aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input/rmi4/rmi_i2c.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2016-12-15 21:36:09 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-12-15 21:36:09 -0800
commitebfb0184ef560897fad35005989e82433419202c (patch)
tree226a8195fdae6c79d90d76baa1cbdaf80f794bb0 /drivers/input/rmi4/rmi_i2c.c
parentInput: imx6ul_tsc - generalize the averaging property (diff)
parentInput: synaptics-rmi4 - add support for F34 V7 bootloader (diff)
downloadlinux-dev-ebfb0184ef560897fad35005989e82433419202c.tar.xz
linux-dev-ebfb0184ef560897fad35005989e82433419202c.zip
Merge branch 'synaptics-rmi4' into next
Merge updated Synaptics RMI4 support, including support for SMBus controllers and flashing firmware.
Diffstat (limited to 'drivers/input/rmi4/rmi_i2c.c')
-rw-r--r--drivers/input/rmi4/rmi_i2c.c74
1 files changed, 5 insertions, 69 deletions
diff --git a/drivers/input/rmi4/rmi_i2c.c b/drivers/input/rmi4/rmi_i2c.c
index 1ebc2c1debae..082306d7c207 100644
--- a/drivers/input/rmi4/rmi_i2c.c
+++ b/drivers/input/rmi4/rmi_i2c.c
@@ -9,7 +9,6 @@
#include <linux/i2c.h>
#include <linux/rmi.h>
-#include <linux/irq.h>
#include <linux/of.h>
#include <linux/delay.h>
#include <linux/regulator/consumer.h>
@@ -35,8 +34,6 @@ struct rmi_i2c_xport {
struct mutex page_mutex;
int page;
- int irq;
-
u8 *tx_buf;
size_t tx_buf_size;
@@ -177,42 +174,6 @@ static const struct rmi_transport_ops rmi_i2c_ops = {
.read_block = rmi_i2c_read_block,
};
-static irqreturn_t rmi_i2c_irq(int irq, void *dev_id)
-{
- struct rmi_i2c_xport *rmi_i2c = dev_id;
- struct rmi_device *rmi_dev = rmi_i2c->xport.rmi_dev;
- int ret;
-
- ret = rmi_process_interrupt_requests(rmi_dev);
- if (ret)
- rmi_dbg(RMI_DEBUG_XPORT, &rmi_dev->dev,
- "Failed to process interrupt request: %d\n", ret);
-
- return IRQ_HANDLED;
-}
-
-static int rmi_i2c_init_irq(struct i2c_client *client)
-{
- struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);
- int irq_flags = irqd_get_trigger_type(irq_get_irq_data(rmi_i2c->irq));
- int ret;
-
- if (!irq_flags)
- irq_flags = IRQF_TRIGGER_LOW;
-
- ret = devm_request_threaded_irq(&client->dev, rmi_i2c->irq, NULL,
- rmi_i2c_irq, irq_flags | IRQF_ONESHOT, client->name,
- rmi_i2c);
- if (ret < 0) {
- dev_warn(&client->dev, "Failed to register interrupt %d\n",
- rmi_i2c->irq);
-
- return ret;
- }
-
- return 0;
-}
-
#ifdef CONFIG_OF
static const struct of_device_id rmi_i2c_of_match[] = {
{ .compatible = "syna,rmi4-i2c" },
@@ -255,8 +216,7 @@ static int rmi_i2c_probe(struct i2c_client *client,
if (!client->dev.of_node && client_pdata)
*pdata = *client_pdata;
- if (client->irq > 0)
- rmi_i2c->irq = client->irq;
+ pdata->irq = client->irq;
rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Probing %s.\n",
dev_name(&client->dev));
@@ -321,10 +281,6 @@ static int rmi_i2c_probe(struct i2c_client *client,
if (retval)
return retval;
- retval = rmi_i2c_init_irq(client);
- if (retval < 0)
- return retval;
-
dev_info(&client->dev, "registered rmi i2c driver at %#04x.\n",
client->addr);
return 0;
@@ -337,18 +293,10 @@ static int rmi_i2c_suspend(struct device *dev)
struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);
int ret;
- ret = rmi_driver_suspend(rmi_i2c->xport.rmi_dev);
+ ret = rmi_driver_suspend(rmi_i2c->xport.rmi_dev, true);
if (ret)
dev_warn(dev, "Failed to resume device: %d\n", ret);
- disable_irq(rmi_i2c->irq);
- if (device_may_wakeup(&client->dev)) {
- ret = enable_irq_wake(rmi_i2c->irq);
- if (!ret)
- dev_warn(dev, "Failed to enable irq for wake: %d\n",
- ret);
- }
-
regulator_bulk_disable(ARRAY_SIZE(rmi_i2c->supplies),
rmi_i2c->supplies);
@@ -368,15 +316,7 @@ static int rmi_i2c_resume(struct device *dev)
msleep(rmi_i2c->startup_delay);
- enable_irq(rmi_i2c->irq);
- if (device_may_wakeup(&client->dev)) {
- ret = disable_irq_wake(rmi_i2c->irq);
- if (!ret)
- dev_warn(dev, "Failed to disable irq for wake: %d\n",
- ret);
- }
-
- ret = rmi_driver_resume(rmi_i2c->xport.rmi_dev);
+ ret = rmi_driver_resume(rmi_i2c->xport.rmi_dev, true);
if (ret)
dev_warn(dev, "Failed to resume device: %d\n", ret);
@@ -391,12 +331,10 @@ static int rmi_i2c_runtime_suspend(struct device *dev)
struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);
int ret;
- ret = rmi_driver_suspend(rmi_i2c->xport.rmi_dev);
+ ret = rmi_driver_suspend(rmi_i2c->xport.rmi_dev, false);
if (ret)
dev_warn(dev, "Failed to resume device: %d\n", ret);
- disable_irq(rmi_i2c->irq);
-
regulator_bulk_disable(ARRAY_SIZE(rmi_i2c->supplies),
rmi_i2c->supplies);
@@ -416,9 +354,7 @@ static int rmi_i2c_runtime_resume(struct device *dev)
msleep(rmi_i2c->startup_delay);
- enable_irq(rmi_i2c->irq);
-
- ret = rmi_driver_resume(rmi_i2c->xport.rmi_dev);
+ ret = rmi_driver_resume(rmi_i2c->xport.rmi_dev, false);
if (ret)
dev_warn(dev, "Failed to resume device: %d\n", ret);