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    Subject[PATCHv4 3/6] input/cma3000_d0x: Keep configuration on poweroff
    Date
    When the device goes to poweroff keep the spi/i2c configuration.
    Otherwhise the device could not wake up if it was in spi mode.

    ---

    v2: Fixes suggested by Jonathan Cameron
    -Code Style

    Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
    ---
    drivers/input/misc/cma3000_d0x.c | 6 +++++-
    1 files changed, 5 insertions(+), 1 deletions(-)

    diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
    index 97e36fa..35d2577 100644
    --- a/drivers/input/misc/cma3000_d0x.c
    +++ b/drivers/input/misc/cma3000_d0x.c
    @@ -45,6 +45,7 @@
    #define CMA3000_RANGE2G (1 << 7)
    #define CMA3000_RANGE8G (0 << 7)
    #define CMA3000_BUSI2C (0 << 4)
    +#define CMA3000_BUSSPI (1 << 4)
    #define CMA3000_MODEMASK (7 << 1)
    #define CMA3000_GRANGEMASK (1 << 7)

    @@ -231,8 +232,11 @@ static int cma3000_poweron(struct cma3000_accl_data *data)
    static int cma3000_poweroff(struct cma3000_accl_data *data)
    {
    int ret;
    + u8 ctrl = CMAMODE_POFF;

    - ret = CMA3000_SET(data, CMA3000_CTRL, CMAMODE_POFF, "Mode setting");
    + ctrl |= data->bus_ops->ctrl_mod;
    +
    + ret = CMA3000_SET(data, CMA3000_CTRL, ctrl, "Mode setting");
    msleep(CMA3000_SETDELAY);

    return ret;
    --
    1.7.7


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