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authorMark A. Greer <mgreer@animalcreek.com>2013-07-25 21:16:41 +0400
committerBryan Wu <cooloney@gmail.com>2013-08-27 04:22:10 +0400
commit8465b01827b7a1e0e2464b0a300618bf7add25d8 (patch)
treea06c6620291ab5a0a8e9eb7e5507e9d089ba7139 /include/linux/tpm.h
parent33b3a561f417ec3e1013999ce8bdb6c055abb1ce (diff)
downloadlinux-8465b01827b7a1e0e2464b0a300618bf7add25d8.tar.xz
leds: pca9633: Add hardware blink support
Add hardware blinking support to the pca9633 driver. NOTE: Hardware blinking violates the leds infrastructure driver interface since the hardware only supports blinking all LEDs with the same delay_on/delay_off rates. That is, only the LEDs that are set to blink will actually blink but all LEDs that are set to blink will blink in identical fashion. The delay_on/delay_off values of the last LED that is set to blink will be used for all of the blinking LEDs. If the hardware doesn't support the requested blinking pattern, a default of 500ms on and off will be used. Hardware blinking is disabled by default but can be enabled by setting the 'blink_type' member in the platform_data struct to 'PCA9633_HW_BLINK' or by adding the 'nxp,hw-blink' property to the DTS. (fengguang.wu@intel.com: Removes unneeded semicolon.) Signed-off-by: Mark A. Greer <mgreer@animalcreek.com> Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'include/linux/tpm.h')
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