From patchwork Sat Apr 4 04:25:51 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henrique de Moraes Holschuh X-Patchwork-Id: 16296 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n344Q6XQ009928 for ; Sat, 4 Apr 2009 04:26:13 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751456AbZDDE0M (ORCPT ); Sat, 4 Apr 2009 00:26:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751621AbZDDE0L (ORCPT ); Sat, 4 Apr 2009 00:26:11 -0400 Received: from out2.smtp.messagingengine.com ([66.111.4.26]:34008 "EHLO out2.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751456AbZDDE0D (ORCPT ); Sat, 4 Apr 2009 00:26:03 -0400 Received: from compute2.internal (compute2.internal [10.202.2.42]) by out1.messagingengine.com (Postfix) with ESMTP id E346E30F6F2; Sat, 4 Apr 2009 00:26:01 -0400 (EDT) Received: from heartbeat1.messagingengine.com ([10.202.2.160]) by compute2.internal (MEProxy); Sat, 04 Apr 2009 00:26:01 -0400 X-Sasl-enc: pZwXRqcz4W8a3YGVCGVLrNHM4Vy8bMR6MwHmrWitk2pl 1238819161 Received: from khazad-dum.debian.net (unknown [201.82.166.239]) by mail.messagingengine.com (Postfix) with ESMTPSA id 6ABC61919B; Sat, 4 Apr 2009 00:26:01 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by localhost.khazad-dum.debian.net (Postfix) with ESMTP id F29132821E; Sat, 4 Apr 2009 01:25:59 -0300 (BRT) X-Virus-Scanned: Debian amavisd-new at khazad-dum.debian.net Received: from khazad-dum.debian.net ([127.0.0.1]) by localhost (khazad-dum.debian.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 16TI9Q93LW-A; Sat, 4 Apr 2009 01:25:55 -0300 (BRT) Received: by khazad-dum.debian.net (Postfix, from userid 1000) id 29AEA28226; Sat, 4 Apr 2009 01:25:54 -0300 (BRT) From: Henrique de Moraes Holschuh To: Len Brown Cc: linux-acpi@vger.kernel.org, ibm-acpi-devel@lists.sourceforge.net, Henrique de Moraes Holschuh Subject: [PATCH 10/12] thinkpad-acpi: enhanced debugging messages for the hotkey subdriver Date: Sat, 4 Apr 2009 01:25:51 -0300 Message-Id: <1238819153-16004-11-git-send-email-hmh@hmh.eng.br> X-Mailer: git-send-email 1.6.2.1 In-Reply-To: <1238819153-16004-1-git-send-email-hmh@hmh.eng.br> References: <1238819153-16004-1-git-send-email-hmh@hmh.eng.br> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Enhance debugging messages for the hotkey subdriver. Signed-off-by: Henrique de Moraes Holschuh --- Documentation/laptops/thinkpad-acpi.txt | 1 + drivers/platform/x86/thinkpad_acpi.c | 39 +++++++++++++++++++++++-------- 2 files changed, 30 insertions(+), 10 deletions(-) diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index 7daca05..abbbe78 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt @@ -1496,6 +1496,7 @@ to enable more than one output class, just add their values. 0x0002 Removal 0x0004 RF Transmitter control (RFKILL) (bluetooth, WWAN, UWB...) + 0x0008 HKEY event interface, hotkeys There is also a kernel build option to enable more debugging information, which may be necessary to debug driver problems. diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 92fff8d..c8bd563 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -190,6 +190,7 @@ enum { #define TPACPI_DBG_INIT 0x0001 #define TPACPI_DBG_EXIT 0x0002 #define TPACPI_DBG_RFKILL 0x0004 +#define TPACPI_DBG_HKEY 0x0008 #define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off") #define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") @@ -1961,6 +1962,8 @@ static ssize_t hotkey_mask_store(struct device *dev, mutex_unlock(&hotkey_mutex); + tpacpi_disclose_usertask("hotkey_mask", "set to 0x%08lx\n", t); + return (res) ? res : count; } @@ -2047,6 +2050,8 @@ static ssize_t hotkey_source_mask_store(struct device *dev, mutex_unlock(&hotkey_mutex); + tpacpi_disclose_usertask("hotkey_source_mask", "set to 0x%08lx\n", t); + return count; } @@ -2079,6 +2084,8 @@ static ssize_t hotkey_poll_freq_store(struct device *dev, hotkey_poll_setup(1); mutex_unlock(&hotkey_mutex); + tpacpi_disclose_usertask("hotkey_poll_freq", "set to %lu\n", t); + return count; } @@ -2248,7 +2255,7 @@ static void hotkey_exit(void) kfree(hotkey_keycode_map); if (tp_features.hotkey) { - dbg_printk(TPACPI_DBG_EXIT, + dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY, "restoring original hot key mask\n"); /* no short-circuit boolean operator below! */ if ((hotkey_mask_set(hotkey_orig_mask) | @@ -2378,7 +2385,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) int status; int hkeyv; - vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n"); + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, + "initializing hotkey subdriver\n"); BUG_ON(!tpacpi_inputdev); BUG_ON(tpacpi_inputdev->open != NULL || @@ -2395,7 +2403,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) /* hotkey not supported on 570 */ tp_features.hotkey = hkey_handle != NULL; - vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n", + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, + "hotkeys are %s\n", str_supported(tp_features.hotkey)); if (!tp_features.hotkey) @@ -2427,10 +2436,14 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) * T4x, X31, and later */ tp_features.hotkey_mask = 1; + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, + "firmware HKEY interface version: 0x%x\n", + hkeyv); } } - vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, + "hotkey masks are %s\n", str_supported(tp_features.hotkey_mask)); if (tp_features.hotkey_mask) { @@ -2469,7 +2482,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK; } - vdbg_printk(TPACPI_DBG_INIT, + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, "hotkey source mask 0x%08x, polling freq %d\n", hotkey_source_mask, hotkey_poll_freq); #endif @@ -2523,12 +2536,12 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) } if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { - dbg_printk(TPACPI_DBG_INIT, + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, "using Lenovo default hot key map\n"); memcpy(hotkey_keycode_map, &lenovo_keycode_map, TPACPI_HOTKEY_MAP_SIZE); } else { - dbg_printk(TPACPI_DBG_INIT, + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, "using IBM default hot key map\n"); memcpy(hotkey_keycode_map, &ibm_keycode_map, TPACPI_HOTKEY_MAP_SIZE); @@ -2585,7 +2598,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) | (1 << TP_ACPI_HOTKEYSCAN_FNEND); } - dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n"); + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, + "enabling firmware HKEY event interface...\n"); res = hotkey_status_set(true); if (res) { hotkey_exit(); @@ -2599,8 +2613,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) return res; } - dbg_printk(TPACPI_DBG_INIT, - "legacy hot key reporting over procfs %s\n", + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY, + "legacy ibm/hotkey event reporting over procfs %s\n", (hotkey_report_mode < 2) ? "enabled" : "disabled"); @@ -2971,6 +2985,11 @@ static int hotkey_write(char *buf) goto errexit; } } + + if (!res) + tpacpi_disclose_usertask("procfs hotkey", + "set mask to 0x%08x\n", mask); + if (!res && mask != hotkey_mask) res = hotkey_mask_set(mask);