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Subject[PATCH 3/5] 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.

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 9899742..15577b7 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -44,6 +44,7 @@
#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)

@@ -230,8 +231,11 @@ 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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