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Revert "leds-pca955x: Remove the unused function pca95xx_num_led_regs()"

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This reverts commit 38bcb51f81.

This function is needed by the hardware blink support just introduced.
Also rename the function to pca955x_num_led_regs() to match the rest of
the functions in the driver.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20250221155144.2109806-1-eajames@linux.ibm.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Eddie James 2025-02-21 09:51:44 -06:00 • committed by Lee Jones
parent 2f372a5dce
commit 012825dbd5
1 changed files with 6 additions and 0 deletions
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6
drivers/leds/leds-pca955x.c
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@ -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).