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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 09:29:02 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 09:29:02 -0800 |
commit | 0512c04a2b5d29a33d96d315e1d14c55f5148aa7 (patch) | |
tree | 6373c0370abe32e1e42a933bd9cd08727e48b5d9 /Documentation/leds/leds-lp5523.txt | |
parent | 5115f3c19d17851aaff5a857f55b4a019c908775 (diff) | |
parent | 4b07c5d5123f76487c61cf9dc3f987d0b8c88a94 (diff) |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem update from Bryan Wu.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (61 commits)
leds: leds-sunfire: use dev_err()/pr_err() instead of printk()
leds: 88pm860x: Add missing of_node_put()
leds: tca6507: Use of_get_child_count()
leds: leds-pwm: make it depend on PWM and not HAVE_PWM
Documentation: leds: update LP55xx family devices
leds-lp55xx: fix problem on removing LED attributes
leds-lp5521/5523: add author and copyright description
leds-lp5521/5523: use new lp55xx common header
leds-lp55xx: clean up headers
leds-lp55xx: clean up definitions
leds-lp55xx: clean up unused data and functions
leds-lp55xx: clean up _remove()
leds-lp55xx: add new function for removing device attribtues
leds-lp55xx: code refactoring on selftest function
leds-lp55xx: use common device attribute driver function
leds-lp55xx: support device specific attributes
leds-lp5523: use generic firmware interface
leds-lp5521: use generic firmware interface
leds-lp55xx: support firmware interface
leds-lp55xx: add new lp55xx_register_sysfs() for the firmware interface
...
Diffstat (limited to 'Documentation/leds/leds-lp5523.txt')
-rw-r--r-- | Documentation/leds/leds-lp5523.txt | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/Documentation/leds/leds-lp5523.txt b/Documentation/leds/leds-lp5523.txt index c2743f59f9a..899fdad509f 100644 --- a/Documentation/leds/leds-lp5523.txt +++ b/Documentation/leds/leds-lp5523.txt @@ -27,25 +27,8 @@ c) Default If both fields are NULL, 'lp5523' is used by default. /sys/class/leds/lp5523:channelN (N: 0 ~ 8) -The chip provides 3 engines. Each engine can control channels without -interaction from the main CPU. Details of the micro engine code can be found -from the public data sheet. Leds can be muxed to different channels. - -Control interface for the engines: -x is 1 .. 3 -enginex_mode : disabled, load, run -enginex_load : microcode load (visible only in load mode) -enginex_leds : led mux control (visible only in load mode) - -cd /sys/class/leds/lp5523:channel2/device -echo "load" > engine3_mode -echo "9d80400004ff05ff437f0000" > engine3_load -echo "111111111" > engine3_leds -echo "run" > engine3_mode - -sysfs contains a selftest entry. It measures each channel -voltage level and checks if it looks reasonable. If the level is too high, -the led is missing; if the level is too low, there is a short circuit. +LP5523 has the internal program memory for running various LED patterns. +For the details, please refer to 'firmware' section in leds-lp55xx.txt Selftest uses always the current from the platform data. @@ -58,7 +41,7 @@ Example platform data: Note - chan_nr can have values between 0 and 8. -static struct lp5523_led_config lp5523_led_config[] = { +static struct lp55xx_led_config lp5523_led_config[] = { { .name = "D1", .chan_nr = 0, @@ -88,10 +71,10 @@ static void lp5523_enable(bool state) /* Control chip enable signal */ } -static struct lp5523_platform_data lp5523_platform_data = { +static struct lp55xx_platform_data lp5523_platform_data = { .led_config = lp5523_led_config, .num_channels = ARRAY_SIZE(lp5523_led_config), - .clock_mode = LP5523_CLOCK_EXT, + .clock_mode = LP55XX_CLOCK_EXT, .setup_resources = lp5523_setup, .release_resources = lp5523_release, .enable = lp5523_enable, |