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| author | Bernhard Froemel <froemel@vmars.tuwien.ac.at> | 2012-08-25 12:30:49 +0400 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2012-09-14 00:46:29 +0400 |
| commit | 07f377da7e8a7d3c3a6626333516f9c808637c9e (patch) | |
| tree | aeff130c85d5276181a485cb937eb1ca23a29c7d | |
| parent | 5b716ac728bcc01b1f2a7ed6e437196602237c27 (diff) | |
| download | linux-07f377da7e8a7d3c3a6626333516f9c808637c9e.tar.xz | |
apple-gmux: Obtain version info from indexed gmux
This patch extracts and displays version information from the indexed
gmux device as it is also done for the classic gmux device.
Signed-off-by: Bernhard Froemel <froemel@vmars.tuwien.ac.at>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
| -rw-r--r-- | drivers/platform/x86/apple-gmux.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index dfb1a92ce949..c9558d1ea88c 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -461,18 +461,22 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, ver_release = gmux_read8(gmux_data, GMUX_PORT_VERSION_RELEASE); if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) { if (gmux_is_indexed(gmux_data)) { + u32 version; mutex_init(&gmux_data->index_lock); gmux_data->indexed = true; + version = gmux_read32(gmux_data, + GMUX_PORT_VERSION_MAJOR); + ver_major = (version >> 24) & 0xff; + ver_minor = (version >> 16) & 0xff; + ver_release = (version >> 8) & 0xff; } else { pr_info("gmux device not present\n"); ret = -ENODEV; goto err_release; } - pr_info("Found indexed gmux\n"); - } else { - pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor, - ver_release); } + pr_info("Found gmux version %d.%d.%d [%s]\n", ver_major, ver_minor, + ver_release, (gmux_data->indexed ? "indexed" : "classic")); memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_PLATFORM; |