[PATCH 1/2] Add platform data of pcap7200 touch panel device.
Matt Hsu
matt_hsu at openmoko.org
Mon Feb 9 09:04:50 CET 2009
The following two features are added as platform data.
- externel reset
- operating mode
Signed-off-by: Matt Hsu <matt_hsu at openmoko.org>
---
drivers/input/touchscreen/pcap7200_ts.c | 12 +++++++++++-
include/linux/pcap7200.h | 5 +++++
2 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/drivers/input/touchscreen/pcap7200_ts.c b/drivers/input/touchscreen/pcap7200_ts.c
index 730ee32..70f7d89 100644
--- a/drivers/input/touchscreen/pcap7200_ts.c
+++ b/drivers/input/touchscreen/pcap7200_ts.c
@@ -161,8 +161,9 @@ pcap7200_probe(struct i2c_client *client, const struct i2c_device_id *ids)
struct pcap7200_data *pcap;
struct input_dev *input_dev;
int err;
+ struct pcap7200_platform_data *pdata = client->dev.platform_data;
- /* allocat pcap7200 data */
+ /* allocate pcap7200 data */
pcap = kzalloc(sizeof(struct pcap7200_data), GFP_KERNEL);
if (!pcap)
return -ENOMEM;
@@ -172,6 +173,15 @@ pcap7200_probe(struct i2c_client *client, const struct i2c_device_id *ids)
mutex_init(&pcap->lock);
+ /* reset */
+ if (pdata->reset) {
+ pdata->reset();
+ dev_dbg(&client->dev, "hard reset\n");
+ }
+
+ /* operating mode */
+ __set_op_mode(pcap, pdata->mode);
+
/* initialize input device */
input_dev = input_allocate_device();
if (!input_dev) {
diff --git a/include/linux/pcap7200.h b/include/linux/pcap7200.h
index f52ba15..0fafb86 100644
--- a/include/linux/pcap7200.h
+++ b/include/linux/pcap7200.h
@@ -17,4 +17,9 @@ enum gesture {
SND_SLIDE,
};
+struct pcap7200_platform_data {
+ enum op_mode mode;
+ void (*reset)(void);
+};
+
#endif /* _LINUX_PCPA7200_H */
--
1.5.6.5
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