Implement change in logging during screen brightness capabilities detection as suggested in https://www.mail-archive.com/ibm-acpi-devel%40lists.sourceforge.net/msg03484.html Signed-off-by: Ramiro Morales <cramm0@xxxxxxxxx> --- drivers/platform/x86/thinkpad_acpi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 28f3281..b48efc9 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6450,19 +6450,16 @@ static void __init tpacpi_detect_brightness_capabilities(void) switch (b) { case 16: bright_maxlvl = 15; - pr_info("detected a 16-level brightness capable ThinkPad\n"); break; case 8: case 0: bright_maxlvl = 7; - pr_info("detected a 8-level brightness capable ThinkPad\n"); break; default: - pr_err("Unsupported brightness interface, " - "please contact %s\n", TPACPI_MAIL); tp_features.bright_unkfw = 1; bright_maxlvl = b - 1; } + pr_debug("firmware reports %d brightness levels\n", bright_maxlvl); } static int __init brightness_init(struct ibm_init_struct *iibm) @@ -6482,6 +6479,9 @@ static int __init brightness_init(struct ibm_init_struct *iibm) /* if it is unknown, we don't handle it: it wouldn't be safe */ if (tp_features.bright_unkfw) + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT, + "Unsupported brightness mode, use acpi video " + "or gpu drivers"); return 1; if (!brightness_enable) { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html