Thread (14 messages) flat view 14 messages, 3 authors, 2021-04-23

Re: [PATCH v6 4/4] backlight: rt4831: Adds support for Richtek RT4831 backlight

From: Daniel Thompson <hidden>
Date: 2021-03-29 10:27:13
Also in: dri-devel, lkml

On Sun, Mar 28, 2021 at 11:24:19PM +0800, cy_huang wrote:
quoted hunk ↗ jump to hunk
From: ChiYuan Huang <redacted>

Adds support for Richtek RT4831 backlight.

Signed-off-by: ChiYuan Huang <redacted>
---
since v6
- Fix Kconfig typo.
- Remove internal mutex lock.
- Add the prefix for max brightness.
- rename init_device_properties to parse_backlight_properties.
- Remove some warning message if default value is adopted.
- Add backlight property scale to LINEAR mapping.
- Fix regmap get to check NULL not IS_ERR.
---
 drivers/video/backlight/Kconfig            |   8 ++
 drivers/video/backlight/Makefile           |   1 +
 drivers/video/backlight/rt4831-backlight.c | 203 +++++++++++++++++++++++++++++
 3 files changed, 212 insertions(+)
 create mode 100644 drivers/video/backlight/rt4831-backlight.c
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index d83c87b..de96441 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -289,6 +289,14 @@ config BACKLIGHT_QCOM_WLED
 	  If you have the Qualcomm PMIC, say Y to enable a driver for the
 	  WLED block. Currently it supports PM8941 and PMI8998.
 
+config BACKLIGHT_RT4831
+	tristate "Richtek RT4831 Backlight Driver"
+	depends on MFD_RT4831
+	help
+	  This enables support for Richtek RT4831 Backlight driver.
+	  It's common used to drive the display WLED. There're four channels
Nitpicking but I was expecting the original typo be converted to
"commonly".


With that addressed:
Reviewed-by: Daniel Thompson <redacted>


Daniel.
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