From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ike Panhc Subject: [PATCH] asus-laptop: add Lenovo SL LenovoCare LED support Date: Tue, 8 Dec 2009 15:26:09 +0800 Message-ID: <1260257169-7227-1-git-send-email-ike.pan@canonical.com> Return-path: Received: from adelie.canonical.com ([91.189.90.139]:34704 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751832AbZLHH0J (ORCPT ); Tue, 8 Dec 2009 02:26:09 -0500 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, acpi4asus-user@lists.sourceforge.net Cc: Corentin Chary , Alexandre Rostovtsev From: Ike Panhc This patch is to enable the LenovoCare LED support on Lenovo SL laptop. Based on the found of the control interface by Alexandre Rostovtsev Turn on the LenovoCare LED: (As root privileges) echo 1 > /sys/class/leds/asus\:\:LenovoCare/brightness Trun off the LenovoCare LED: (As root privileges) echo 0 > /sys/class/leds/asus\:\:LenovoCare/brightness The patch against current checkout of acpi4asus is below. Signed-off-by: Ike Panhc --- drivers/platform/x86/asus-laptop.c | 21 ++++++++++++++++++--- 1 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 3348cc6..f3c52b6 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -87,6 +87,7 @@ #define LCD_ON 0x80 /* LCD backlight */ #define GPS_ON 0x100 /* GPS */ #define KEY_ON 0x200 /* Keyboard backlight */ +#define LLED_ON 0x400 /* Lenovo SL: LenovoCare LED */ #define ASUS_LOG ASUS_HOTK_FILE ": " #define ASUS_ERR KERN_ERR ASUS_LOG @@ -123,6 +124,7 @@ ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ +ASUS_HANDLE(lled_set, "\\_SB_.PCI0.SBRG.EC0_.HKEY.TVLS"); /* LenovoCare */ /* LEDD */ ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); @@ -285,6 +287,7 @@ ASUS_LED(rled, "record", 1); ASUS_LED(pled, "phone", 1); ASUS_LED(gled, "gaming", 1); ASUS_LED(kled, "kbd_backlight", 3); +ASUS_LED(lled, "LenovoCare", 1); struct key_entry { char type; @@ -419,6 +422,9 @@ static void write_status(acpi_handle handle, int out, int mask) handle = (out) ? gps_on_handle : gps_off_handle; out = 0x02; break; + case LLED_ON: + out = (out & 0x1) * 0xFF; + break; default: out &= 0x1; break; @@ -452,6 +458,7 @@ ASUS_LED_HANDLER(pled, PLED_ON); ASUS_LED_HANDLER(rled, RLED_ON); ASUS_LED_HANDLER(tled, TLED_ON); ASUS_LED_HANDLER(gled, GLED_ON); +ASUS_LED_HANDLER(lled, LLED_ON); /* * Keyboard backlight @@ -1146,6 +1153,7 @@ static int asus_hotk_get_info(void) ASUS_HANDLE_INIT(rled_set); ASUS_HANDLE_INIT(pled_set); ASUS_HANDLE_INIT(gled_set); + ASUS_HANDLE_INIT(lled_set); ASUS_HANDLE_INIT(ledd_set); @@ -1338,6 +1346,7 @@ static void asus_led_exit(void) ASUS_LED_UNREGISTER(rled); ASUS_LED_UNREGISTER(gled); ASUS_LED_UNREGISTER(kled); + ASUS_LED_UNREGISTER(lled); } static void asus_input_exit(void) @@ -1417,19 +1426,25 @@ static int asus_led_init(struct device *dev) if (rv) goto out4; + rv = ASUS_LED_REGISTER(lled, dev); + if (rv) + goto out5; + if (kled_set_handle && kled_get_handle) rv = ASUS_LED_REGISTER(kled, dev); if (rv) - goto out5; + goto out6; led_workqueue = create_singlethread_workqueue("led_workqueue"); if (!led_workqueue) - goto out6; + goto out7; return 0; -out6: +out7: rv = -ENOMEM; ASUS_LED_UNREGISTER(kled); +out6: + ASUS_LED_UNREGISTER(lled); out5: ASUS_LED_UNREGISTER(gled); out4: -- 1.6.3.3