Jaunty SRU - LP364678 - UBUNTU: [PATCH v2] Sony laptop: Some Sony Vaia laptops do not enable wwan power by default.

[Stefan Bader]

Tim Gardner wrote:
> The following changes since commit a63b7d7beeaa1f8f33369cab6419831fa8991e40:
>   Tyler Hicks (1):
>         UBUNTU: SAUCE: (drop after 2.6.28) [PATCH] eCryptfs: Larger buffer for encrypted symlink targets
> 
> are available in the git repository at:
> 
>   git://kernel.ubuntu.com/rtg/ubuntu-jaunty lp364678
> 
> Tim Gardner (1):
>       UBUNTU: Sony laptop: Sony Vaio laptops do not enable wwan power by default.
> 
>  drivers/misc/sony-laptop.c |   23 +++++++++++++++++++++++
>  1 files changed, 23 insertions(+), 0 deletions(-)
> From 71194af7cddcf95c8a4b137c918a86097f3d0be9 Mon Sep 17 00:00:00 2001
> From: Tim Gardner <tim.gardner at canonical.com>
> Date: Tue, 21 Apr 2009 11:09:10 -0600
> Subject: [PATCH] UBUNTU: Sony laptop: Sony Vaio laptops do not enable wwan power by default.
> 
> Bug: #364678
> 
> Added quirk to enable wwan power based on DMI information already present in the module.
> It appears Vaio laptops do not enable wwan power after a cold boot.
> 
> Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
> ---
>  drivers/misc/sony-laptop.c |   23 +++++++++++++++++++++++
>  1 files changed, 23 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
> index 7e73acc..0d6466e 100644
> --- a/drivers/misc/sony-laptop.c
> +++ b/drivers/misc/sony-laptop.c
> @@ -1252,6 +1252,10 @@ struct device_ctrl {
>  	struct sonypi_eventtypes	*event_types;
>  };
>  
> +struct sony_pic_quirk_entry {
> +	u8				set_wwan_power;
> +};
> +
>  struct sony_pic_dev {
>  	struct device_ctrl	*control;
>  	struct acpi_device	*acpi_dev;
> @@ -1260,6 +1264,7 @@ struct sony_pic_dev {
>  	struct list_head	interrupts;
>  	struct list_head	ioports;
>  	struct mutex		lock;
> +	struct sony_pic_quirk_entry *quirks;
>  	u8			camera_power;
>  	u8			bluetooth_power;
>  	u8			wwan_power;
> @@ -2685,6 +2690,12 @@ static int sony_pic_add(struct acpi_device *device)
>  	if (result)
>  		goto err_remove_pf;
>  
> +	if (spic_dev.quirks && spic_dev.quirks->set_wwan_power) {
> +		/*
> +		 * Power isn't enabled by default.
> +		 */
> +		sony_pic_set_wwanpower(1);
> +	}
>  	return 0;
>  
>  err_remove_pf:
> @@ -2755,6 +2766,16 @@ static struct acpi_driver sony_pic_driver = {
>  		},
>  };
>  
> +static struct sony_pic_quirk_entry sony_pic_vaio_vgn = {
> +	.set_wwan_power = 1,
> +};
> +
> +static int dmi_matched(const struct dmi_system_id *dmi)
> +{
> +	spic_dev.quirks = dmi->driver_data;
> +	return 0;
> +}
> +
>  static struct dmi_system_id __initdata sonypi_dmi_table[] = {
>  	{
>  		.ident = "Sony Vaio",
> @@ -2769,6 +2790,8 @@ static struct dmi_system_id __initdata sonypi_dmi_table[] = {
>  			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
>  			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
>  		},
> +		.callback = dmi_matched,
> +		.driver_data = &sony_pic_vaio_vgn,
>  	},
>  	{ }
>  };
ACK on this one, I'll pull after one more.

-- 

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