[U-Boot] [PATCH 6/9 v9] TMU: Add TMU support in dtt command

[Simon Glass]

Hi Akshay,

On Wed, Feb 6, 2013 at 5:18 AM, Akshay Saraswat <akshay.s at samsung.com> wrote:
> Add generic TMU support alongwith i2c sensors in dtt command
> to enable temperature reading in cases where TMU is present
> along-with/instead-of i2c sensors.
>
> Signed-off-by: Akshay Saraswat <akshay.s at samsung.com>

Yes that looks right, thanks.

Acked-by: Simon Glass <sjg at chromium.org>

> ---
> Changes since v8:
>         - Kept old code same and added dtt_i2c.
>
>  common/cmd_dtt.c |   32 +++++++++++++++++++++++++++++++-
>  1 file changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/common/cmd_dtt.c b/common/cmd_dtt.c
> index cd94423..0c1cfdb 100644
> --- a/common/cmd_dtt.c
> +++ b/common/cmd_dtt.c
> @@ -27,7 +27,9 @@
>
>  #include <dtt.h>
>  #include <i2c.h>
> +#include <tmu.h>
>
> +#if defined CONFIG_DTT_SENSORS
>  static unsigned long sensor_initialized;
>
>  static void _initialize_dtt(void)
> @@ -59,9 +61,11 @@ void dtt_init(void)
>         /* switch back to original I2C bus */
>         I2C_SET_BUS(old_bus);
>  }
> +#endif
>
> -int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
> +int dtt_i2c(void)
>  {
> +#if defined CONFIG_DTT_SENSORS
>         int i;
>         unsigned char sensors[] = CONFIG_DTT_SENSORS;
>         int old_bus;
> @@ -83,8 +87,34 @@ int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
>
>         /* switch back to original I2C bus */
>         I2C_SET_BUS(old_bus);
> +#endif
> +
> +       return 0;
> +}
>
> +int dtt_tmu(void)
> +{
> +#if defined CONFIG_TMU_CMD_DTT
> +       int cur_temp;
> +
> +       /* Sense and return latest thermal info */
> +       if (tmu_monitor(&cur_temp) == TMU_STATUS_INIT) {
> +               puts("TMU is in unknown state, temperature is invalid\n");
> +               return -1;
> +       }
> +       printf("Current temperature: %u degrees Celsius\n", cur_temp);
> +#endif
>         return 0;
> +}
> +
> +int do_dtt(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
> +{
> +       int err = 0;
> +
> +       err |= dtt_i2c();
> +       err |= dtt_tmu();
> +
> +       return err;
>  }      /* do_dtt() */
>
>  /***************************************************/
> --
> 1.7.9.5
>