On Fri, 07 Jun 2013, Adam Lee wrote:
> Some new Lenovo or ThinkPad laptops don't have EC controllable LEDs,
> their LED quirks are 0. This patch set led_supported=TPACPI_LED_NONE
> when quirk equals 0.
>
> Signed-off-by: Adam Lee <adam....@canonical.com>
Acked-by: Henrique de Moraes Holschuh <h...@hmh.eng.br>
> ---
> drivers/platform/x86/thinkpad_acpi.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/platform/x86/thinkpad_acpi.c
> b/drivers/platform/x86/thinkpad_acpi.c
> index bea57ae..2fb1f1c 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -5327,6 +5327,16 @@ static int __init led_init(struct ibm_init_struct
> *iibm)
>
> led_supported = led_init_detect_mode();
>
> + if (led_supported != TPACPI_LED_NONE) {
> + useful_leds = tpacpi_check_quirks(led_useful_qtable,
> + ARRAY_SIZE(led_useful_qtable));
> +
> + if (!useful_leds) {
> + led_handle = NULL;
> + led_supported = TPACPI_LED_NONE;
> + }
> + }
> +
> vdbg_printk(TPACPI_DBG_INIT, "LED commands are %s, mode %d\n",
> str_supported(led_supported), led_supported);
>
> @@ -5340,9 +5350,6 @@ static int __init led_init(struct ibm_init_struct *iibm)
> return -ENOMEM;
> }
>
> - useful_leds = tpacpi_check_quirks(led_useful_qtable,
> - ARRAY_SIZE(led_useful_qtable));
> -
> for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
> if (!tpacpi_is_led_restricted(i) &&
> test_bit(i, &useful_leds)) {
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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