From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752540Ab0INJsd (ORCPT ); Tue, 14 Sep 2010 05:48:33 -0400 Received: from adelie.canonical.com ([91.189.90.139]:43565 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752228Ab0INJsc (ORCPT ); Tue, 14 Sep 2010 05:48:32 -0400 From: Keng-Yu Lin To: len.brown@intel.com, alan-jenkins@tuffmail.co.uk, superm1@ubuntu.com, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Keng-Yu Lin Subject: [PATCH] dell-laptop: Add debugfs support Date: Tue, 14 Sep 2010 17:48:10 +0800 Message-Id: <1284457690-32635-1-git-send-email-keng-yu.lin@canonical.com> X-Mailer: git-send-email 1.7.0.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Export the status of RF killswitch through debugfs. Signed-off-by: Keng-Yu Lin --- drivers/platform/x86/dell-laptop.c | 83 ++++++++++++++++++++++++++++++++++++ 1 files changed, 83 insertions(+), 0 deletions(-) diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 6110601..0d390b3 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -25,6 +25,8 @@ #include #include #include +#include +#include #include "../../firmware/dcdbas.h" #define BRIGHTNESS_TOKEN 0x7d @@ -319,6 +321,77 @@ static const struct rfkill_ops dell_rfkill_ops = { .query = dell_rfkill_query, }; +#ifdef CONFIG_DEBUG_FS +static struct dentry *dell_laptop_dir; + +static int dell_debugfs_show(struct seq_file *s, void *data) +{ + int status; + + get_buffer(); + dell_send_request(buffer, 17, 11); + status = buffer->output[1]; + release_buffer(); + + seq_printf(s, "status:\t0x%X\n", status); + seq_printf(s, "Hardware switch supported: %lu\n", + status & BIT(0)); + seq_printf(s, "Wifi locator supported: %lu\n", + (status & BIT(1)) >> 1); + seq_printf(s, "Wifi is supported: %lu\n", + (status & BIT(2)) >> 2); + seq_printf(s, "Bluetooth is supported: %lu\n", + (status & BIT(3)) >> 3); + seq_printf(s, "WWAN is supported: %lu\n", + (status & BIT(4)) >> 4); + seq_printf(s, "Wireless keyboard supported: %lu\n", + (status & BIT(5)) >> 5); + seq_printf(s, "Wifi is installed: %lu\n", + (status & BIT(8)) >> 8); + seq_printf(s, "Bluetooth is installed: %lu\n", + (status & BIT(9)) >> 9); + seq_printf(s, "WWAN is installed: %lu\n", + (status & BIT(10)) >> 10); + seq_printf(s, "Hardware switch is on: %lu\n", + (status & BIT(16)) >> 16); + seq_printf(s, "Wifi is blocked: %lu\n", + (status & BIT(17)) >> 17); + seq_printf(s, "Bluetooth is blocked: %lu\n", + (status & BIT(18)) >> 18); + seq_printf(s, "WWAN is blocked: %lu\n", + (status & BIT(19)) >> 19); + + seq_printf(s, "\nhwswitch_state:\t0x%X\n", hwswitch_state); + seq_printf(s, "Wifi controlled by switch: %lu\n", + hwswitch_state & BIT(0)); + seq_printf(s, "Bluetooth controlled by switch: %lu\n", + hwswitch_state & BIT(0) >> 1); + seq_printf(s, "WWAN controlled by switch: %lu\n", + hwswitch_state & BIT(0) >> 2); + seq_printf(s, "Wireless switch config locked: %lu\n", + hwswitch_state & BIT(0) >> 7); + seq_printf(s, "Wifi locator enabled: %lu\n", + hwswitch_state & BIT(0) >> 8); + seq_printf(s, "Wifi locator setting locked: %lu\n", + hwswitch_state & BIT(0) >> 15); + + return 0; +} + +static int dell_debugfs_open(struct inode *inode, struct file *file) +{ + return single_open(file, dell_debugfs_show, inode->i_private); +} + +static const struct file_operations dell_debugfs_fops = { + .owner = THIS_MODULE, + .open = dell_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + static void dell_update_rfkill(struct work_struct *ignored) { if (wifi_rfkill) @@ -550,6 +623,13 @@ static int __init dell_init(void) goto fail_filter; } +#ifdef CONFIG_DEBUG_FS + dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL); + if (dell_laptop_dir != NULL) + debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL, + &dell_debugfs_fops); +#endif + #ifdef CONFIG_ACPI /* In the event of an ACPI backlight being available, don't * register the platform controller. @@ -609,6 +689,9 @@ fail_platform_driver: static void __exit dell_exit(void) { +#ifdef CONFIG_DEBUG_FS + debugfs_remove_recursive(dell_laptop_dir); +#endif i8042_remove_filter(dell_laptop_i8042_filter); cancel_delayed_work_sync(&dell_rfkill_work); backlight_device_unregister(dell_backlight_device); -- 1.7.0.4