linux-kernel - [PATCH 5.14 254/849] brcmfmac: Add DMI nvram filename quirk for Cyberbook T116 tablet

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Message-Id: <20211115165428.830141254@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 17:55:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 254/849] brcmfmac: Add DMI nvram filename quirk for Cyberbook T116 tablet

From: Hans de Goede <hdegoede@...hat.com>

[ Upstream commit 49c3eb3036e6359c5c20fe76c611a2c0e0d4710e ]

The Cyberbook T116 tablet contains quite generic names in the sys_vendor
and product_name DMI strings, without this patch brcmfmac will try to load:
"brcmfmac43455-sdio.Default string-Default string.txt" as nvram file which
is way too generic.

The nvram file shipped on the factory Android image contains the exact
same settings as those used on the AcePC T8 mini PC, so point the new
DMI nvram filename quirk to the acepc-t8 nvram file.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Link: https://lore.kernel.org/r/20210928160633.96928-1-hdegoede@redhat.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
index 6d5188b78f2de..0af452dca7664 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
@@ -75,6 +75,16 @@ static const struct dmi_system_id dmi_platform_data[] = {
 		},
 		.driver_data = (void *)&acepc_t8_data,
 	},
+	{
+		/* Cyberbook T116 rugged tablet */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"),
+			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"),
+		},
+		/* The factory image nvram file is identical to the ACEPC T8 one */
+		.driver_data = (void *)&acepc_t8_data,
+	},
 	{
 		/* Match for the GPDwin which unfortunately uses somewhat
 		 * generic dmi strings, which is why we test for 4 strings.
-- 
2.33.0