kernel: drm/v3d: create a dedicated lock for dma fence

See: raspberrypi/linux#7112

kernel: misc: ws2812-pio-rp1: Allow gamma to be disabled
See: raspberrypi/linux#7110

kernel: Add AD799X ADC support
See: raspberrypi/linux#7105

Author: popcornmix

boot/kernel.img

@@ -2421,16 +2421,40 @@ Name:   i2c-sensor
 Info:   Adds support for a number of I2C barometric pressure, temperature,
         light level and chemical sensors on i2c_arm
 Load:   dtoverlay=i2c-sensor,<param>=<val>
-Params: addr                    Set the address for the ADS7828, ADS7830,
-                                ADT7410, AS73211, AS7331, BH1750, BME280,
-                                BME680, BMP280, BMP380, BMP58x, CCS811, DS1621,
-                                HDC100X, HDC3020, JC42, LM75, MCP980x,
+Params: addr                    Set the address for the AD799X, ADS7828,
+                                ADS7830, ADT7410, AS73211, AS7331, BH1750,
+                                BME280, BME680, BMP280, BMP380, BMP58x, CCS811,
+                                DS1621, HDC100X, HDC3020, JC42, LM75, MCP980x,
                                 MPU6050, MPU9250, MS5637, MS5803, MS5805,
                                 MS5837, MS8607, SHT3x, TMP102 or VEML6030.
 
         i2c-bus                 Supports all the standard I2C bus selection
                                 parameters - see "dtoverlay -h i2c-bus"
 
+        ad7991                  Select the Analog Devices AD7991 ADC
+                                Valid addresses 0x28-0x29, default 0x28
+
+        ad7992                  Select the Analog Devices AD7992 ADC
+                                Valid addresses 0x20-0x24, default 0x20
+
+        ad7993                  Select the Analog Devices AD7993 ADC
+                                Valid addresses 0x20-0x24, default 0x20
+
+        ad7994                  Select the Analog Devices AD7994 ADC
+                                Valid addresses 0x20-0x24, default 0x20
+
+        ad7995                  Select the Analog Devices AD7995 ADC
+                                Valid addresses 0x28-0x29, default 0x28
+
+        ad7997                  Select the Analog Devices AD7997 ADC
+                                Valid addresses 0x20-0x24, default 0x20
+
+        ad7998                  Select the Analog Devices AD7998 ADC
+                                Valid addresses 0x20-0x24, default 0x20
+
+        ad7999                  Select the Analog Devices AD7999 ADC
+                                Valid address 0x29 (the default)
+
         ads7828                 Select the TI ADS7828 50kHz 8-channel 12bit ADC
                                 Valid addresses 0x48-0x4b, default 0x48
 
@@ -5956,8 +5980,10 @@ Params: brightness              Set the initial brightness for the LEDs. The
                                 a single byte to offset 0 of the device. Note
                                 that brightness is a multiplier for the pixel
                                 values, and only white pixels can reach the
-                                maximum visible brightness. (range 0-255,
-                                default 255)
+                                maximum visible brightness. N.B. Setting
+                                brightness to 0 acctivates pass-through mode,
+                                disabling all brightness and gamma processing.
+                                (range 0-255, default 255)
         dev_name                The name for the /dev/ device entry. Note that
                                 if the name includes '%d' it will be replaced
                                 by the instance number. (default 'leds%d')

boot/kernel7.img

@@ -1 +1 @@
-4473946f4e2703ec2d07835a18e34b3bf7f3625d
+09fb2c6f4093fd572897159a2b85c780cd7a160d

boot/kernel7l.img

@@ -1 +1 @@
-Linux version 6.12.55+ (dom@buildbot) (arm-linux-gnueabihf-gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #1915 Fri Oct 24 11:42:23 BST 2025
+Linux version 6.12.55+ (dom@buildbot) (arm-linux-gnueabihf-gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #1916 Tue Oct 28 14:03:08 GMT 2025