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drm/i915/dsi: Add DCS control for Panel PWM

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If the source of the backlight PWM is from the
panel then the PWM can be controlled by DCS
command, this patch adds the support to
enable/disbale panel PWM, control backlight level
etc...

v2: Moving the CABC bkl functions to new file.(Jani)

v3: Rebase

v4: Rebase

v5: Use mipi_dsi_dcs_write() instead of mipi_dsi_dcs_write_buffer() (Jani)
    Move DCS macro`s to include/video/mipi_display.h (Jani)

v6: Rename the file to intel_dsi_panel_pwm.c
    Removing the CABC operations

v7 by Jani: renames, rebases, etc.

v8 by Jani: s/INTEL_BACKLIGHT_CABC/INTEL_BACKLIGHT_DSI_DCS/

v9 by Jani: rename init function to intel_dsi_dcs_init_backlight_funcs

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Yetunde Adebisi <yetundex.adebisi@intel.com>
Signed-off-by: Deepak M <m.deepak@intel.com>
Reviewed-by: Yetunde Adebisi <yetundex.adebisi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/71238a4b14b8c3a6c04070c789f09f1b4bc00a15.1461676337.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2016-04-26 16:14:25 +03:00
parent 9a652cc01e
commit 90198355b8
6 changed files with 184 additions and 2 deletions
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drivers/gpu/drm/i915/Makefile
+1
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@@ -87,6 +87,7 @@ i915-y += dvo_ch7017.o \
intel_dp_mst.o \
intel_dp.o \
intel_dsi.o \
intel_dsi_dcs_backlight.o \
intel_dsi_panel_vbt.o \
intel_dsi_pll.o \
intel_dvo.o \