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Commit 67d392c0 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

ssb: make code for antenna gain extraction more generic 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b3bbf842

drivers/ssb/pci.c

+11 −9
Original line number Diff line number Diff line
@@ -326,13 +326,13 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) 
	return err;

}



static s8 r123_extract_antgain(u8 sprom_revision, const u16 *in,

static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset,

				u16 mask, u16 shift)

{

	u16 v;

	u8 gain;



	v = in[SPOFF(SSB_SPROM1_AGAIN)];

	v = in[SPOFF(offset)];

	gain = (v & mask) >> shift;

	if (gain == 0xFF)

		gain = 2; /* If unset use 2dBm */
@@ -416,10 +416,12 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) 
	SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0);



	/* Extract the antenna gain values. */

	out->antenna_gain.a0 = r123_extract_antgain(out->revision, in,

	out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,

						     SSB_SPROM1_AGAIN,

						     SSB_SPROM1_AGAIN_BG,

						     SSB_SPROM1_AGAIN_BG_SHIFT);

	out->antenna_gain.a1 = r123_extract_antgain(out->revision, in,

	out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,

						     SSB_SPROM1_AGAIN,

						     SSB_SPROM1_AGAIN_A,

						     SSB_SPROM1_AGAIN_A_SHIFT);

	if (out->revision >= 2)