@@ -437,18 +437,48 @@ static const struct dmi_system_id disable_broken_read_transmit_power[] = {
{ }
};
+struct bcm_chip_version_table {
+ u8 chip_id; /* Chip ID */
+ u16 baseline; /* Baseline version of patch FW */
+};
+#define BCM_ROMFW_BASELINE_NUM 0xFFFF
+static const struct bcm_chip_version_table disable_broken_read_transmit_power_by_chip_ver[] = {
+ { 0x87, BCM_ROMFW_BASELINE_NUM } /* CYW4373/4373E */
+};
+static bool btbcm_is_disable_broken_read_tx_power_by_chip_ver(u8 chip_id, u16 baseline)
+{
+ int i;
+ size_t table_size = ARRAY_SIZE(disable_broken_read_transmit_power_by_chip_ver);
+ const struct bcm_chip_version_table *entry =
+ &disable_broken_read_transmit_power_by_chip_ver[0];
+
+ for (i = 0 ; i < table_size ; i++, entry++) {
+ if ((chip_id == entry->chip_id) && (baseline == entry->baseline))
+ return true;
+ }
+
+ return false;
+}
+
static int btbcm_read_info(struct hci_dev *hdev)
{
struct sk_buff *skb;
+ u8 chip_id;
+ u16 baseline;
/* Read Verbose Config Version Info */
skb = btbcm_read_verbose_config(hdev);
if (IS_ERR(skb))
return PTR_ERR(skb);
-
+ chip_id = skb->data[1];
+ baseline = skb->data[3] | (skb->data[4] << 8);
bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]);
kfree_skb(skb);
+ /* Check Chip ID and disable broken Read LE Min/Max Tx Power */
+ if (btbcm_is_disable_broken_read_tx_power_by_chip_ver(chip_id, baseline))
+ set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks);
+
return 0;
}
@@ -142,6 +142,10 @@ static const struct usb_device_id btusb_table[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },
+ /* Cypress devices with vendor specific id */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x04b4, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
/* Broadcom devices with vendor specific id */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },