot/dts/omap3-n950-n9.dtsi |  8 ++++++--
 drivers/leds/leds-as3645a.c          | 26 ++++++++++++++++++++++++--
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi 
b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index b86fc83a5a65..1b0bd72945f2 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -267,15 +267,19 @@
        clock-frequency = <400000>;
 
        as3645a@30 {
+               #address-cells = <1>;
+               #size-cells = <0>;
                reg = <0x30>;
                compatible = "ams,as3645a";
-               flash {
+               flash@0 {
+                       reg = <0x0>;
                        flash-timeout-us = <150000>;
                        flash-max-microamp = <320000>;
                        led-max-microamp = <60000>;
                        ams,input-max-microamp = <1750000>;
                };
-               indicator {
+               indicator@1 {
+                       reg = <0x1>;
                        led-max-microamp = <10000>;
                };
        };
diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index e3f89c6130d2..605e0c64e974 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -112,6 +112,10 @@
 #define AS_PEAK_mA_TO_REG(a) \
        ((min_t(u32, AS_PEAK_mA_MAX, a) - 1250) / 250)
 
+/* LED numbers for Devicetree */
+#define AS_LED_FLASH                           0
+#define AS_LED_INDICATOR                       1
+
 enum as_mode {
        AS_MODE_EXT_TORCH = 0 << AS_CONTROL_MODE_SETTING_SHIFT,
        AS_MODE_INDICATOR = 1 << AS_CONTROL_MODE_SETTING_SHIFT,
@@ -491,10 +495,29 @@ static int as3645a_parse_node(struct as3645a *flash,
                              struct device_node *node)
 {
        struct as3645a_config *cfg = &flash->cfg;
+       struct device_node *child;
        const char *name;
        int rval;
 
-       flash->flash_node = of_get_child_by_name(node, "flash");
+       for_each_child_of_node(node, child) {
+               u32 id = 0;
+
+               of_property_read_u32(child, "reg", &id);
+
+               switch (id) {
+               case AS_LED_FLASH:
+                       flash->flash_node = of_node_get(child);
+                       break;
+               case AS_LED_INDICATOR:
+                       flash->indicator_node = of_node_get(child);
+                       break;
+               default:
+                       dev_warn(&flash->client->dev,
+                                "unknown LED %u encountered, ignoring\n", id);
+                       break;
+               }
+       }
+
        if (!flash->flash_node) {
                dev_err(&flash->client->dev, "can't find flash node\n");
                return -ENODEV;
@@ -538,7 +561,6 @@ static int as3645a_parse_node(struct as3645a *flash,
                             &cfg->peak);
        cfg->peak = AS_PEAK_mA_TO_REG(cfg->peak);
 
-       flash->indicator_node = of_get_child_by_name(node, "indicator");
        if (!flash->indicator_node) {
                dev_warn(&flash->client->dev,
                         "can't find indicator node\n");
-- 
2.11.0