Input: elan_i2c - only increment wakeup count on touch

This moves the wakeup increment for elan devices to the touch report.
This prevents the drivers from incorrectly reporting a wakeup when the
resume callback resets then device, which causes an interrupt to
occur.

Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Link: https://lore.kernel.org/r/20200706235046.1984283-1-dbasehore@chromium.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 3f9354b..6291fb5 100644 (file)
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -951,6 +951,8 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
        u8 hover_info = packet[ETP_HOVER_INFO_OFFSET];
        bool contact_valid, hover_event;
 
+       pm_wakeup_event(&data->client->dev, 0);
+
        hover_event = hover_info & 0x40;
        for (i = 0; i < ETP_MAX_FINGERS; i++) {
                contact_valid = tp_info & (1U << (3 + i));
@@ -974,6 +976,8 @@ static void elan_report_trackpoint(struct elan_tp_data *data, u8 *report)
        u8 *packet = &report[ETP_REPORT_ID_OFFSET + 1];
        int x, y;
 
+       pm_wakeup_event(&data->client->dev, 0);
+
        if (!data->tp_input) {
                dev_warn_once(&data->client->dev,
                              "received a trackpoint report while no trackpoint device has been created. Please report upstream.\n");
@@ -998,7 +1002,6 @@ static void elan_report_trackpoint(struct elan_tp_data *data, u8 *report)
 static irqreturn_t elan_isr(int irq, void *dev_id)
 {
        struct elan_tp_data *data = dev_id;
-       struct device *dev = &data->client->dev;
        int error;
        u8 report[ETP_MAX_REPORT_LEN];
 
@@ -1016,8 +1019,6 @@ static irqreturn_t elan_isr(int irq, void *dev_id)
        if (error)
                goto out;
 
-       pm_wakeup_event(dev, 0);
-
        switch (report[ETP_REPORT_ID_OFFSET]) {
        case ETP_REPORT_ID:
                elan_report_absolute(data, report);
@@ -1026,7 +1027,7 @@ static irqreturn_t elan_isr(int irq, void *dev_id)
                elan_report_trackpoint(data, report);
                break;
        default:
-               dev_err(dev, "invalid report id data (%x)\n",
+               dev_err(&data->client->dev, "invalid report id data (%x)\n",
                        report[ETP_REPORT_ID_OFFSET]);
        }