ideapad: use EC command to control camera
Signed-off-by: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
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@ -35,6 +35,7 @@
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#define IDEAPAD_DEV_KILLSW 4
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#define IDEAPAD_DEV_KILLSW 4
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struct ideapad_private {
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struct ideapad_private {
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acpi_handle handle;
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struct rfkill *rfk[5];
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struct rfkill *rfk[5];
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};
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};
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@ -207,24 +208,28 @@ static ssize_t show_ideapad_cam(struct device *dev,
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struct device_attribute *attr,
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struct device_attribute *attr,
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char *buf)
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char *buf)
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{
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{
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int state = ideapad_dev_get_state(IDEAPAD_DEV_CAMERA);
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struct ideapad_private *priv = dev_get_drvdata(dev);
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if (state < 0)
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acpi_handle handle = priv->handle;
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return state;
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unsigned long result;
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return sprintf(buf, "%d\n", state);
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if (read_ec_data(handle, 0x1D, &result))
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return sprintf(buf, "-1\n");
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return sprintf(buf, "%lu\n", result);
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}
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}
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static ssize_t store_ideapad_cam(struct device *dev,
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static ssize_t store_ideapad_cam(struct device *dev,
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struct device_attribute *attr,
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struct device_attribute *attr,
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const char *buf, size_t count)
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const char *buf, size_t count)
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{
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{
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struct ideapad_private *priv = dev_get_drvdata(dev);
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acpi_handle handle = priv->handle;
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int ret, state;
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int ret, state;
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if (!count)
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if (!count)
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return 0;
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return 0;
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if (sscanf(buf, "%i", &state) != 1)
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if (sscanf(buf, "%i", &state) != 1)
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return -EINVAL;
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return -EINVAL;
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ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, !!state);
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ret = write_ec_cmd(handle, 0x1E, state);
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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return count;
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return count;
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@ -330,6 +335,7 @@ static int ideapad_acpi_add(struct acpi_device *adevice)
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}
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}
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}
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}
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priv->handle = adevice->handle;
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dev_set_drvdata(&adevice->dev, priv);
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dev_set_drvdata(&adevice->dev, priv);
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for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) {
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for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) {
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if (!devs_present[i])
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if (!devs_present[i])
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