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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

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Pull input updates from Dmitry Torokhov:
 - new driver for eGalaxTouch serial touchscreen
 - new driver for TS-4800 touchscreen
 - an update for Goodix touchscreen driver
 - PS/2 mouse module was reworked to limit number of protocols we try on
   pass-through ports to speed up their detection time
 - wacom_w8001 touchscreen driver now reports pen and touch via separate
   instances of input devices
 - other driver changes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (42 commits)
  Input: elantech - mark protocols v2 and v3 as semi-mt
  Input: wacom_w8001 - drop use of ABS_MT_TOOL_TYPE
  Input: gpio-keys - fix check for disabling unsupported keys
  Input: omap-keypad - remove dead check
  Input: ti_am335x_tsc - fix HWPEN interrupt handling
  Input: omap-keypad - set tasklet data earlier
  Input: rohm_bu21023 - fix handling of retrying firmware update
  Input: ALPS - report v3 pinnacle trackstick device only if is present
  Input: ALPS - detect trackstick presence for v7 protocol
  Input: pcap_ts - use to_delayed_work
  Input: bma150 - constify bma150_cfg structure
  Input: i8042 - add Fujitsu Lifebook U745 to the nomux list
  Input: egalax_ts_serial - fix potential NULL dereference on error
  Input: uinput - sanity check on ff_effects_max and EV_FF
  Input: uinput - rework ABS validation
  Input: uinput - add new UINPUT_DEV_SETUP and UI_ABS_SETUP ioctl
  Input: goodix - use "inverted_[xy]" flags instead of "rotated_screen"
  Input: goodix - add axis swapping and axis inversion support
  Input: goodix - use goodix_i2c_write_u8 instead of i2c_master_send
  Input: goodix - add power management support
  ...
This commit is contained in:
Linus Torvalds
2016-01-13 11:14:05 -08:00
parent d6a322774c 009f773836
commit 1c5ff2ab7b
33 changed files with 1902 additions and 657 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/gpio/gpiolib-acpi.c
View File

@@ -943,3 +943,46 @@ int acpi_gpio_count(struct device *dev, const char *con_id)
}
return count;
}
struct acpi_crs_lookup {
struct list_head node;
struct acpi_device *adev;
const char *con_id;
};
static DEFINE_MUTEX(acpi_crs_lookup_lock);
static LIST_HEAD(acpi_crs_lookup_list);
bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id)
{
struct acpi_crs_lookup *l, *lookup = NULL;
/* Never allow fallback if the device has properties */
if (adev->data.properties || adev->driver_gpios)
return false;
mutex_lock(&acpi_crs_lookup_lock);
list_for_each_entry(l, &acpi_crs_lookup_list, node) {
if (l->adev == adev) {
lookup = l;
break;
}
}
if (!lookup) {
lookup = kmalloc(sizeof(*lookup), GFP_KERNEL);
if (lookup) {
lookup->adev = adev;
lookup->con_id = con_id;
list_add_tail(&lookup->node, &acpi_crs_lookup_list);
}
}
mutex_unlock(&acpi_crs_lookup_lock);
return lookup &&
((!lookup->con_id && !con_id) ||
(lookup->con_id && con_id &&
strcmp(lookup->con_id, con_id) == 0));
}