Re: [PATCH v11 05/56] Input: atmel_mxt_ts - output status from T48 Noise Supression

Dmitry Torokhov
2020-05-11T22:23:53Z

On Thu, May 07, 2020 at 10:56:05PM -0700, Jiada Wang wrote:
> From: Nick Dyer <nick.dyer@itdev.co.uk>
>
> This patch outputs status from T48 Noise Supression
>
> Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
> Acked-by: Benson Leung <bleung@chromium.org>
> Acked-by: Yufeng Shen <miletus@chromium.org>
> (cherry picked from ndyer/linux/for-upstream commit 2895a6ff150a49f27a02938f8d262be238b296d8)
> Signed-off-by: George G. Davis <george_davis@mentor.com>
> Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
> ---
> drivers/input/touchscreen/atmel_mxt_ts.c | 25 ++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index 7e6a66e3e1e0..a53985a7736f 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -324,6 +324,7 @@ struct mxt_data {
> u16 T18_address;
> u8 T19_reportid;
> u16 T44_address;
> + u8 T48_reportid;
> u8 T100_reportid_min;
> u8 T100_reportid_max;
>
> @@ -978,6 +979,24 @@ static void mxt_proc_t100_message(struct mxt_data *data, u8 *message)
> data->update_input = true;
> }
>
> +static int mxt_proc_t48_messages(struct mxt_data *data, u8 *msg)
> +{
> + struct device *dev = &data->client->dev;
> + u8 status, state;
> +
> + status = msg[1];
> + state = msg[4];
> +
> + dev_dbg(dev, "T48 state %d status %02X %s%s%s%s%s\n", state, status,
> + status & 0x01 ? "FREQCHG " : "",
> + status & 0x02 ? "APXCHG " : "",
> + status & 0x04 ? "ALGOERR " : "",
> + status & 0x10 ? "STATCHG " : "",
> + status & 0x20 ? "NLVLCHG " : "");

Should we define symbolic names for these bits, like you did for T42
in the next patch?

Thanks.

--
Dmitry