diff options
| -rw-r--r-- | src/linux/hidpp-device.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/src/linux/hidpp-device.c b/src/linux/hidpp-device.c index 579e88d..78216ca 100644 --- a/src/linux/hidpp-device.c +++ b/src/linux/hidpp-device.c @@ -149,6 +149,7 @@ struct HidppDevicePrivate guint device_idx; guint version; HidppDeviceBattStatus batt_status; + gboolean batt_is_approx; HidppDeviceKind kind; int fd; }; @@ -782,21 +783,24 @@ hidpp_device_refresh (HidppDevice *device, /* get battery status */ if ((refresh_flags & HIDPP_REFRESH_FLAGS_BATTERY) > 0) { if (priv->version == 1) { - msg.type = HIDPP_MSG_TYPE_SHORT; - msg.device_idx = priv->device_idx; - msg.feature_idx = HIDPP_READ_SHORT_REGISTER; - msg.function_idx = HIDPP_READ_SHORT_REGISTER_BATTERY; - msg.s.params[0] = 0x00; - msg.s.params[1] = 0x00; - msg.s.params[2] = 0x00; - ret = hidpp_device_cmd (device, - &msg, &msg, - error); - if (!ret && hidpp_is_error(&msg, &error_code) && + if (!priv->batt_is_approx) { + msg.type = HIDPP_MSG_TYPE_SHORT; + msg.device_idx = priv->device_idx; + msg.feature_idx = HIDPP_READ_SHORT_REGISTER; + msg.function_idx = HIDPP_READ_SHORT_REGISTER_BATTERY; + memset(msg.s.params, 0, sizeof(msg.s.params)); + ret = hidpp_device_cmd (device, + &msg, &msg, + error); + if (!ret && hidpp_is_error(&msg, &error_code) && error_code == HIDPP10_ERROR_CODE_INVALID_ADDRESS) { - g_error_free(*error); - *error = NULL; + g_error_free(*error); + *error = NULL; + priv->batt_is_approx = TRUE; + } + } + if (priv->batt_is_approx) { msg.type = HIDPP_MSG_TYPE_SHORT; msg.device_idx = priv->device_idx; msg.feature_idx = HIDPP_READ_SHORT_REGISTER; @@ -931,6 +935,7 @@ hidpp_device_init (HidppDevice *device) device->priv->fd = -1; device->priv->feature_index = g_ptr_array_new_with_free_func (g_free); device->priv->batt_status = HIDPP_DEVICE_BATT_STATUS_UNKNOWN; + device->priv->batt_is_approx = FALSE; device->priv->kind = HIDPP_DEVICE_KIND_UNKNOWN; /* add known root */ |