Messages in this thread Patch in this message | | | From | Ricardo Ribalda Delgado <> | Subject | [PATCHv4 3/6] input/cma3000_d0x: Keep configuration on poweroff | Date | Mon, 24 Oct 2011 22:21:13 +0200 |
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When the device goes to poweroff keep the spi/i2c configuration. Otherwhise the device could not wake up if it was in spi mode.
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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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