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x86/olpc/xo1/sci: Produce wakeup events for buttons and switches
Produce wakeup events for the XO-1's power button, lid switch and ebook switch, taking care to only produce events when the states have changed. Signed-off-by: Daniel Drake <dsd@laptop.org> Cc: dilinger@queued.net Cc: pgf@laptop.org Link: http://lkml.kernel.org/r/20120412171824.D14C49D401E@zog.reactivated.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
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83125a3a18
commit
d2aa37411b
1 changed files with 21 additions and 5 deletions
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@ -18,6 +18,7 @@
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#include <linux/interrupt.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm.h>
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#include <linux/pm.h>
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#include <linux/pm_wakeup.h>
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#include <linux/mfd/core.h>
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#include <linux/mfd/core.h>
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#include <linux/power_supply.h>
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#include <linux/power_supply.h>
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#include <linux/suspend.h>
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#include <linux/suspend.h>
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@ -83,8 +84,12 @@ static void send_ebook_state(void)
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return;
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return;
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}
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}
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if (!!test_bit(SW_TABLET_MODE, ebook_switch_idev->sw) == state)
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return; /* Nothing new to report. */
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input_report_switch(ebook_switch_idev, SW_TABLET_MODE, state);
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input_report_switch(ebook_switch_idev, SW_TABLET_MODE, state);
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input_sync(ebook_switch_idev);
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input_sync(ebook_switch_idev);
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pm_wakeup_event(&ebook_switch_idev->dev, 0);
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}
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}
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static void flip_lid_inverter(void)
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static void flip_lid_inverter(void)
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@ -123,8 +128,12 @@ static void detect_lid_state(void)
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/* Report current lid switch state through input layer */
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/* Report current lid switch state through input layer */
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static void send_lid_state(void)
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static void send_lid_state(void)
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{
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{
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if (!!test_bit(SW_LID, lid_switch_idev->sw) == !lid_open)
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return; /* Nothing new to report. */
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input_report_switch(lid_switch_idev, SW_LID, !lid_open);
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input_report_switch(lid_switch_idev, SW_LID, !lid_open);
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input_sync(lid_switch_idev);
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input_sync(lid_switch_idev);
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pm_wakeup_event(&lid_switch_idev->dev, 0);
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}
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}
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static ssize_t lid_wake_mode_show(struct device *dev,
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static ssize_t lid_wake_mode_show(struct device *dev,
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@ -213,11 +222,18 @@ static irqreturn_t xo1_sci_intr(int irq, void *dev_id)
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dev_dbg(&pdev->dev, "sts %x gpe %x\n", sts, gpe);
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dev_dbg(&pdev->dev, "sts %x gpe %x\n", sts, gpe);
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if (sts & CS5536_PWRBTN_FLAG && !(sts & CS5536_WAK_FLAG)) {
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if (sts & CS5536_PWRBTN_FLAG) {
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input_report_key(power_button_idev, KEY_POWER, 1);
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if (!(sts & CS5536_WAK_FLAG)) {
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input_sync(power_button_idev);
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/* Only report power button input when it was pressed
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input_report_key(power_button_idev, KEY_POWER, 0);
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* during regular operation (as opposed to when it
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input_sync(power_button_idev);
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* was used to wake the system). */
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input_report_key(power_button_idev, KEY_POWER, 1);
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input_sync(power_button_idev);
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input_report_key(power_button_idev, KEY_POWER, 0);
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input_sync(power_button_idev);
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}
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/* Report the wakeup event in all cases. */
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pm_wakeup_event(&power_button_idev->dev, 0);
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}
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}
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if (gpe & CS5536_GPIOM7_PME_FLAG) { /* EC GPIO */
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if (gpe & CS5536_GPIOM7_PME_FLAG) { /* EC GPIO */
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