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HID: cp2112: Configure I2C bus speed from firmware

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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 <andriy.shevchenko@linux.intel.com>
Signed-off-by: Danny Kaehn <danny.kaehn@plexus.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Danny Kaehn
2026-05-20 11:13:07 -05:00
committed by Jiri Kosina
parent c0be05f68a
commit efab84c398
1 changed files with 4 additions and 0 deletions
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4
drivers/hid/hid-cp2112.c
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@@ -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),