video: hda: move HDA switch declaration to header

- move tegra_hda_get_switch_name declaration to
  tegra_hdmi_audio header file

- implemented stub function incase DC is not
  enabled

 bug 200406253

Change-Id: Ie0d932f27941bf002b454b25b6033c506a032738
Signed-off-by: Dara Ramesh <dramesh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1767643
Reviewed-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/video/tegra_hdmi_audio.h b/include/video/tegra_hdmi_audio.h
index 5a64f8528..62a2c5a91 100644
--- a/include/video/tegra_hdmi_audio.h
+++ b/include/video/tegra_hdmi_audio.h
@@ -46,12 +46,16 @@ int tegra_hdmi_setup_audio_freq_source(unsigned audio_freq,
                                         unsigned audio_source,
                                         int sor_num);
 int tegra_hdmi_audio_null_sample_inject(bool on, int sor_num);
+
+/* switches are registered from display driver, get the names w.r.t dev ID */
+int tegra_hda_get_switch_name(int dev_id, char *name);
 #else
 static inline int tegra_hdmi_setup_hda_presence(int sor_num) { return -ENODEV; }
 static inline int tegra_hdmi_setup_audio_freq_source(unsigned audio_freq,
                                         unsigned audio_source,
                                         int sor_num) { return -ENODEV; }
 static inline int tegra_hdmi_audio_null_sample_inject(bool on, int sor_num) { return -ENODEV; }
+static inline int tegra_hda_get_switch_name(int dev_id, char *name) { return -ENODEV; }
 #endif