[openwrt/openwrt] kernel: package industrialio-buffer-cb driver

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch openwrt-24.10:
https://git.openwrt.org/27afd9e1ca662724839577cf0815805d6a3971d3

commit 27afd9e1ca662724839577cf0815805d6a3971d3
Author: Thomas Richard <thomas.richard at bootlin.com>
AuthorDate: Tue Nov 5 10:39:47 2024 +0100

    kernel: package industrialio-buffer-cb driver
    
    It is needed for the stm32/stm32mp1 subtarget.
    
    Signed-off-by: Thomas Richard <thomas.richard at bootlin.com>
    Link: https://github.com/openwrt/openwrt/pull/16716
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
    (cherry picked from commit b0adf5e0fdc0d4b449bced9191a95bf08124c1ac)
    Link: https://github.com/openwrt/openwrt/pull/17097
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 package/kernel/linux/modules/iio.mk | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/package/kernel/linux/modules/iio.mk b/package/kernel/linux/modules/iio.mk
index b9bcaad5b2..e98a6830da 100644
--- a/package/kernel/linux/modules/iio.mk
+++ b/package/kernel/linux/modules/iio.mk
@@ -63,6 +63,21 @@ endef
 $(eval $(call KernelPackage,industrialio-hw-consumer))
 
 
+define KernelPackage/industrialio-buffer-cb
+  TITLE:=Provides callback buffer used for push in-kernel interfaces
+  KCONFIG:=CONFIG_IIO_BUFFER_CB
+  FILES:=$(LINUX_DIR)/drivers/iio/buffer/industrialio-buffer-cb.ko
+  AUTOLOAD:=$(call AutoLoad,55,industrialio-triggered-buffer-cb)
+  $(call AddDepends/iio)
+endef
+
+define KernelPackage/industrialio-buffer-cb/description
+ Should be selected by any drivers that do in-kernel push usage.
+endef
+
+$(eval $(call KernelPackage,industrialio-buffer-cb))
+
+
 define KernelPackage/industrialio-triggered-buffer
   TITLE:=Provides helper functions for setting up triggered buffers.
   DEPENDS:=+kmod-iio-kfifo-buf