We still need to figure out exactly what each of different fields
represent, but they contain at least model and version informatiosn.

Signed-off-by: Corentin Chary <[email protected]>
---
 drivers/platform/x86/samsung-laptop.c |   32 ++++++++++++++++++++++++++++++++
 1 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/drivers/platform/x86/samsung-laptop.c 
b/drivers/platform/x86/samsung-laptop.c
index 9940525..c03a466 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -326,6 +326,8 @@ struct samsung_laptop {
 
        bool handle_backlight;
        bool has_stepping_quirk;
+
+       char sdiag[64];
 };
 
 
@@ -1239,6 +1241,34 @@ static __init void samsung_sabi_infos(struct 
samsung_laptop *samsung, int loca,
        printk(KERN_DEBUG " SABI pointer = 0x%08x\n", ifaceP);
 }
 
+static void __init samsung_sabi_diag(struct samsung_laptop *samsung)
+{
+       int loca = find_signature(samsung->f0000_segment, "SDiaG@");
+       int i;
+
+       if (loca == 0xffff)
+               return ;
+
+       /* Example:
+        * Ident: @SDiaG@686XX-N90X3A/966-SEC-07HL-S90X3A
+        *
+        * Product name: 90X3A
+        * BIOS Version: 07HL
+        */
+       loca += 1;
+       for (i = 0; loca < 0xffff && i < sizeof(samsung->sdiag) - 1; loca++) {
+               char temp = readb(samsung->f0000_segment + loca);
+
+               if (isalnum(temp) || temp == '/' || temp == '-')
+                       samsung->sdiag[i++] = temp;
+               else
+                       break ;
+       }
+
+       if (samsung->sdiag[0])
+               pr_info("sdiag: %s", samsung->sdiag);
+}
+
 static int __init samsung_sabi_init(struct samsung_laptop *samsung)
 {
        const struct sabi_config *config = NULL;
@@ -1256,6 +1286,8 @@ static int __init samsung_sabi_init(struct samsung_laptop 
*samsung)
                goto exit;
        }
 
+       samsung_sabi_diag(samsung);
+
        /* Try to find one of the signatures in memory to find the header */
        for (i = 0; sabi_configs[i].test_string != 0; ++i) {
                samsung->config = &sabi_configs[i];
-- 
1.7.5.4

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