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drm/tinydrm/mipi-dbi: Add poweron-reset functions

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Split out common poweron-reset functionality.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: David Lechner <david@lechnology.com>
Tested-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-5-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes
2018-01-10 19:59:37 +01:00
parent 22edc8d38b
commit 070ab1283a
5 changed files with 83 additions and 32 deletions
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include/drm/tinydrm/mipi-dbi.h
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@@ -73,6 +73,8 @@ void mipi_dbi_pipe_enable(struct drm_simple_display_pipe *pipe,
void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe);
void mipi_dbi_hw_reset(struct mipi_dbi *mipi);
bool mipi_dbi_display_is_on(struct mipi_dbi *mipi);
int mipi_dbi_poweron_reset(struct mipi_dbi *mipi);
int mipi_dbi_poweron_conditional_reset(struct mipi_dbi *mipi);
u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len);
int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val);