diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-20 15:59:01 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-20 15:59:01 -0700 |
commit | 7a324b3f0535ceb0f6676fa20ca2a7b6213008cb (patch) | |
tree | 4c03a2f9382ee8264ddbe79a60293f825364fac3 /drivers/hid/i2c-hid/i2c-hid.c | |
parent | 61c4fc1eaf736344904767d201b0d4f7a2ebaf79 (diff) | |
parent | 1429b47bfe98e63421d207aaae8038809c3f90ce (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- touch_max detection improvements and quirk handling fixes in wacom
driver from Jason Gerecke and Ping Cheng
- Palm rejection from Dmitry Torokhov and _dial support from Benjamin
Tissoires for hid-multitouch driver
- Low voltage support for i2c-hid driver from Stephen Boyd
- Guitar-Hero support from Nicolas Adenis-Lamarre
- other assorted small fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (40 commits)
HID: intel_ish-hid: tx_buf memory leak on probe/remove
HID: intel-ish-hid: Prevent loading of driver on Mehlow
HID: cougar: Add support for the Cougar 500k Gaming Keyboard
HID: cougar: make compare_device_paths reusable
HID: intel-ish-hid: remove redundant variable num_frags
HID: multitouch: handle palm for touchscreens
HID: multitouch: touchscreens also use confidence reports
HID: multitouch: report MT_TOOL_PALM for non-confident touches
HID: microsoft: support the Surface Dial
HID: core: do not upper bound the collection stack
HID: input: enable Totem on the Dell Canvas 27
HID: multitouch: remove one copy of values
HID: multitouch: ditch mt_report_id
HID: multitouch: store a per application quirks value
HID: multitouch: Store per collection multitouch data
HID: multitouch: make sure the static list of class is not changed
input: add MT_TOOL_DIAL
HID: elan: Add support for touchpad on the Toshiba Click Mini L9W
HID: elan: Add USB-id for HP x2 10-n000nd touchpad
HID: elan: Add a flag for selecting if the touchpad has a LED
...
Diffstat (limited to 'drivers/hid/i2c-hid/i2c-hid.c')
-rw-r--r-- | drivers/hid/i2c-hid/i2c-hid.c | 57 |
1 files changed, 27 insertions, 30 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index eae0cb3ddec6..2ce194a84868 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -1002,18 +1002,18 @@ static int i2c_hid_probe(struct i2c_client *client, return client->irq; } - ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL); + ihid = devm_kzalloc(&client->dev, sizeof(*ihid), GFP_KERNEL); if (!ihid) return -ENOMEM; if (client->dev.of_node) { ret = i2c_hid_of_probe(client, &ihid->pdata); if (ret) - goto err; + return ret; } else if (!platform_data) { ret = i2c_hid_acpi_pdata(client, &ihid->pdata); if (ret) - goto err; + return ret; } else { ihid->pdata = *platform_data; } @@ -1021,21 +1021,20 @@ static int i2c_hid_probe(struct i2c_client *client, /* Parse platform agnostic common properties from ACPI / device tree */ i2c_hid_fwnode_probe(client, &ihid->pdata); - ihid->pdata.supply = devm_regulator_get(&client->dev, "vdd"); - if (IS_ERR(ihid->pdata.supply)) { - ret = PTR_ERR(ihid->pdata.supply); - if (ret != -EPROBE_DEFER) - dev_err(&client->dev, "Failed to get regulator: %d\n", - ret); - goto err; - } + ihid->pdata.supplies[0].supply = "vdd"; + ihid->pdata.supplies[1].supply = "vddl"; + + ret = devm_regulator_bulk_get(&client->dev, + ARRAY_SIZE(ihid->pdata.supplies), + ihid->pdata.supplies); + if (ret) + return ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ihid->pdata.supplies), + ihid->pdata.supplies); + if (ret < 0) + return ret; - ret = regulator_enable(ihid->pdata.supply); - if (ret < 0) { - dev_err(&client->dev, "Failed to enable regulator: %d\n", - ret); - goto err; - } if (ihid->pdata.post_power_delay_ms) msleep(ihid->pdata.post_power_delay_ms); @@ -1122,11 +1121,9 @@ err_pm: pm_runtime_disable(&client->dev); err_regulator: - regulator_disable(ihid->pdata.supply); - -err: + regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies), + ihid->pdata.supplies); i2c_hid_free_buffers(ihid); - kfree(ihid); return ret; } @@ -1148,9 +1145,8 @@ static int i2c_hid_remove(struct i2c_client *client) if (ihid->bufsize) i2c_hid_free_buffers(ihid); - regulator_disable(ihid->pdata.supply); - - kfree(ihid); + regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies), + ihid->pdata.supplies); return 0; } @@ -1201,9 +1197,8 @@ static int i2c_hid_suspend(struct device *dev) hid_warn(hid, "Failed to enable irq wake: %d\n", wake_status); } else { - ret = regulator_disable(ihid->pdata.supply); - if (ret < 0) - hid_warn(hid, "Failed to disable supply: %d\n", ret); + regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies), + ihid->pdata.supplies); } return 0; @@ -1218,9 +1213,11 @@ static int i2c_hid_resume(struct device *dev) int wake_status; if (!device_may_wakeup(&client->dev)) { - ret = regulator_enable(ihid->pdata.supply); - if (ret < 0) - hid_warn(hid, "Failed to enable supply: %d\n", ret); + ret = regulator_bulk_enable(ARRAY_SIZE(ihid->pdata.supplies), + ihid->pdata.supplies); + if (ret) + hid_warn(hid, "Failed to enable supplies: %d\n", ret); + if (ihid->pdata.post_power_delay_ms) msleep(ihid->pdata.post_power_delay_ms); } else if (ihid->irq_wake_enabled) { |