On Wed, Feb 18, 2015 at 09:53:28PM +0100, Bastien Nocera wrote:
> Rather than checking on each suspend and resume whether the laptop
> has an adaptive keyboard, check when the driver is initialised.
Reasonable.
>
> Signed-off-by: Bastien Nocera <had...@hadess.net>
> ---
> drivers/platform/x86/thinkpad_acpi.c | 38
> ++++++++++++++++++------------------
> 1 file changed, 19 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/platform/x86/thinkpad_acpi.c
> b/drivers/platform/x86/thinkpad_acpi.c
> index c3d11fa..80db3ce 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
...
> @@ -3226,6 +3227,13 @@ static int __init hotkey_init(struct ibm_init_struct
> *iibm)
> if (!tp_features.hotkey)
> return 1;
>
> + /* does it have an adaptive keyboard, like
> + * the Lenovo Carbon X1 2014 (2nd gen) */
Please follow CodingStyle here:
/*
* Sentence formatting.
* Second line.
*/
The above is a question, just state what you're doing:
/*
* Check if we have an adaptive keyboard, like on the
* Lenovo Carbon X1 2014 (2nd Gen).
*/
> + if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
> + if ((hkeyv >> 8) == 2)
> + tp_features.has_adaptive_kbd = true;
> + }
> +
> quirks = tpacpi_check_quirks(tpacpi_hotkey_qtable,
> ARRAY_SIZE(tpacpi_hotkey_qtable));
>
> @@ -3834,28 +3842,22 @@ static void hotkey_notify(struct ibm_struct *ibm, u32
> event)
>
> static void hotkey_suspend(void)
> {
> - int hkeyv;
> -
> /* Do these on suspend, we get the events on early resume! */
> hotkey_wakeup_reason = TP_ACPI_WAKEUP_NONE;
> hotkey_autosleep_ack = 0;
>
> /* save previous mode of adaptive keyboard of X1 Carbon */
> - if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
> - if ((hkeyv >> 8) == 2) {
> - if (!acpi_evalf(hkey_handle,
> - &adaptive_keyboard_prev_mode,
> - "GTRW", "dd", 0)) {
> - pr_err("Cannot read adaptive keyboard mode.\n");
> - }
> + if (tp_features.has_adaptive_kbd) {
> + if (!acpi_evalf(hkey_handle,
> + &adaptive_keyboard_prev_mode,
> + "GTRW", "dd", 0)) {
> + pr_err("Cannot read adaptive keyboard mode.\n");
> }
> }
> }
>
> static void hotkey_resume(void)
> {
> - int hkeyv;
> -
> tpacpi_disable_brightness_delay();
>
> if (hotkey_status_set(true) < 0 ||
> @@ -3870,14 +3872,12 @@ static void hotkey_resume(void)
> hotkey_poll_setup_safe(false);
>
> /* restore previous mode of adapive keyboard of X1 Carbon */
> - if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
> - if ((hkeyv >> 8) == 2) {
> - if (!acpi_evalf(hkey_handle,
> - NULL,
> - "STRW", "vd",
> - adaptive_keyboard_prev_mode)) {
> - pr_err("Cannot set adaptive keyboard mode.\n");
> - }
> + if (tp_features.has_adaptive_kbd) {
> + if (!acpi_evalf(hkey_handle,
> + NULL,
> + "STRW", "vd",
> + adaptive_keyboard_prev_mode)) {
You've saved a level of indentation, please group the arguments into fewer
lines, should be two instead of four.
Otherwise, looks good.
--
Darren Hart
Intel Open Source Technology Center
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