V4L/DVB (9652): em28xx: merge AC97 vendor id's into a single var

This makes easier to identify vendor ID, since AC97 vendors are
generally identified by 3 bytes. The remaining byte is used by the
vendor to identify its devices.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 2f3257e..b0a2384 100644 (file)
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -424,6 +424,7 @@ EXPORT_SYMBOL_GPL(em28xx_audio_analog_set);
 int em28xx_audio_setup(struct em28xx *dev)
 {
        int vid1, vid2, feat, cfg;
+       u32 vid;
 
        if (dev->chip_id == CHIP_ID_EM2874) {
                /* Digital only device - don't load any alsa module */
@@ -475,9 +476,10 @@ int em28xx_audio_setup(struct em28xx *dev)
        if (vid2 < 0)
                goto init_audio;
 
-       dev->audio_mode.ac97_vendor_id1 = vid1;
-       dev->audio_mode.ac97_vendor_id2 = vid2;
-       em28xx_warn("AC97 vendor ID = %04x:%04x\n", vid1, vid2);
+       vid = vid1 << 16 | vid2;
+
+       dev->audio_mode.ac97_vendor_id = vid;
+       em28xx_warn("AC97 vendor ID = 0x%08x\n", vid);
 
        feat = em28xx_read_ac97(dev, AC97_RESET);
        if (feat < 0)
@@ -486,7 +488,8 @@ int em28xx_audio_setup(struct em28xx *dev)
        dev->audio_mode.ac97_feat = feat;
        em28xx_warn("AC97 features = 0x%04x\n", feat);
 
-       if ((vid1 == 0xffff) && (vid2 == 0xffff) && (feat == 0x6a90))
+       /* Try to identify what audio processor we have */
+       if ((vid == 0xffffffff) && (feat == 0x6a90))
                dev->audio_mode.ac97 = EM28XX_AC97_EM202;
 
 init_audio:

diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 3e8e13a..d965cab 100644 (file)
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -266,8 +266,7 @@ struct em28xx_audio_mode {
        enum em28xx_ac97_mode ac97;
 
        u16 ac97_feat;
-       u16 ac97_vendor_id1;
-       u16 ac97_vendor_id2;
+       u32 ac97_vendor_id;
 
        unsigned int has_audio:1;