From: Bernhard Froemel <froemel@xxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxx>
---
drivers/platform/x86/apple-gmux.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index c38538e..0e43477 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -463,18 +463,22 @@ 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;
--
1.7.9.5
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