diff options
Diffstat (limited to 'drivers/bluetooth/hci_bcm.c')
| -rw-r--r-- | drivers/bluetooth/hci_bcm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 0200eff12bc9..f8f5c593a05c 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -122,6 +122,7 @@ struct bcm_device { bool is_suspended; #endif bool no_early_set_baudrate; + u8 pcm_int_params[5]; }; /* generic bcm uart resources */ @@ -594,6 +595,16 @@ static int bcm_setup(struct hci_uart *hu) host_set_baudrate(hu, speed); } + /* PCM parameters if provided */ + if (bcm->dev && bcm->dev->pcm_int_params[0] != 0xff) { + struct bcm_set_pcm_int_params params; + + btbcm_read_pcm_int_params(hu->hdev, ¶ms); + + memcpy(¶ms, bcm->dev->pcm_int_params, 5); + btbcm_write_pcm_int_params(hu->hdev, ¶ms); + } + finalize: release_firmware(fw); @@ -1131,6 +1142,8 @@ static int bcm_acpi_probe(struct bcm_device *dev) static int bcm_of_probe(struct bcm_device *bdev) { device_property_read_u32(bdev->dev, "max-speed", &bdev->oper_speed); + device_property_read_u8_array(bdev->dev, "brcm,bt-pcm-int-params", + bdev->pcm_int_params, 5); return 0; } @@ -1146,6 +1159,9 @@ static int bcm_probe(struct platform_device *pdev) dev->dev = &pdev->dev; dev->irq = platform_get_irq(pdev, 0); + /* Initialize routing field to an unused value */ + dev->pcm_int_params[0] = 0xff; + if (has_acpi_companion(&pdev->dev)) { ret = bcm_acpi_probe(dev); if (ret) @@ -1406,6 +1422,9 @@ static int bcm_serdev_probe(struct serdev_device *serdev) bcmdev->serdev_hu.serdev = serdev; serdev_device_set_drvdata(serdev, bcmdev); + /* Initialize routing field to an unused value */ + bcmdev->pcm_int_params[0] = 0xff; + if (has_acpi_companion(&serdev->dev)) err = bcm_acpi_probe(bcmdev); else |