From: Ike Panhc <ike.pan@canonical.com>
To: platform-driver-x86@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: Matthew Garrett <mjg@redhat.com>, Len Brown <len.brown@intel.com>,
Corentin Chary <corentincj@iksaif.net>,
David Woodhouse <David.Woodhouse@intel.com>,
Mario.Holbe@TU-Ilmenau.DE
Subject: [PATCH 2/9] ideapad: check VPC bit before sync rfkill hw status
Date: Fri, 1 Oct 2010 15:39:05 +0800 [thread overview]
Message-ID: <1285918745-12913-1-git-send-email-ike.pan@canonical.com> (raw)
In-Reply-To: <1285918660-12802-1-git-send-email-ike.pan@canonical.com>
Check VPC bit to make sure the HW rfkill is touched.
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
---
drivers/platform/x86/ideapad_acpi.c | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c
index 1ecf679..15d7e7e 100644
--- a/drivers/platform/x86/ideapad_acpi.c
+++ b/drivers/platform/x86/ideapad_acpi.c
@@ -379,7 +379,21 @@ static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
{
- ideapad_sync_rfk_state(adevice);
+ acpi_handle handle = adevice->handle;
+ unsigned long vpc1, vpc2, vpc_bit;
+
+ if (read_ec_data(handle, 0x10, &vpc1))
+ return;
+ if (read_ec_data(handle, 0x1A, &vpc2))
+ return;
+
+ vpc1 = (vpc2 << 8) | vpc1;
+ for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) {
+ if (test_bit(vpc_bit, &vpc1)) {
+ if (vpc_bit == 9)
+ ideapad_sync_rfk_state(adevice);
+ }
+ }
}
static struct acpi_driver ideapad_acpi_driver = {
--
1.7.1
next prev parent reply other threads:[~2010-10-01 7:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-01 7:37 [Resend] [PATCH 0/9] ideapad: using EC command to control rf/camera power Ike Panhc
2010-10-01 7:38 ` [PATCH 1/9] ideapad: add ACPI helpers Ike Panhc
2010-10-01 7:39 ` Ike Panhc [this message]
2010-10-01 7:39 ` [PATCH 3/9] ideapad: make sure we bind on the correct device Ike Panhc
2010-10-01 7:39 ` [PATCH 4/9] ideapad: use return value of _CFG to tell if device exist or not Ike Panhc
2010-10-01 7:39 ` [PATCH 5/9] ideapad: use EC command to control camera Ike Panhc
2010-10-01 7:39 ` [PATCH 6/9] ideapad: rewrite the hw rfkill notify Ike Panhc
2010-10-01 7:39 ` [PATCH 7/9] ideapad: rewrite the sw rfkill set Ike Panhc
2010-10-01 7:40 ` [PATCH 8/9] ideapad: Change the driver name to ideapad-laptop Ike Panhc
2010-10-01 7:40 ` [PATCH 9/9] ideapad: Add param: no_bt_rfkill Ike Panhc
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