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This moves the ledbar driver to generic, to be also used by the ramips target.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit 53fc987b25524c28525313347f0e2e5653dce43c)
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The LEDs connected to the MCU are so-called smart LEDs and their signal is
daisy-chained. Because of this, the MCU needs to be told how many LEDs are
connected. It also means the LEDs could be individually controlled, if the MCU
has a command for this.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit 76198e8f09a607c6aca2621f59d7a4cd7f6653e3)
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During GPIO initialization the pin state flips and triggers a reset of
the ledbar MCU. It needs to be moved through an initialization sequence
before working correctly.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit 013a956f086dc5d88f6e9cbd852ed4d900d436e0)
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Some versions of the ledbar MCU have a reset pin. It needs to be
correctly initialized or we might keep the MCU in reset state.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit 84e4bbf5f049cdb862eb25c446bd6973ed4238aa)
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There are commands that return more than one byte of response.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit 7c852e7df50e370b26b060c96c3cc4491cee88eb)
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Or the comparison against a signed char is always true, because the
literal 0xaa is treated as an unsigned int, to which the signed char is
casted during comparison. 0xaa is above the positive values of a signed
char and negative signed char values result in values larger than 0xaa
when casted to unsigned int.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit e9a22ce2535c4a0faf83d5595304fe0e2c7bd1b2)
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The read response is in the i2c_response variable. Also use %hhx format,
because we're dealing with a single char.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit c4f9f9b44c82ffeacd9d3c00ba07171c35831337)
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It's already set to output with GPIOD_OUT_LOW.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit a188356484f434c72ea536d91d7f93f59c562eb5)
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The polarity of the signal is set in the device dts.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
(cherry picked from commit 56c2d15587dfe5285f1cf3bfb236c827bc446465)
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When adding Kernel 5.10 support, the kernel configuration did not
include the LED driver required for the UniFi 6 LR. Also the actual
driver source went missing.
Fixes commit c46ccb69d17e ("mediatek: mt7622: add Linux 5.10 support")
Signed-off-by: David Bauer <mail@david-bauer.net>
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