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

From: Sudip Mukherjee
Date: Tue Sep 29 2015 - 02:48:48 EST


On Mon, Sep 28, 2015 at 03:43:04PM -0700, Dmitry Torokhov wrote:
> 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?
maybe some copy paste error. I thought it might have been
cyapa->electrodes_ry but there is nothing like that.

regards
sudip
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