From: Danny Kaehn Date: Wed, 20 May 2026 16:13:07 +0000 (-0500) Subject: HID: cp2112: Configure I2C bus speed from firmware X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efab84c398c17d2575e8a308c243915baae3affa;p=thirdparty%2Fkernel%2Flinux.git HID: cp2112: Configure I2C bus speed from firmware Now that the I2C adapter on the CP2112 can have an associated firmware node, set the bus speed based on firmware configuration Reviewed-by: Andy Shevchenko Signed-off-by: Danny Kaehn Signed-off-by: Jiri Kosina --- diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index e960fc988058f..04379db93571b 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -1223,6 +1223,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) struct fwnode_handle *cp2112_fwnode; struct fwnode_handle *child; struct gpio_irq_chip *girq; + struct i2c_timings timings; u32 addr; int ret; @@ -1308,6 +1309,9 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_power_normal; } + i2c_parse_fw_timings(&dev->adap.dev, &timings, true); + + config.clock_speed = cpu_to_be32(timings.bus_freq_hz); config.retry_time = cpu_to_be16(1); ret = cp2112_hid_output(hdev, (u8 *)&config, sizeof(config),