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Put PFD reset in c_mclk_change case

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Ed
2024-01-19 16:14:50 +00:00
parent 27a7d185d1
commit a9ed38252c
1 changed files with 15 additions and 13 deletions
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26
lib_xua/src/core/buffer/ep/ep_buffer.xc
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@@ -483,15 +483,6 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
{
masterClockFreq = MCLK_441;
}
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC && XUA_USE_SW_PLL)
sw_pll_pfd_init(&sw_pll_pfd,
sof_rate_hz / controller_rate_hz, /* How often the PFD is invoked */
masterClockFreq / sof_rate_hz, /* pll ratio integer */
0, /* Assume precise timing of sampling */
2000);
restart_sigma_delta(c_sw_pll, masterClockFreq);
#endif /* (XUA_SYNCMODE == XUA_SYNCMODE_SYNC && XUA_USE_SW_PLL) */
}
#endif /* (MAX_FREQ != MIN_FREQ) */
/* Ideally we want to wait for handshake (and pass back up) here. But we cannot keep this
@@ -1035,17 +1026,28 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
case c_mclk_change :> u_tmp:
printstr("c_mclk_change\n");
unsigned selected_mclk_rate = u_tmp;
c_mclk_change :> u_tmp; /* Sample rate we discard */
c_mclk_change <: 0; /* ACK back to audio to release */
c_mclk_change :> u_tmp; /* Sample rate is discarded as only care about mclk */
#if (XUA_USE_SW_PLL)
sw_pll_pfd_init(&sw_pll_pfd,
sof_rate_hz / controller_rate_hz, /* How often the PFD is invoked */
selected_mclk_rate / sof_rate_hz, /* pll muliplication ratio integer */
0, /* Assume precise timing of sampling */
2000);
restart_sigma_delta(c_sw_pll, selected_mclk_rate);
/* Delay ACK until sw_pll says it is ready */
#else
c_mclk_change <: 0; /* ACK back to audio to release I2S immediately */
#endif /* XUA_USE_SW_PLL */
break;
#if (XUA_USE_SW_PLL)
/* This is fired when sw_pll has completed initialising a new mclk_rate */
case inuint_byref(c_sw_pll, u_tmp):
printstr("SWPLL synch\n");
c_mclk_change <: 0; /* ACK back to audio to release */
//TODO - hold off audio until we get this ACK
break;
#endif /* (XUA_USE_SW_PLL) */
#endif /* (XUA_SYNCMODE == XUA_SYNCMODE_SYNC) */