From patchwork Wed Aug 18 08:38:15 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ike Panhc X-Patchwork-Id: 120106 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o7I8dNlh019353 for ; Wed, 18 Aug 2010 08:39:23 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752397Ab0HRIiW (ORCPT ); Wed, 18 Aug 2010 04:38:22 -0400 Received: from adelie.canonical.com ([91.189.90.139]:51653 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752382Ab0HRIiV (ORCPT ); Wed, 18 Aug 2010 04:38:21 -0400 Received: from hutte.canonical.com ([91.189.90.181]) by adelie.canonical.com with esmtp (Exim 4.69 #1 (Debian)) id 1OleA8-0005RP-P1; Wed, 18 Aug 2010 09:38:20 +0100 Received: from [210.242.151.101] (helo=canonical.com) by hutte.canonical.com with esmtpsa (TLS-1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1OleA7-00016q-RE; Wed, 18 Aug 2010 09:38:20 +0100 From: Ike Panhc To: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Thomas Renninger , Alan Cox , Andrew Morton , Corentin Chary , David Woodhouse , Randy Dunlap , Len Brown , Matthew Garrett Subject: [PATCH 5/8] ideapad: use EC command to control camera Date: Wed, 18 Aug 2010 16:38:15 +0800 Message-Id: <1282120695-11503-1-git-send-email-ike.pan@canonical.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1282120564-11324-1-git-send-email-ike.pan@canonical.com> References: <1282120564-11324-1-git-send-email-ike.pan@canonical.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 18 Aug 2010 08:39:23 +0000 (UTC) diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c index 673b44d..a1fdb45 100644 --- a/drivers/platform/x86/ideapad_acpi.c +++ b/drivers/platform/x86/ideapad_acpi.c @@ -35,6 +35,7 @@ #define IDEAPAD_DEV_KILLSW 4 struct ideapad_private { + acpi_handle handle; struct rfkill *rfk[5]; }; @@ -209,24 +210,28 @@ static ssize_t show_ideapad_cam(struct device *dev, struct device_attribute *attr, char *buf) { - int state = ideapad_dev_get_state(IDEAPAD_DEV_CAMERA); - if (state < 0) - return state; + struct ideapad_private *priv = dev_get_drvdata(dev); + acpi_handle handle = priv->handle; + unsigned long result; - return sprintf(buf, "%d\n", state); + if (read_ec_data(handle, 0x1D, &result)) + return sprintf(buf, "-1\n"); + return sprintf(buf, "%lu\n", result); } static ssize_t store_ideapad_cam(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct ideapad_private *priv = dev_get_drvdata(dev); + acpi_handle handle = priv->handle; int ret, state; if (!count) return 0; if (sscanf(buf, "%i", &state) != 1) return -EINVAL; - ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, !!state); + ret = write_ec_cmd(handle, 0x1E, state); if (ret < 0) return ret; return count; @@ -337,6 +342,7 @@ static int ideapad_acpi_add(struct acpi_device *adevice) } } + priv->handle = adevice->handle; dev_set_drvdata(&adevice->dev, priv); for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) { if (!devs_present[i])