media: em28xx: check if a device has audio earlier"

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / media / usb / em28xx / em28xx-core.c

diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 898fb9b..97fd881 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -506,8 +506,18 @@ int em28xx_audio_setup(struct em28xx *dev)
        int vid1, vid2, feat, cfg;
        u32 vid;
 
-       if (!dev->audio_mode.has_audio)
+       if (dev->chip_id == CHIP_ID_EM2870 ||
+           dev->chip_id == CHIP_ID_EM2874 ||
+           dev->chip_id == CHIP_ID_EM28174 ||
+           dev->chip_id == CHIP_ID_EM28178) {
+               /* Digital only device - don't load any alsa module */
+               dev->audio_mode.has_audio = false;
+               dev->has_audio_class = false;
+               dev->has_alsa_audio = false;
                return 0;
+       }
+
+       dev->audio_mode.has_audio = true;
 
        /* See how this device is configured */
        cfg = em28xx_read_reg(dev, EM28XX_R00_CHIPCFG);