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-rw-r--r--drivers/leds/leds-pca955x.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index 156649e1e1c4..e9cfde9fe4b1 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -147,6 +147,12 @@ static inline int pca955x_num_input_regs(int bits)
return (bits + 7) / 8;
}
+/* 4 bits per LED selector register */
+static inline int pca955x_num_led_regs(int bits)
+{
+ return (bits + 3) / 4;
+}
+
/*
* Return an LED selector register value based on an existing one, with
* the appropriate 2-bit state value set for the given LED number (0-3).