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path: root/drivers/input/misc/iqs7222.c
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Diffstat (limited to 'drivers/input/misc/iqs7222.c')
-rw-r--r--drivers/input/misc/iqs7222.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/input/misc/iqs7222.c b/drivers/input/misc/iqs7222.c
index 80b917944b51..6fac31c0d99f 100644
--- a/drivers/input/misc/iqs7222.c
+++ b/drivers/input/misc/iqs7222.c
@@ -301,6 +301,7 @@ struct iqs7222_dev_desc {
int allow_offset;
int event_offset;
int comms_offset;
+ int ext_chan;
bool legacy_gesture;
struct iqs7222_reg_grp_desc reg_grps[IQS7222_NUM_REG_GRPS];
};
@@ -315,6 +316,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = {
.allow_offset = 9,
.event_offset = 10,
.comms_offset = 12,
+ .ext_chan = 10,
.reg_grps = {
[IQS7222_REG_GRP_STAT] = {
.base = IQS7222_SYS_STATUS,
@@ -373,6 +375,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = {
.allow_offset = 9,
.event_offset = 10,
.comms_offset = 12,
+ .ext_chan = 10,
.legacy_gesture = true,
.reg_grps = {
[IQS7222_REG_GRP_STAT] = {
@@ -2244,7 +2247,7 @@ static int iqs7222_parse_chan(struct iqs7222_private *iqs7222,
const struct iqs7222_dev_desc *dev_desc = iqs7222->dev_desc;
struct i2c_client *client = iqs7222->client;
int num_chan = dev_desc->reg_grps[IQS7222_REG_GRP_CHAN].num_row;
- int ext_chan = rounddown(num_chan, 10);
+ int ext_chan = dev_desc->ext_chan ? : num_chan;
int error, i;
u16 *chan_setup = iqs7222->chan_setup[chan_index];
u16 *sys_setup = iqs7222->sys_setup;
@@ -2445,7 +2448,7 @@ static int iqs7222_parse_sldr(struct iqs7222_private *iqs7222,
const struct iqs7222_dev_desc *dev_desc = iqs7222->dev_desc;
struct i2c_client *client = iqs7222->client;
int num_chan = dev_desc->reg_grps[IQS7222_REG_GRP_CHAN].num_row;
- int ext_chan = rounddown(num_chan, 10);
+ int ext_chan = dev_desc->ext_chan ? : num_chan;
int count, error, reg_offset, i;
u16 *event_mask = &iqs7222->sys_setup[dev_desc->event_offset];
u16 *sldr_setup = iqs7222->sldr_setup[sldr_index];