diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2014-01-25 18:14:36 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-02-02 16:46:08 +0000 |
| commit | 3ae471f73a1d581e078b5b06d08d7b82833a093f (patch) | |
| tree | e006d2e7f4356a826cfe81d6a2e879e9082dc33d /drivers/gpu/drm/i2c | |
| parent | 2eb4c7b1e7f275fe833aabe0a251b8e3f767fb08 (diff) | |
| download | talos-op-linux-3ae471f73a1d581e078b5b06d08d7b82833a093f.tar.gz talos-op-linux-3ae471f73a1d581e078b5b06d08d7b82833a093f.zip | |
drm/i2c: tda998x: set the PLL division factor in range 0..3
The predivider division factor of the register PLL_SERIAL_2 is in the
range 0..3, the value 0 being used for a division by 1.
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/i2c')
| -rw-r--r-- | drivers/gpu/drm/i2c/tda998x_drv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index e871a4246379..a65250b62f33 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -208,7 +208,7 @@ struct tda998x_priv { # define PLL_SERIAL_1_SRL_IZ(x) (((x) & 3) << 1) # define PLL_SERIAL_1_SRL_MAN_IZ (1 << 6) #define REG_PLL_SERIAL_2 REG(0x02, 0x01) /* read/write */ -# define PLL_SERIAL_2_SRL_NOSC(x) (((x) & 3) << 0) +# define PLL_SERIAL_2_SRL_NOSC(x) ((x) << 0) # define PLL_SERIAL_2_SRL_PR(x) (((x) & 0xf) << 4) #define REG_PLL_SERIAL_3 REG(0x02, 0x02) /* read/write */ # define PLL_SERIAL_3_SRL_CCIR (1 << 0) @@ -824,6 +824,11 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder, } div = 148500 / mode->clock; + if (div != 0) { + div--; + if (div > 3) + div = 3; + } /* mute the audio FIFO: */ reg_set(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); |
