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Alper Nebi Yasak fefa713b18 video: backlight: Support PWMs without a known period_ns 
The PWM device provided by Chrome OS EC doesn't really support anything
other than setting a relative duty cycle. To support it as a backlight,
this patch makes the PWM period optional in the device tree and pretends
the valid brightness range is its period_ns.

Also adds a sandbox test for a PWM channel that has a fixed period,
checking that the resulting duty_cycle matches on a set_config() even if
the requested period_ns can't be set.

Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-04-10 16:07:12 +02:00
..
acpi_dp.c
dm: acpi: Use correct GPIO polarity type in acpi_dp_add_gpio()
2020-09-25 11:27:14 +08:00
acpi.c
test: acpi: Fix warnings on 32-bit build
2021-03-13 13:14:52 -05:00
acpi.h
acpi: Support generation of a scope
2020-07-17 14:32:24 +08:00
acpigen.c
acpi: Add more support for generating processor tables
2020-09-25 11:27:18 +08:00
adc.c
dm: treewide: Rename 'platdata' variables to just 'plat'
2020-12-13 16:51:08 -07:00
audio.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
axi.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
blk.c
common: Drop asm/global_data.h from common header
2021-02-02 15:33:42 -05:00
bootcount.c
i2c: eeprom: Use reg property instead of offset and size
2020-08-20 09:49:20 +02:00
bus.c
common: Drop asm/global_data.h from common header
2021-02-02 15:33:42 -05:00
button.c
test: add a simple test for the adc-keys button driver
2021-02-18 11:37:26 +01:00
cache.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
clk_ccf.c
clk: do not disable clock if it is critical
2020-09-22 11:27:18 +03:00
clk.c
clk: add clk_round_rate()
2021-01-12 10:58:04 +05:30
core.c
test: Drop struct dm_test_state
2021-03-12 09:57:30 -05:00
cpu.c
dm: core: Access device flags through functions
2021-01-05 12:24:41 -07:00
cros_ec.c
cros_ec: Add vstore support
2021-01-30 14:25:41 -07:00
devres.c
dm: treewide: Rename ofdata_to_platdata() to of_to_plat()
2020-12-13 16:51:09 -07:00
dma.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
dsi_host.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
eth.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
fastboot.c
fastboot: Allow u-boot-style partitions
2021-02-26 15:30:55 +01:00
fdtdec.c
common: Drop asm/global_data.h from common header
2021-02-02 15:33:42 -05:00
firmware.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
gpio.c
gpio: Add a way to read 3-way strapping pins
2021-03-03 15:40:47 -05:00
hwspinlock.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
i2c.c
dm: test: Drop assumptions of no sequence numbers
2020-12-18 20:32:21 -07:00
i2s.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
irq.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
k210_pll.c
clk: Add K210 pll support
2020-07-01 15:01:21 +08:00
Kconfig
test: Move the unit tests to their own menu
2015-05-21 09:16:17 -04:00
led.c
test: dm: Test for default led naming
2020-10-08 11:42:36 -04:00
mailbox.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
Makefile
test: Rename test-main.c to test-dm.c
2021-03-12 09:57:29 -05:00
mdio_mux.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
mdio.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
misc.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
mmc.c
mmc: sandbox: Add support for writing
2021-02-26 15:30:55 +01:00
mux-cmd.c
test: mux-cmd: Add tests for the 'mux' command
2020-10-28 11:49:31 -04:00
mux-emul.c
common: Drop asm/global_data.h from common header
2021-02-02 15:33:42 -05:00
mux-mmio.c
test: Add tests for the multiplexer framework
2020-10-28 11:49:31 -04:00
nop.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
of_extra.c
dm: core: Update ofnode_read_fmap_entry() to read hashes
2021-01-30 14:25:42 -07:00
of_platdata.c
dm: core: Create a struct for device runtime info
2021-03-26 17:03:09 +13:00
ofnode.c
dm: core: Add a livetree function to check node status
2020-12-13 07:58:18 -07:00
ofread.c
dm: treewide: Rename 'platdata' variables to just 'plat'
2020-12-13 16:51:08 -07:00
osd.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
p2sb.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
panel.c
video: backlight: fix pwm's duty cycle calculation
2020-10-18 15:07:33 +02:00
pch.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
pci_ep.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
pci.c
dm: core: Use dev_has_ofnode() instead of dev_of_valid()
2021-01-05 12:24:41 -07:00
phy.c
sandbox: dts: Add compatible string for bind-test node
2020-08-22 07:58:39 -06:00
phys2bus.c
dm: test: Add test case for dev_phys_to_bus()/dev_bus_to_phys()
2021-02-18 11:56:25 +01:00
pinmux.c
test: pinmux: Add test for pin muxing
2020-10-08 11:42:36 -04:00
pmc.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
pmic.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
power-domain.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
pwm.c
video: backlight: Support PWMs without a known period_ns
2021-04-10 16:07:12 +02:00
ram.c
common: Drop asm/global_data.h from common header
2021-02-02 15:33:42 -05:00
read.c
dm: test: Add test case for dev_get_dma_ranges()
2021-02-18 11:56:25 +01:00
regmap.c
dm: treewide: Rename auto_alloc_size members to be shorter
2020-12-13 08:00:25 -07:00
regulator.c
dm: treewide: Rename 'platdata' variables to just 'plat'
2020-12-13 16:51:08 -07:00
remoteproc.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
reset.c
test: reset: Add tests for the managed API
2020-09-30 11:55:22 -04:00
rng.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
rtc.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
scmi.c
firmware: smci: sandbox test for SCMI reset controllers
2020-09-30 11:55:24 -04:00
serial.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
sf.c
sf: Support querying write-protect
2021-03-27 15:04:31 +13:00
simple-pm-bus.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
smem.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
soc.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
sound.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
spi.c
test: dm: spi: Add testcase for spi_claim_bus()
2020-12-22 20:39:26 -07:00
spmi.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
syscon-reset.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
syscon.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00
sysinfo.c
board: Rename uclass to sysinfo
2020-11-06 10:18:20 +08:00
sysreset.c
test: adjust sysreset tests
2020-11-05 09:11:30 -07:00
tee.c
test: dm: tee: extend with RPC test
2021-02-16 11:48:20 -05:00
test-dm.c
test: Allow SPL to run any available test
2021-03-12 09:57:31 -05:00
test-driver.c
test: Use a local variable for test state
2021-03-12 09:57:30 -05:00
test-fdt.c
dtoc: Assign a sequence number to each node
2021-03-22 19:23:27 +13:00
test-uclass.c
test: Use a local variable for test state
2021-03-12 09:57:30 -05:00
timer.c
timer: Add a test for timer_timebase_fallback
2020-09-30 08:54:45 +08:00
usb.c
common: rename getc() to getchar()
2020-10-22 09:54:53 -04:00
video.c
dm: treewide: Rename dev_get_platdata() to dev_get_plat()
2020-12-13 16:51:09 -07:00
virtio.c
dm: core: Avoid partially removing devices
2021-02-03 03:38:41 -07:00
wdt.c
dm: Rename DM test flags to make them more generic
2020-08-07 22:31:32 -04:00