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| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-23 07:59:19 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-23 07:59:19 -0300 |
| commit | c278256d05a2fc75b427fa6a5dc0024faa93465d (patch) | |
| tree | 2c09c6c65a4b6c597a568ec2425adb75eff7d5d5 /drivers/acpi/ec.c | |
| parent | 7e5b7d1b3a8facd4dc1ddb5d9ec53c0687d13de7 (diff) | |
| parent | 009a620848218d521f008141c62f56bf19294dd9 (diff) | |
Merge branch 'patchwork' into topic/docs-next
* patchwork: (1492 commits)
[media] cec: always check all_device_types and features
[media] cec: poll should check if there is room in the tx queue
[media] vivid: support monitor all mode
[media] cec: fix test for unconfigured adapter in main message loop
[media] cec: limit the size of the transmit queue
[media] cec: zero unused msg part after msg->len
[media] cec: don't set fh to NULL in CEC_TRANSMIT
[media] cec: clear all status fields before transmit and always fill in sequence
[media] cec: CEC_RECEIVE overwrote the timeout field
[media] cxd2841er: Reading SNR for DVB-C added
[media] cxd2841er: Reading BER and UCB for DVB-C added
[media] cxd2841er: fix switch-case for DVB-C
[media] cxd2841er: fix signal strength scale for ISDB-T
[media] cxd2841er: adjust the dB scale for DVB-C
[media] cxd2841er: provide signal strength for DVB-C
[media] cxd2841er: fix BER report via DVBv5 stats API
[media] mb86a20s: apply mask to val after checking for read failure
[media] airspy: fix error logic during device register
[media] s5p-cec/TODO: add TODO item
[media] cec/TODO: drop comment about sphinx documentation
...
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 0e70181f150c..73c76d646064 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1446,10 +1446,30 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context) return AE_OK; } -int __init acpi_boot_ec_enable(void) +static const struct acpi_device_id ec_device_ids[] = { + {"PNP0C09", 0}, + {"", 0}, +}; + +int __init acpi_ec_dsdt_probe(void) { - if (!boot_ec) + acpi_status status; + + if (boot_ec) return 0; + + /* + * Finding EC from DSDT if there is no ECDT EC available. When this + * function is invoked, ACPI tables have been fully loaded, we can + * walk namespace now. + */ + boot_ec = make_acpi_ec(); + if (!boot_ec) + return -ENOMEM; + status = acpi_get_devices(ec_device_ids[0].id, + ec_parse_device, boot_ec, NULL); + if (ACPI_FAILURE(status) || !boot_ec->handle) + return -ENODEV; if (!ec_install_handlers(boot_ec)) { first_ec = boot_ec; return 0; @@ -1457,11 +1477,6 @@ int __init acpi_boot_ec_enable(void) return -EFAULT; } -static const struct acpi_device_id ec_device_ids[] = { - {"PNP0C09", 0}, - {"", 0}, -}; - #if 0 /* * Some EC firmware variations refuses to respond QR_EC when SCI_EVT is not |