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authorJyri Sarha <jsarha@ti.com>2014-11-04 18:58:27 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-11-26 10:41:07 +0200
commit086f8281ca91436da0b4d6738fdde173a89f65a7 (patch)
tree65f2f32913d63145bd948f10ca68642b6adb6111 /drivers/video
parentdafea8fb584132837b56fb343e444ab65e2905c4 (diff)
OMAPDSS: hdmi_wp: Protect reserved bits in hdmi_wp_audio_config_format()
Only OMAP4 DSS has non reserved bits above 6th bit in HDMI_WP_AUDIO_CFG. Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/omap2/dss/hdmi_wp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/video/fbdev/omap2/dss/hdmi_wp.c b/drivers/video/fbdev/omap2/dss/hdmi_wp.c
index 496327e2b21b..71b499ec33f6 100644
--- a/drivers/video/fbdev/omap2/dss/hdmi_wp.c
+++ b/drivers/video/fbdev/omap2/dss/hdmi_wp.c
@@ -194,8 +194,12 @@ void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp,
DSSDBG("Enter hdmi_wp_audio_config_format\n");
r = hdmi_read_reg(wp->base, HDMI_WP_AUDIO_CFG);
- r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24);
- r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16);
+ if (omapdss_get_version() == OMAPDSS_VER_OMAP4430_ES1 ||
+ omapdss_get_version() == OMAPDSS_VER_OMAP4430_ES2 ||
+ omapdss_get_version() == OMAPDSS_VER_OMAP4) {
+ r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24);
+ r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16);
+ }
r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5);
r = FLD_MOD(r, aud_fmt->type, 4, 4);
r = FLD_MOD(r, aud_fmt->justification, 3, 3);