diff options
| author | Adam Lee | 2013-06-07 16:20:08 +0800 |
|---|---|---|
| committer | Matthew Garrett | 2013-09-05 08:51:24 -0400 |
| commit | fcb44e12d38a18f99d22ff66e739bb2f2ac762f0 (patch) | |
| tree | efe9105ff47d890dc7d8a3081a52ca528189e8d4 | |
| parent | edf2d7780da5d96a168da7e31b36fb11620106d3 (diff) | |
thinkpad_acpi: add the ability setting TPACPI_LED_NONE by quirk
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.lee@canonical.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 359c87b3b1b2..03ca6c139f1a 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -5296,6 +5296,16 @@ 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); @@ -5309,9 +5319,6 @@ 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++) { tpacpi_leds[i].led = -1; |