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| author | Angel Pons <th3fanbus@gmail.com> | 2020-12-05 18:32:05 +0100 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2020-12-17 13:54:57 +0000 |
| commit | f23c6a8ff5f093476633156d8dff782080335bb0 (patch) | |
| tree | 0e514c160131f0bb481becf49fbdb6bf3dc19315 /src | |
| parent | d3f7028993de959d7592acd564ffacf601709e89 (diff) | |
device/azalia_device.c: Clarify comment
The `4` here doesn't have to do with the size of u32. Instead, it is
because the verb header contains the number of jacks, which is the
number of four-verb groups.
Change-Id: I3956ce5ec2a7abc29982504cf75b262a1c098af5
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48352
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/device/azalia_device.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/device/azalia_device.c b/src/device/azalia_device.c index e46c27f7b0..ab370f95d7 100644 --- a/src/device/azalia_device.c +++ b/src/device/azalia_device.c @@ -115,7 +115,8 @@ u32 azalia_find_verb(const u32 *verb_table, u32 verb_table_bytes, u32 viddid, co int idx = 0; while (idx < (verb_table_bytes / sizeof(u32))) { - u32 verb_size = 4 * verb_table[idx + 2]; // in u32 + /* Header contains the number of jacks, aka groups of 4 dwords */ + u32 verb_size = 4 * verb_table[idx + 2]; if (verb_table[idx] != viddid) { idx += verb_size + 3; // skip verb + header continue; |