At Wed, 3 Dec 2014 00:12:55 +0100, Rickard Strandqvist wrote:
Remove function snd_cmipci_pll_rmn() that is not used anywhere.
It's an experimental code that is currently disabled. Keeping such a code would be still meaningful if anyone wants to start a similar experiment again.
Takashi
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist rickard_strandqvist@spectrumdigital.se
sound/pci/cmipci.c | 41 ----------------------------------------- 1 file changed, 41 deletions(-)
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 85ed403..e33edae 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -615,47 +615,6 @@ static unsigned int snd_cmipci_rate_freq(unsigned int rate)
#ifdef USE_VAR48KRATE /*
- Determine PLL values for frequency setup, maybe the CMI8338 (CMI8738???)
- does it this way .. maybe not. Never get any information from C-Media about
- that werner@suse.de.
- */
-static int snd_cmipci_pll_rmn(unsigned int rate, unsigned int adcmult, int *r, int *m, int *n) -{
- unsigned int delta, tolerance;
- int xm, xn, xr;
- for (*r = 0; rate < CM_MAXIMUM_RATE/adcmult; *r += (1<<5))
rate <<= 1;- *n = -1;
- if (*r > 0xff)
goto out;- tolerance = rate*CM_TOLERANCE_RATE;
- for (xn = (1+2); xn < (0x1f+2); xn++) {
for (xm = (1+2); xm < (0xff+2); xm++) {xr = ((CM_REFFREQ_XIN/adcmult) * xm) / xn;if (xr < rate)delta = rate - xr;elsedelta = xr - rate;/** If we found one, remember this,* and try to find a closer one*/if (delta < tolerance) {tolerance = delta;*m = xm - 2;*n = xn - 2;}}- }
-out:
- return (*n > -1);
-}
-/*
- Program pll register bits, I assume that the 8 registers 0xf8 up to 0xff
- are mapped onto the 8 ADC/DAC sampling frequency which can be chosen
- at the register CM_REG_FUNCTRL1 (0x04).
-- 1.7.10.4