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Subject: media: atomisp: csi2-bridge: Add DMI quirk for OV5693 on Xiaomi Mipad2
Author:  Hans de Goede <hdego...@redhat.com>
Date:    Mon Jun 3 15:20:57 2024 +0200

The OV5693 the Xiaomi Mipad2 is used as a front facing sensor and
as such is connected to CsiPort 0, but the _DSM has CsiPort 1, add
a DMI quirk to override the wrong _DSM setting.

Signed-off-by: Hans de Goede <hdego...@redhat.com>
Reviewed-by: Andy Shevchenko <a...@kernel.org>
Link: https://lore.kernel.org/r/20240603132057.255917-5-hdego...@redhat.com
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>

 drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

---

diff --git a/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c 
b/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c
index 2483eaeeac73..d789d38ef689 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c
@@ -106,6 +106,12 @@ static struct gmin_cfg_var lenovo_ideapad_miix_310_vars[] 
= {
        {}
 };
 
+static struct gmin_cfg_var xiaomi_mipad2_vars[] = {
+       /* _DSM contains the wrong CsiPort for the front facing OV5693 sensor */
+       { "INT33BE:00", "CsiPort", "0" },
+       {}
+};
+
 static const struct dmi_system_id gmin_cfg_dmi_overrides[] = {
        {
                /* Lenovo Ideapad Miix 310 */
@@ -115,6 +121,14 @@ static const struct dmi_system_id gmin_cfg_dmi_overrides[] 
= {
                },
                .driver_data = lenovo_ideapad_miix_310_vars,
        },
+       {
+               /* Xiaomi Mipad2 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Xiaomi Inc"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"),
+               },
+               .driver_data = xiaomi_mipad2_vars,
+       },
        {}
 };
 

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