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Input updates for v5.18-rc7 

- fix reset timing of Ilitek touchscreens
 
 - update maintainer entry of DT binding of Mediatek 6779 keypad
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Merge tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:
 "A small fixup to ili210x touchscreen driver, and updated maintainer
  entry for the device tree binding of Mediatek 6779 keypad:

   - fix reset timing of Ilitek touchscreens

   - update maintainer entry of DT binding of Mediatek 6779 keypad"

* tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: ili210x - use one common reset implementation
  Input: ili210x - fix reset timing
  dt-bindings: input: mediatek,mt6779-keypad: update maintainer
This commit is contained in:
Linus Torvalds 2022-05-21 13:58:43 -10:00
parent 36ed2da76b b26ff91371
commit 4c493b1a41
2 changed files with 9 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
View File

@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek's Keypad Controller device tree bindings
maintainers:
- Fengping Yu <fengping.yu@mediatek.com>
- Mattijs Korpershoek <mkorpershoek@baylibre.com>
allOf:
- $ref: "/schemas/input/matrix-keymap.yaml#"

20
drivers/input/touchscreen/ili210x.c
View File

@ -756,15 +756,12 @@ static int ili251x_firmware_reset(struct i2c_client *client)
return ili251x_firmware_busy(client);
}
static void ili251x_hardware_reset(struct device *dev)
static void ili210x_hardware_reset(struct gpio_desc *reset_gpio)
{
struct i2c_client *client = to_i2c_client(dev);
struct ili210x *priv = i2c_get_clientdata(client);
/* Reset the controller */
gpiod_set_value_cansleep(priv->reset_gpio, 1);
usleep_range(10000, 15000);
gpiod_set_value_cansleep(priv->reset_gpio, 0);
gpiod_set_value_cansleep(reset_gpio, 1);
usleep_range(12000, 15000);
gpiod_set_value_cansleep(reset_gpio, 0);
msleep(300);
}
@ -773,6 +770,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct ili210x *priv = i2c_get_clientdata(client);
const char *fwname = ILI251X_FW_FILENAME;
const struct firmware *fw;
u16 ac_end, df_end;
@ -803,7 +801,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
dev_dbg(dev, "Firmware update started, firmware=%s\n", fwname);
ili251x_hardware_reset(dev);
ili210x_hardware_reset(priv->reset_gpio);
error = ili251x_firmware_reset(client);
if (error)
@ -858,7 +856,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
error = count;
exit:
ili251x_hardware_reset(dev);
ili210x_hardware_reset(priv->reset_gpio);
dev_dbg(dev, "Firmware update ended, error=%i\n", error);
enable_irq(client->irq);
kfree(fwbuf);
@ -951,9 +949,7 @@ static int ili210x_i2c_probe(struct i2c_client *client,
if (error)
return error;
usleep_range(50, 100);
gpiod_set_value_cansleep(reset_gpio, 0);
msleep(100);
ili210x_hardware_reset(reset_gpio);
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);