Re: [PATCH] Input: cyapa: remove variable overwriting

From: Dmitry Torokhov
Date: Mon Sep 28 2015 - 18:43:12 EST


Hi Sudip,

On Tue, Sep 15, 2015 at 3:06 AM, Sudip Mukherjee
<sudipm.mukherjee@xxxxxxxxx> wrote:
> Even if rotat_align is true or false the final value of
> cyapa->electrodes_rx is always cyapa->electrodes_y. remove the variable
> overwriting and in the process remove the variable rotat_align which is
> not required any more.
>
> Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
> ---
> drivers/input/mouse/cyapa_gen6.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c
> index 5f19107..f0c614b 100644
> --- a/drivers/input/mouse/cyapa_gen6.c
> +++ b/drivers/input/mouse/cyapa_gen6.c
> @@ -196,7 +196,6 @@ static int cyapa_gen6_read_sys_info(struct cyapa *cyapa)
> u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH];
> int resp_len;
> u16 product_family;
> - u8 rotat_align;
> int error;
>
> /* Get App System Information to determine Gen5 or Gen6. */
> @@ -241,14 +240,7 @@ static int cyapa_gen6_read_sys_info(struct cyapa *cyapa)
> memcpy(&cyapa->product_id[13], &resp_data[62], 2);
> cyapa->product_id[15] = '\0';
>
> - rotat_align = resp_data[68];
> - if (rotat_align) {
> - cyapa->electrodes_rx = cyapa->electrodes_y;
> - cyapa->electrodes_rx = cyapa->electrodes_y;
> - } else {
> - cyapa->electrodes_rx = cyapa->electrodes_x;
> - cyapa->electrodes_rx = cyapa->electrodes_y;
> - }
> + cyapa->electrodes_rx = cyapa->electrodes_y;

II think it was probably a typo rather than rotat_align being not
needed. Dudley?

Thanks.

--
Dmitry
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