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author | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:26 -0700 |
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committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:26 -0700 |
commit | ee95f4059a833839bf52972191b2d4c3d3cec552 (patch) | |
tree | a1c8587d9b82e64a75dde376a90a3d69b0f4847a /drivers/input/touchscreen/elants_i2c.c | |
parent | Merge branch 'for-4.16/dax' into libnvdimm-for-next (diff) | |
parent | nfit-test: Add platform cap support from ACPI 6.2a to test (diff) | |
download | linux-dev-ee95f4059a833839bf52972191b2d4c3d3cec552.tar.xz linux-dev-ee95f4059a833839bf52972191b2d4c3d3cec552.zip |
Merge branch 'for-4.16/nfit' into libnvdimm-for-next
Diffstat (limited to 'drivers/input/touchscreen/elants_i2c.c')
-rw-r--r-- | drivers/input/touchscreen/elants_i2c.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index e102d7764bc2..a458e5ec9e41 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -27,6 +27,7 @@ #include <linux/module.h> #include <linux/input.h> #include <linux/interrupt.h> +#include <linux/irq.h> #include <linux/platform_device.h> #include <linux/async.h> #include <linux/i2c.h> @@ -1261,10 +1262,13 @@ static int elants_i2c_probe(struct i2c_client *client, } /* - * Systems using device tree should set up interrupt via DTS, - * the rest will use the default falling edge interrupts. + * Platform code (ACPI, DTS) should normally set up interrupt + * for us, but in case it did not let's fall back to using falling + * edge to be compatible with older Chromebooks. */ - irqflags = client->dev.of_node ? 0 : IRQF_TRIGGER_FALLING; + irqflags = irq_get_trigger_type(client->irq); + if (!irqflags) + irqflags = IRQF_TRIGGER_FALLING; error = devm_request_threaded_irq(&client->dev, client->irq, NULL, elants_i2c_irq, |