debian/patches/0001-audio.h-handling-the-float-based-function-calls-with.patch

   1 From: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
   2 Subject: audio.h: handling the float based function calls with aapcs
   3
   4 Patch by David Henningsson <david.henningsson@canonical.com>
   5
   6 Origin: vendor
   7 Forwarded: no
   8
   9 diff --git a/hardware/audio.h b/hardware/audio.h
  10 index b1de42c..7a82d40 100644
  11 --- a/hardware/audio.h
  12 +++ b/hardware/audio.h
  13 @@ -29,6 +29,12 @@
  14  #include <system/audio.h>
  15  #include <hardware/audio_effect.h>
  16
  17 +#ifdef __ARM_PCS_VFP
  18 +#define FP_ATTRIB __attribute__((pcs("aapcs")))
  19 +#else
  20 +#define FP_ATTRIB
  21 +#endif
  22 +
  23  __BEGIN_DECLS
  24
  25  /**
  26 @@ -235,7 +241,7 @@ struct audio_stream_out {
  27       * This method might produce multiple PCM outputs or hardware accelerated
  28       * codecs, such as MP3 or AAC.
  29       */
  30 -    int (*set_volume)(struct audio_stream_out *stream, float left, float right);
  31 +    int (*set_volume)(struct audio_stream_out *stream, float left, float right) FP_ATTRIB;
  32
  33      /**
  34       * Write audio buffer to driver. Returns number of bytes written, or a
  35 @@ -267,7 +273,7 @@ struct audio_stream_in {
  36
  37      /** set the input gain for the audio driver. This method is for
  38       *  for future use */
  39 -    int (*set_gain)(struct audio_stream_in *stream, float gain);
  40 +    int (*set_gain)(struct audio_stream_in *stream, float gain) FP_ATTRIB;
  41
  42      /** Read audio buffer in from audio driver. Returns number of bytes read, or a
  43       *  negative status_t. If at least one frame was read prior to the error,
  44 @@ -346,14 +352,14 @@ struct audio_hw_device {
  45      int (*init_check)(const struct audio_hw_device *dev);
  46
  47      /** set the audio volume of a voice call. Range is between 0.0 and 1.0 */
  48 -    int (*set_voice_volume)(struct audio_hw_device *dev, float volume);
  49 +    int (*set_voice_volume)(struct audio_hw_device *dev, float volume) FP_ATTRIB;
  50
  51      /**
  52       * set the audio volume for all audio activities other than voice call.
  53       * Range between 0.0 and 1.0. If any value other than 0 is returned,
  54       * the software mixer will emulate this capability.
  55       */
  56 -    int (*set_master_volume)(struct audio_hw_device *dev, float volume);
  57 +    int (*set_master_volume)(struct audio_hw_device *dev, float volume) FP_ATTRIB;
  58
  59      /**
  60       * Get the current master volume value for the HAL, if the HAL supports
  61 @@ -362,7 +368,7 @@ struct audio_hw_device {
  62       * the initial master volume across all HALs.  HALs which do not support
  63       * this method may leave it set to NULL.
  64       */
  65 -    int (*get_master_volume)(struct audio_hw_device *dev, float *volume);
  66 +    int (*get_master_volume)(struct audio_hw_device *dev, float *volume) FP_ATTRIB;
  67
  68      /**
  69       * set_mode is called when the audio mode changes. AUDIO_MODE_NORMAL mode
  70 --
  71 1.8.3.2
  72