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Subject: media: dvb-usb: pctv452e: use an enum for the device number
Author:  Mauro Carvalho Chehab <[email protected]>
Date:    Mon Mar 28 22:41:30 2022 +0200

The device number is currently a value that needs to be the same
on two separate tables, but the code doesn't actually enforce it,
leading to errors as boards get added or removed.

Fix it by using an enum.

Link: 
https://lore.kernel.org/linux-media/283a8c6bdf9778f832b4f6acc104c06688281668.1648499509.git.mche...@kernel.org
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/usb/dvb-usb/pctv452e.c | 22 ++++++++++++++--------
 include/media/dvb-usb-ids.h          |  2 +-
 2 files changed, 15 insertions(+), 9 deletions(-)

---

diff --git a/drivers/media/usb/dvb-usb/pctv452e.c 
b/drivers/media/usb/dvb-usb/pctv452e.c
index 9b78b40abc6d..f0794c68c622 100644
--- a/drivers/media/usb/dvb-usb/pctv452e.c
+++ b/drivers/media/usb/dvb-usb/pctv452e.c
@@ -951,13 +951,19 @@ static int pctv452e_tuner_attach(struct dvb_usb_adapter 
*a)
        return 0;
 }
 
+enum {
+       PINNACLE_PCTV_452E,
+       TECHNOTREND_CONNECT_S2_3600,
+       TECHNOTREND_CONNECT_S2_3650_CI,
+};
+
 static struct usb_device_id pctv452e_usb_table[] = {
-       {USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_452E)},
-       {USB_DEVICE(USB_VID_TECHNOTREND, USB_PID_TECHNOTREND_CONNECT_S2_3600)},
-       {USB_DEVICE(USB_VID_TECHNOTREND,
-                               USB_PID_TECHNOTREND_CONNECT_S2_3650_CI)},
-       {}
+       DVB_USB_DEV(PINNACLE, PINNACLE_PCTV_452E),
+       DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_S2_3600),
+       DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_S2_3650_CI),
+       { }
 };
+
 MODULE_DEVICE_TABLE(usb, pctv452e_usb_table);
 
 static struct dvb_usb_device_properties pctv452e_properties = {
@@ -1006,7 +1012,7 @@ static struct dvb_usb_device_properties 
pctv452e_properties = {
        .devices = {
                { .name = "PCTV HDTV USB",
                  .cold_ids = { NULL, NULL }, /* this is a warm only device */
-                 .warm_ids = { &pctv452e_usb_table[0], NULL }
+                 .warm_ids = { &pctv452e_usb_table[PINNACLE_PCTV_452E], NULL }
                },
                { NULL },
        }
@@ -1060,11 +1066,11 @@ static struct dvb_usb_device_properties 
tt_connect_s2_3600_properties = {
        .devices = {
                { .name = "Technotrend TT Connect S2-3600",
                  .cold_ids = { NULL, NULL }, /* this is a warm only device */
-                 .warm_ids = { &pctv452e_usb_table[1], NULL }
+                 .warm_ids = { 
&pctv452e_usb_table[TECHNOTREND_CONNECT_S2_3600], NULL }
                },
                { .name = "Technotrend TT Connect S2-3650-CI",
                  .cold_ids = { NULL, NULL },
-                 .warm_ids = { &pctv452e_usb_table[2], NULL }
+                 .warm_ids = { 
&pctv452e_usb_table[TECHNOTREND_CONNECT_S2_3650_CI], NULL }
                },
                { NULL },
        }
diff --git a/include/media/dvb-usb-ids.h b/include/media/dvb-usb-ids.h
index 6aa15988b577..ed6e37f23cbc 100644
--- a/include/media/dvb-usb-ids.h
+++ b/include/media/dvb-usb-ids.h
@@ -314,7 +314,6 @@
 #define USB_PID_PCTV_200E                              0x020e
 #define USB_PID_PCTV_400E                              0x020f
 #define USB_PID_PCTV_450E                              0x0222
-#define USB_PID_PCTV_452E                              0x021f
 #define USB_PID_PCTV_78E                               0x025a
 #define USB_PID_PCTV_79E                               0x0262
 #define USB_PID_PINNACLE_EXPRESSCARD_320CX             0x022e
@@ -330,6 +329,7 @@
 #define USB_PID_PINNACLE_PCTV74E                       0x0246
 #define USB_PID_PINNACLE_PCTV801E                      0x023a
 #define USB_PID_PINNACLE_PCTV801E_SE                   0x023b
+#define USB_PID_PINNACLE_PCTV_452E                     0x021f
 #define USB_PID_PINNACLE_PCTV_DUAL_DIVERSITY_DVB_T     0x0229
 #define USB_PID_PINNACLE_PCTV_DVB_T_FLASH              0x0228
 #define USB_PID_PIXELVIEW_SBTVD                        0x5010

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