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greybus: kernel_ver: add handle for lights in 4.5

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In v4.5 the LED API is changed related to the set brightness
operations, set_sync is removed and the workqueue handling is now done
by leds core, so no need for individual drivers to have one.
This will be done by removing the SET_SYNC macro and add a new
SET_BLOCKING.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Rui Miguel Silva
2016-01-12 14:35:48 +00:00
committed by Greg Kroah-Hartman
parent de14131449
commit b827e1137c
1 changed files with 9 additions and 0 deletions
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drivers/staging/greybus/kernel_ver.h
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@@ -267,6 +267,15 @@ static inline size_t sg_pcopy_from_buffer(struct scatterlist *sgl,
#include <linux/led-class-flash.h>
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
/*
* New change in LED api, the set_sync operation was renamed to set_blocking and
* the workqueue is now handle by core. So, only one set operation is need.
*/
#undef LED_HAVE_SET_SYNC
#define LED_HAVE_SET_BLOCKING
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
/*
* From this version upper it was introduced the possibility to disable led