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hid_apple problem with kernel 5.16.19-76051619-generic #134

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zoof opened this issue Apr 29, 2022 · 1 comment
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hid_apple problem with kernel 5.16.19-76051619-generic #134

zoof opened this issue Apr 29, 2022 · 1 comment

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@zoof
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zoof commented Apr 29, 2022 •
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The swap_fn_leftctrl module option invoked in /etc/modprobe.d/hid_apple.conf:

options hid_apple swap_opt_cmd=1 swap_fn_leftcrtl=1

is not working. The first module option, swap_opt_cmd does work. I also tried separating the options into separate lines. The above file does work in the Debian Bullseye system that Pop!_OS replaced. Checking dmesg shows:

[    2.000711] hid_apple: unknown parameter 'swap_fn_leftcrtl' ignored

On the other hand:

# echo "1" > /sys/module/hid_apple/parameters/swap_fn_leftctrl

does work.
@zoof
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zoof commented Apr 29, 2022

Ah, so stoopid. Typo.

@zoof zoof closed this as completed Apr 29, 2022
jackpot51 pushed a commit that referenced this issue Sep 20, 2023
@pv @gregkh
Bluetooth: ISO: do not emit new LE Create CIS if previous is pending
722b0fb 
[ Upstream commit 7f74563 ]

LE Create CIS command shall not be sent before all CIS Established
events from its previous invocation have been processed. Currently it is
sent via hci_sync but that only waits for the first event, but there can
be multiple.

Make it wait for all events, and simplify the CIS creation as follows:

Add new flag HCI_CONN_CREATE_CIS, which is set if Create CIS has been
sent for the connection but it is not yet completed.

Make BT_CONNECT state to mean the connection wants Create CIS.

On events after which new Create CIS may need to be sent, send it if
possible and some connections need it. These events are:
hci_connect_cis, iso_connect_cfm, hci_cs_le_create_cis,
hci_le_cis_estabilished_evt.

The Create CIS status/completion events shall queue new Create CIS only
if at least one of the connections transitions away from BT_CONNECT, so
that we don't loop if controller is sending bogus events.

This fixes sending multiple CIS Create for the same CIS in the
"ISO AC 6(i) - Success" BlueZ test case:

< HCI Command: LE Create Co.. (0x08|0x0064) plen 9  #129 [hci0]
        Number of CIS: 2
        CIS Handle: 257
        ACL Handle: 42
        CIS Handle: 258
        ACL Handle: 42
> HCI Event: Command Status (0x0f) plen 4           #130 [hci0]
      LE Create Connected Isochronous Stream (0x08|0x0064) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 29           #131 [hci0]
      LE Connected Isochronous Stream Established (0x19)
        Status: Success (0x00)
        Connection Handle: 257
        ...
< HCI Command: LE Setup Is.. (0x08|0x006e) plen 13  #132 [hci0]
        ...
> HCI Event: Command Complete (0x0e) plen 6         #133 [hci0]
      LE Setup Isochronous Data Path (0x08|0x006e) ncmd 1
        ...
< HCI Command: LE Create Co.. (0x08|0x0064) plen 5  #134 [hci0]
        Number of CIS: 1
        CIS Handle: 258
        ACL Handle: 42
> HCI Event: Command Status (0x0f) plen 4           #135 [hci0]
      LE Create Connected Isochronous Stream (0x08|0x0064) ncmd 1
        Status: ACL Connection Already Exists (0x0b)
> HCI Event: LE Meta Event (0x3e) plen 29           #136 [hci0]
      LE Connected Isochronous Stream Established (0x19)
        Status: Success (0x00)
        Connection Handle: 258
        ...

Fixes: c09b80b ("Bluetooth: hci_conn: Fix not waiting for HCI_EVT_LE_CIS_ESTABLISHED")
Signed-off-by: Pauli Virtanen <[email protected]>
Signed-off-by: Luiz Augusto von Dentz <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
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@zoof