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Diffstat (limited to 'include/linux/led-lm3530.h')
-rw-r--r--include/linux/led-lm3530.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/led-lm3530.h b/include/linux/led-lm3530.h
index 8eb12357a11..2794e3b9e1d 100644
--- a/include/linux/led-lm3530.h
+++ b/include/linux/led-lm3530.h
@@ -58,6 +58,12 @@
#define LM3530_ALS_IMPD_700Ohm (0x0E)
#define LM3530_ALS_IMPD_667Ohm (0x0F)
+/*
+ * If lm3530 does not use a gpio for HWEN, set LM3530_NO_HWEN_GPIO
+ * for hw_en_gpio in lm3530_platform data member
+ */
+#define LM3530_NO_HWEN_GPIO -1
+
enum lm3530_mode {
LM3530_BL_MODE_MANUAL = 0, /* "man" */
LM3530_BL_MODE_ALS, /* "als" */
@@ -87,6 +93,7 @@ enum lm3530_als_mode {
* @als_vmin: als input voltage calibrated for max brightness in mV
* @als_vmax: als input voltage calibrated for min brightness in mV
* @brt_val: brightness value (0-255)
+ * @hw_en_gpio: GPIO line for LM3530 HWEN
*/
struct lm3530_platform_data {
enum lm3530_mode mode;
@@ -107,6 +114,8 @@ struct lm3530_platform_data {
u32 als_vmax;
u8 brt_val;
+
+ int hw_en_gpio;
};
#endif /* _LINUX_LED_LM3530_H__ */