Hi Darren,
2015-04-01 23:21 GMT-06:00 Darren Hart <dvhart@xxxxxxxxxxxxx>:
> On Sun, Mar 29, 2015 at 07:25:39PM -0600, Azael Avalos wrote:
>> This patch fixes the USB Sleep and Charge mode on certain models
>> where the value returned by the BIOS is different, and thus, making
>> this feature not to work for those models.
>>
>> Also, the "Typical" charging mode was added as a supported mode.
>>
>> Signed-off-by: Azael Avalos <coproscefalo@xxxxxxxxx>
>> ---
>> drivers/platform/x86/toshiba_acpi.c | 69 ++++++++++++++++++++++++++++++++-----
>> 1 file changed, 60 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
>> index 17a259e..c8ad61c 100644
>> --- a/drivers/platform/x86/toshiba_acpi.c
>> +++ b/drivers/platform/x86/toshiba_acpi.c
>> @@ -150,9 +150,10 @@ MODULE_LICENSE("GPL");
>> #define SCI_KBD_MODE_OFF 0x10
>> #define SCI_KBD_TIME_MAX 0x3c001a
>> #define SCI_USB_CHARGE_MODE_MASK 0xff
>> -#define SCI_USB_CHARGE_DISABLED 0x30000
>> -#define SCI_USB_CHARGE_ALTERNATE 0x30009
>> -#define SCI_USB_CHARGE_AUTO 0x30021
>> +#define SCI_USB_CHARGE_DISABLED 0x00
>> +#define SCI_USB_CHARGE_ALTERNATE 0x09
>> +#define SCI_USB_CHARGE_TYPICAL 0x11
>> +#define SCI_USB_CHARGE_AUTO 0x21
>> #define SCI_USB_CHARGE_BAT_MASK 0x7
>> #define SCI_USB_CHARGE_BAT_LVL_OFF 0x1
>> #define SCI_USB_CHARGE_BAT_LVL_ON 0x4
>> @@ -177,6 +178,7 @@ struct toshiba_acpi_dev {
>> int kbd_mode;
>> int kbd_time;
>> int usbsc_bat_level;
>> + int usbsc_mode_base;
>> int hotkey_event_type;
>>
>> unsigned int illumination_supported:1;
>> @@ -800,6 +802,52 @@ static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev,
>> }
>>
>> /* Sleep (Charge and Music) utilities support */
>> +static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev)
>> +{
>> + u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
>> + u32 out[TCI_WORDS];
>> + acpi_status status;
>> +
>> + /* Set the feature to "not supported" in case of error */
>> + dev->usb_sleep_charge_supported = 0;
>> +
>> + if (!sci_open(dev))
>> + return;
>> +
>> + status = tci_raw(dev, in, out);
>> + if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
>> + pr_err("ACPI call to get USB Sleep and Charge mode failed\n");
>> + sci_close(dev);
>> + return;
>> + } else if (out[0] == TOS_NOT_SUPPORTED) {
>> + pr_info("USB Sleep and Charge not supported\n");
>> + sci_close(dev);
>> + return;
>> + }
>
> Sorry Azael for not asking the first time, and maybe this is just how it is -
> but it occurs to me that after the above tci_raw call, we check for 3 error
> cases, but we never test for success. Can we not check for out[0] == TOS_SUCCESS
> or similar? The above logic seems like the kind to lead to failure going
> unnoticed as success is assumed and not confirmed.
>
No problem, will send v3 in a few :-)
>> + dev->usbsc_mode_base = out[4];
>> +
>> + in[5] = SCI_USB_CHARGE_BAT_LVL;
>> + status = tci_raw(dev, in, out);
>> + if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
>> + pr_err("ACPI call to get USB Sleep and Charge mode failed\n");
>> + sci_close(dev);
>> + return;
>> + } else if (out[0] == TOS_NOT_SUPPORTED) {
>> + pr_info("USB Sleep and Charge not supported\n");
>> + sci_close(dev);
>> + return;
>> + }
>
> Here too.
>
> --
> Darren Hart
> Intel Open Source Technology Center
Cheers
Azael
--
-- El mundo apesta y vosotros apestais tambien --
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