diff mbox series

[2/4] backlight: lm3630a: Don't set bl->props.brightness in get_brightness

Message ID 20240220-lm3630a-fixups-v1-2-9ca62f7e4a33@z3ntu.xyz
State Accepted
Commit 4bf7ddd2d2f0f8826f25f74c7eba4e2c323a1446
Headers show
Series Various fixes for the lm3630a backlight driver | expand

Commit Message

Luca Weiss Feb. 19, 2024, 11:11 p.m. UTC 
There's no need to set bl->props.brightness, the get_brightness function
is just supposed to return the current brightness and not touch the
struct.

With that done we can also remove the 'goto out' and just return the
value.

Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
---
 drivers/video/backlight/lm3630a_bl.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

Comments

Daniel Thompson Feb. 20, 2024, 2:03 p.m. UTC | #1 
On Tue, Feb 20, 2024 at 12:11:20AM +0100, Luca Weiss wrote:
> There's no need to set bl->props.brightness, the get_brightness function
> is just supposed to return the current brightness and not touch the
> struct.
>
> With that done we can also remove the 'goto out' and just return the
> value.
>
> Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip")
> Signed-off-by: Luca Weiss <luca@z3ntu.xyz>

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>


Daniel.
diff mbox series

Patch

diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 8e275275b808..26ff4178cc16 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -233,7 +233,7 @@  static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
 		if (rval < 0)
 			goto out_i2c_err;
 		brightness |= rval;
-		goto out;
+		return brightness;
 	}
 
 	/* disable sleep */
@@ -244,11 +244,8 @@  static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
 	rval = lm3630a_read(pchip, REG_BRT_A);
 	if (rval < 0)
 		goto out_i2c_err;
-	brightness = rval;
+	return rval;
 
-out:
-	bl->props.brightness = brightness;
-	return bl->props.brightness;
 out_i2c_err:
 	dev_err(pchip->dev, "i2c failed to access register\n");
 	return 0;
@@ -310,7 +307,7 @@  static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
 		if (rval < 0)
 			goto out_i2c_err;
 		brightness |= rval;
-		goto out;
+		return brightness;
 	}
 
 	/* disable sleep */
@@ -321,11 +318,8 @@  static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
 	rval = lm3630a_read(pchip, REG_BRT_B);
 	if (rval < 0)
 		goto out_i2c_err;
-	brightness = rval;
+	return rval;
 
-out:
-	bl->props.brightness = brightness;
-	return bl->props.brightness;
 out_i2c_err:
 	dev_err(pchip->dev, "i2c failed to access register\n");
 	return 0;