From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752340AbaEVCTs (ORCPT ); Wed, 21 May 2014 22:19:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16515 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751249AbaEVCTr (ORCPT ); Wed, 21 May 2014 22:19:47 -0400 From: Flavio Leitner To: linux-kernel@vger.kernel.org Cc: Guenter Roeck , Arnd Bergmann , Flavio Leitner Subject: [PATCH] i8k: increase fan limit to 3 Date: Wed, 21 May 2014 23:19:28 -0300 Message-Id: <1400725168-21358-1-git-send-email-fbl@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Flavio Leitner It is possible to increase left fan speed on a DELL Precision 490n system up to 3. value fan rpm 1 35460 2 64740 3 78510 Signed-off-by: Flavio Leitner --- drivers/char/i8k.c | 4 ++-- include/uapi/linux/i8k.h | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index d915707..99180f0 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -519,7 +519,7 @@ static ssize_t i8k_hwmon_show_pwm(struct device *dev, status = i8k_get_fan_status(index); if (status < 0) return -EIO; - return sprintf(buf, "%d\n", clamp_val(status * 128, 0, 255)); + return sprintf(buf, "%d\n", clamp_val(status * 128, 0, 384)); } static ssize_t i8k_hwmon_set_pwm(struct device *dev, @@ -533,7 +533,7 @@ static ssize_t i8k_hwmon_set_pwm(struct device *dev, err = kstrtoul(buf, 10, &val); if (err) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 128), 0, 2); + val = clamp_val(DIV_ROUND_CLOSEST(val, 128), 0, 3); mutex_lock(&i8k_mutex); err = i8k_set_fan(index, val); diff --git a/include/uapi/linux/i8k.h b/include/uapi/linux/i8k.h index 1c45ba5..133d02f 100644 --- a/include/uapi/linux/i8k.h +++ b/include/uapi/linux/i8k.h @@ -34,7 +34,8 @@ #define I8K_FAN_OFF 0 #define I8K_FAN_LOW 1 #define I8K_FAN_HIGH 2 -#define I8K_FAN_MAX I8K_FAN_HIGH +#define I8K_FAN_TURBO 3 +#define I8K_FAN_MAX I8K_FAN_TURBO #define I8K_VOL_UP 1 #define I8K_VOL_DOWN 2 -- 1.9.0