Hi Szymon,
On Mon, Dec 23, 2013 at 1:07 PM, Szymon Janc <szymon.janc@xxxxxxxxx> wrote:
> This allows to enable and disable DUT mode. This is special mode so
> adding more info from related kernel commit:
>
> "The Device Under Test (DUT) mode is useful for doing certification
> testing and so expose this as debugfs option.
>
> This mode is actually special since you can only enter it. Restoring
> normal operation means that a HCI Reset is required. The current mode
> value gets tracked as a new device flag and when disabling it, the
> correct command to reset the controller is sent."
> ---
> android/bluetooth.c | 29 ++++++++++++++++++++++++++---
> 1 file changed, 26 insertions(+), 3 deletions(-)
>
> diff --git a/android/bluetooth.c b/android/bluetooth.c
> index 2e75864..59f0810 100644
> --- a/android/bluetooth.c
> +++ b/android/bluetooth.c
> @@ -50,6 +50,8 @@
> #include "utils.h"
> #include "bluetooth.h"
>
> +#define DUT_MODE_FILE "/sys/kernel/debug/bluetooth/hci%u/dut_mode"
> +
> #define DEVICE_ID_SOURCE 0x0002 /* USB */
> #define DEVICE_ID_VENDOR 0x1d6b /* Linux Foundation */
> #define DEVICE_ID_PRODUCT 0x0247 /* BlueZ for Android */
> @@ -2872,13 +2874,34 @@ failed:
> static void handle_dut_mode_conf_cmd(const void *buf, uint16_t len)
> {
> const struct hal_cmd_dut_mode_conf *cmd = buf;
> + char path[FILENAME_MAX];
> + uint8_t status;
> + int fd, ret;
>
> DBG("enable %u", cmd->enable);
>
> - /* TODO */
> + snprintf(path, sizeof(path), DUT_MODE_FILE, adapter.index);
>
> - ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_DUT_MODE_CONF,
> - HAL_STATUS_FAILED);
> + fd = open(path, O_WRONLY);
> + if (fd < 0) {
> + status = HAL_STATUS_FAILED;
> + goto failed;
> + }
> +
> + if (cmd->enable)
> + ret = write(fd, "1", sizeof("1"));
> + else
> + ret = write(fd, "0", sizeof("0"));
> +
> + if (ret < 0)
> + status = HAL_STATUS_FAILED;
> + else
> + status = HAL_STATUS_SUCCESS;
> +
> + close(fd);
> +
> +failed:
> + ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_DUT_MODE_CONF, status);
> }
>
> static void handle_dut_mode_send_cmd(const void *buf, uint16_t len)
> --
> 1.8.3.2
Pushed, thanks.
--
Luiz Augusto von Dentz
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