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| author | Enric Balletbo i Serra <enric.balletbo@collabora.com> | 2018-04-18 12:24:01 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2018-05-29 09:10:46 +0100 |
| commit | 95a4d07fdecbd52a2e683607d561a200d2522033 (patch) | |
| tree | 3741ee0b9331b1bb8bc42e4f86d0b4f4c7635ec3 /drivers/mfd | |
| parent | 44d99d737279eb2021b2c66df3cee6f8a21ff4e4 (diff) | |
| download | op-kernel-dev-95a4d07fdecbd52a2e683607d561a200d2522033.zip op-kernel-dev-95a4d07fdecbd52a2e683607d561a200d2522033.tar.gz | |
mfd: cros_ec_dev: Register cros-ec-rtc driver as a subdevice
Check whether this EC instance has RTC host command support and instatiate
the RTC driver as a subdevice in such case.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/cros_ec_dev.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index 5a7d4e1..a393b3c 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -383,6 +383,10 @@ error: kfree(msg); } +static const struct mfd_cell cros_ec_rtc_cells[] = { + { .name = "cros-ec-rtc" } +}; + static int ec_device_probe(struct platform_device *pdev) { int retval = -ENOMEM; @@ -422,6 +426,18 @@ static int ec_device_probe(struct platform_device *pdev) if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) cros_ec_sensors_register(ec); + /* Check whether this EC instance has RTC host command support */ + if (cros_ec_check_features(ec, EC_FEATURE_RTC)) { + retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO, + cros_ec_rtc_cells, + ARRAY_SIZE(cros_ec_rtc_cells), + NULL, 0, NULL); + if (retval) + dev_err(ec->dev, + "failed to add cros-ec-rtc device: %d\n", + retval); + } + /* Take control of the lightbar from the EC. */ lb_manual_suspend_ctrl(ec, 1); |
