diff options
Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 108 |
1 files changed, 79 insertions, 29 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index b881044b31b0..0d9e2ddbf904 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -4081,13 +4081,19 @@ static bool hotkey_notify_6xxx(const u32 hkey, case TP_HKEY_EV_KEY_NUMLOCK: case TP_HKEY_EV_KEY_FN: - case TP_HKEY_EV_KEY_FN_ESC: /* key press events, we just ignore them as long as the EC * is still reporting them in the normal keyboard stream */ *send_acpi_ev = false; *ignore_acpi_ev = true; return true; + case TP_HKEY_EV_KEY_FN_ESC: + /* Get the media key status to foce the status LED to update */ + acpi_evalf(hkey_handle, NULL, "GMKS", "v"); + *send_acpi_ev = false; + *ignore_acpi_ev = true; + return true; + case TP_HKEY_EV_TABLET_CHANGED: tpacpi_input_send_tabletsw(); hotkey_tablet_mode_notify_change(); @@ -9845,6 +9851,11 @@ static struct ibm_struct lcdshadow_driver_data = { * Thinkpad sensor interfaces */ +#define DYTC_CMD_QUERY 0 /* To get DYTC status - enable/revision */ +#define DYTC_QUERY_ENABLE_BIT 8 /* Bit 8 - 0 = disabled, 1 = enabled */ +#define DYTC_QUERY_SUBREV_BIT 16 /* Bits 16 - 27 - sub revision */ +#define DYTC_QUERY_REV_BIT 28 /* Bits 28 - 31 - revision */ + #define DYTC_CMD_GET 2 /* To get current IC function and mode */ #define DYTC_GET_LAPMODE_BIT 17 /* Set when in lapmode */ @@ -9855,6 +9866,7 @@ static bool has_palmsensor; static bool has_lapsensor; static bool palm_state; static bool lap_state; +static int dytc_version; static int dytc_command(int command, int *output) { @@ -9869,6 +9881,33 @@ static int dytc_command(int command, int *output) return 0; } +static int dytc_get_version(void) +{ + int err, output; + + /* Check if we've been called before - and just return cached value */ + if (dytc_version) + return dytc_version; + + /* Otherwise query DYTC and extract version information */ + err = dytc_command(DYTC_CMD_QUERY, &output); + /* + * If support isn't available (ENODEV) then don't return an error + * and don't create the sysfs group + */ + if (err == -ENODEV) + return 0; + /* For all other errors we can flag the failure */ + if (err) + return err; + + /* Check DYTC is enabled and supports mode setting */ + if (output & BIT(DYTC_QUERY_ENABLE_BIT)) + dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF; + + return 0; +} + static int lapsensor_get(bool *present, bool *state) { int output, err; @@ -9974,7 +10013,18 @@ static int tpacpi_proxsensor_init(struct ibm_init_struct *iibm) if (err) return err; } - if (has_lapsensor) { + + /* Check if we know the DYTC version, if we don't then get it */ + if (!dytc_version) { + err = dytc_get_version(); + if (err) + return err; + } + /* + * Platforms before DYTC version 5 claim to have a lap sensor, but it doesn't work, so we + * ignore them + */ + if (has_lapsensor && (dytc_version >= 5)) { err = sysfs_create_file(&tpacpi_pdev->dev.kobj, &dev_attr_dytc_lapmode.attr); if (err) return err; @@ -9999,14 +10049,9 @@ static struct ibm_struct proxsensor_driver_data = { * DYTC Platform Profile interface */ -#define DYTC_CMD_QUERY 0 /* To get DYTC status - enable/revision */ #define DYTC_CMD_SET 1 /* To enable/disable IC function mode */ #define DYTC_CMD_RESET 0x1ff /* To reset back to default */ -#define DYTC_QUERY_ENABLE_BIT 8 /* Bit 8 - 0 = disabled, 1 = enabled */ -#define DYTC_QUERY_SUBREV_BIT 16 /* Bits 16 - 27 - sub revision */ -#define DYTC_QUERY_REV_BIT 28 /* Bits 28 - 31 - revision */ - #define DYTC_GET_FUNCTION_BIT 8 /* Bits 8-11 - function setting */ #define DYTC_GET_MODE_BIT 12 /* Bits 12-15 - mode setting */ @@ -10142,8 +10187,13 @@ static int dytc_profile_set(struct platform_profile_handler *pprof, return err; if (profile == PLATFORM_PROFILE_BALANCED) { - /* To get back to balanced mode we just issue a reset command */ - err = dytc_command(DYTC_CMD_RESET, &output); + /* + * To get back to balanced mode we need to issue a reset command. + * Note we still need to disable CQL mode before hand and re-enable + * it afterwards, otherwise dytc_lapmode gets reset to 0 and stays + * stuck at 0 for aprox. 30 minutes. + */ + err = dytc_cql_command(DYTC_CMD_RESET, &output); if (err) goto unlock; } else { @@ -10211,28 +10261,28 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm) if (err) return err; + /* Check if we know the DYTC version, if we don't then get it */ + if (!dytc_version) { + err = dytc_get_version(); + if (err) + return err; + } /* Check DYTC is enabled and supports mode setting */ - if (output & BIT(DYTC_QUERY_ENABLE_BIT)) { - /* Only DYTC v5.0 and later has this feature. */ - int dytc_version; - - dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF; - if (dytc_version >= 5) { - dbg_printk(TPACPI_DBG_INIT, - "DYTC version %d: thermal mode available\n", dytc_version); - /* Create platform_profile structure and register */ - err = platform_profile_register(&dytc_profile); - /* - * If for some reason platform_profiles aren't enabled - * don't quit terminally. - */ - if (err) - return 0; + if (dytc_version >= 5) { + dbg_printk(TPACPI_DBG_INIT, + "DYTC version %d: thermal mode available\n", dytc_version); + /* Create platform_profile structure and register */ + err = platform_profile_register(&dytc_profile); + /* + * If for some reason platform_profiles aren't enabled + * don't quit terminally. + */ + if (err) + return 0; - dytc_profile_available = true; - /* Ensure initial values are correct */ - dytc_profile_refresh(); - } + dytc_profile_available = true; + /* Ensure initial values are correct */ + dytc_profile_refresh(); } return 0; } |