Later IdeaPads report various things in last 8 bits of _CFG, at least
5 of them represent supported on-screen-displays. Add those bit numbers
to the enum, and use CFG_OSD_ as prefix of their names. Also expose
the values of these bits to debugfs, since they can be useful.
Signed-off-by: Eray Orçunus <erayorcunus@xxxxxxxxx>
---
drivers/platform/x86/ideapad-laptop.c | 33 +++++++++++++++++++++++----
1 file changed, 29 insertions(+), 4 deletions(-)
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 0ef40b88b240..f3d4f2beda07 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -46,10 +46,22 @@ static const char *const ideapad_wmi_fnesc_events[] = {
#endif
enum {
- CFG_CAP_BT_BIT = 16,
- CFG_CAP_3G_BIT = 17,
- CFG_CAP_WIFI_BIT = 18,
- CFG_CAP_CAM_BIT = 19,
+ CFG_CAP_BT_BIT = 16,
+ CFG_CAP_3G_BIT = 17,
+ CFG_CAP_WIFI_BIT = 18,
+ CFG_CAP_CAM_BIT = 19,
+
+ /*
+ * These are OnScreenDisplay support bits that can be useful to determine
+ * whether a hotkey exists/should show OSD. But they aren't particularly
+ * meaningful since they were introduced later, i.e. 2010 IdeaPads
+ * don't have these, but they still have had OSD for hotkeys.
+ */
+ CFG_OSD_NUMLK_BIT = 27,
+ CFG_OSD_CAPSLK_BIT = 28,
+ CFG_OSD_MICMUTE_BIT = 29,
+ CFG_OSD_TOUCHPAD_BIT = 30,
+ CFG_OSD_CAM_BIT = 31,
};
enum {
@@ -368,6 +380,19 @@ static int debugfs_cfg_show(struct seq_file *s, void *data)
seq_puts(s, " camera");
seq_puts(s, "\n");
+ seq_puts(s, "OSD support:");
+ if (test_bit(CFG_OSD_NUMLK_BIT, &priv->cfg))
+ seq_puts(s, " num-lock");
+ if (test_bit(CFG_OSD_CAPSLK_BIT, &priv->cfg))
+ seq_puts(s, " caps-lock");
+ if (test_bit(CFG_OSD_MICMUTE_BIT, &priv->cfg))
+ seq_puts(s, " mic-mute");
+ if (test_bit(CFG_OSD_TOUCHPAD_BIT, &priv->cfg))
+ seq_puts(s, " touchpad");
+ if (test_bit(CFG_OSD_CAM_BIT, &priv->cfg))
+ seq_puts(s, " camera");
+ seq_puts(s, "\n");
+
seq_puts(s, "Graphics: ");
switch (priv->cfg & 0x700) {
case 0x100:
--
2.34.1
