V4L/DVB (9921): em28xx: add chip id for em2874

Add the em2870 to the list of known em28xx chip ids.

Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index fecfe170b36e..4b78a03528f5 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1409,6 +1409,10 @@ void em28xx_pre_card_setup(struct em28xx *dev)
                 case CHIP_ID_EM2860:
                         em28xx_info("chip ID is em2860\n");
                         break;
+                case CHIP_ID_EM2870:
+                        em28xx_info("chip ID is em2870\n");
+                        dev->wait_after_write = 0;
+                        break;
                 case CHIP_ID_EM2874:
                         em28xx_info("chip ID is em2874\n");
                         dev->reg_gpio_num = EM2874_R80_GPIO;
diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h
index 45d588c3a6c5..a459b7c6a6c9 100644
--- a/drivers/media/video/em28xx/em28xx-reg.h
+++ b/drivers/media/video/em28xx/em28xx-reg.h
@@ -151,6 +151,7 @@ enum em28xx_chip_id {
         CHIP_ID_EM2840 = 20,
         CHIP_ID_EM2750 = 33,
         CHIP_ID_EM2860 = 34,
+        CHIP_ID_EM2870 = 35,
         CHIP_ID_EM2883 = 36,
         CHIP_ID_EM2874 = 65,
 };