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Old 04-20-2010, 08:16 PM
Kamal Mostafa
 
Default SRU: UBUNTU: SAUCE: Fix hang on resume for Dell Studio 1558, 1557, 1555

Proposed patch for Lucid SRU-

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/553498
Dell Studio 1558 (Arrandale) hangs on resume from suspend

SRU Justification/Impact:

Dell Studio 1558 (and presumably other 155x models) hangs on resume from
suspend.

TEST CASE:

I have built and tested a kernel with this patch and confirmed that it
reliably fixes resume from suspend on my own Dell Studio 1558.

=====

Add the Dell Studio models (1558, 1557, 1555) to the list of machines
needing 'set_sci_en_on_resume' handling; affects only the listed models.

BugLink: http://bugs.launchpad.net/bugs/553498

Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/acpi/sleep.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 5f2c379..cf3101f 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -453,6 +453,30 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
},
},
+ {
+ .callback = init_set_sci_en_on_resume,
+ .ident = "Dell Studio 1558",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1558"),
+ },
+ },
+ {
+ .callback = init_set_sci_en_on_resume,
+ .ident = "Dell Studio 1557",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557"),
+ },
+ },
+ {
+ .callback = init_set_sci_en_on_resume,
+ .ident = "Dell Studio 1555",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1555"),
+ },
+ },
{},
};
#endif /* CONFIG_SUSPEND */
--
1.6.3.3


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