Re: [PATCH v2] RX-51: Add missing max_current to rx51_lp5523_led_config

From: joerg Reisenweber
Date: Mon Sep 23 2013 - 09:34:45 EST


On Mon 23 September 2013 14:50:12 Pali Rohár wrote:
> Hi Tony,
>
> here is new version (v2) of patch which adding max_current values to rx51
> board data. According to joerg safe value for max_current is 100 (10 mA).
>
>
> RX-51: Add missing max_current to rx51_lp5523_led_config
>
> File drivers/leds/leds-lp55xx-common.c refuse to change led_current sysfs
> attribute if value is higher than max_current specified in board file. By
> default global C variables are zero, so changing always failed. This patch
> adding missing max_current and setting it to max safe value 100 (10 mA).
>
> Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx>
> ---
> arch/arm/mach-omap2/board-rx51-peripherals.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c
> b/arch/arm/mach-omap2/board-rx51-peripherals.c index c3270c0..f6fe388
> 100644
> --- a/arch/arm/mach-omap2/board-rx51-peripherals.c
> +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
> @@ -167,38 +167,47 @@ static struct lp55xx_led_config
> rx51_lp5523_led_config[] = { .name = "lp5523:kb1",
> .chan_nr = 0,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:kb2",
> .chan_nr = 1,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:kb3",
> .chan_nr = 2,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:kb4",
> .chan_nr = 3,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:b",
> .chan_nr = 4,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:g",
> .chan_nr = 5,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:r",
> .chan_nr = 6,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:kb5",
> .chan_nr = 7,
> .led_current = 50,
> + .max_current = 100,
> }, {
> .name = "lp5523:kb6",
> .chan_nr = 8,
> .led_current = 50,
> + .max_current = 100,
> }
> };

Reviewed and found logically and technically correct
Signed-off-by: Joerg Reisenweber <joerg AT openmoko DOT org>

/jOERG
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