diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-06-23 13:40:32 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-12-07 15:56:17 +0100 |
| commit | 4e1e8d240dff96bd8dd2c00c5fcd7f04088ace3c (patch) | |
| tree | b5738c25e951292d6dd82a158af6d0ef54f73a88 /drivers/media/i2c/ccs-pll.c | |
| parent | ae502e08f45e47460406ab5c5fd2167a1011499a (diff) | |
| download | linux-stable-4e1e8d240dff96bd8dd2c00c5fcd7f04088ace3c.tar.gz linux-stable-4e1e8d240dff96bd8dd2c00c5fcd7f04088ace3c.tar.bz2 linux-stable-4e1e8d240dff96bd8dd2c00c5fcd7f04088ace3c.zip | |
media: ccs-pll: Add support for extended input PLL clock divider
CCS allows odd PLL dividers other than 1, granted that the corresponding
capability bit is set. Support this both in the PLL calculator and the CCS
driver.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c/ccs-pll.c')
| -rw-r--r-- | drivers/media/i2c/ccs-pll.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/i2c/ccs-pll.c b/drivers/media/i2c/ccs-pll.c index cb19a36e54df..62939ca5b8e2 100644 --- a/drivers/media/i2c/ccs-pll.c +++ b/drivers/media/i2c/ccs-pll.c @@ -478,7 +478,9 @@ int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *lim, for (op_pll_fr->pre_pll_clk_div = min_op_pre_pll_clk_div; op_pll_fr->pre_pll_clk_div <= max_op_pre_pll_clk_div; - op_pll_fr->pre_pll_clk_div += 2 - (op_pll_fr->pre_pll_clk_div & 1)) { + op_pll_fr->pre_pll_clk_div += + (pll->flags & CCS_PLL_FLAG_EXT_IP_PLL_DIVIDER) ? 1 : + 2 - (op_pll_fr->pre_pll_clk_div & 1)) { rval = __ccs_pll_calculate(dev, lim, op_lim_fr, op_lim_bk, pll, op_pll_fr, op_pll_bk, mul, div); if (rval) |