viafb: cosmetic cleanup of function integrated_lvds_enable()
A humble attempt to simplify the coding style to improve readability Signed-off-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Joseph Chan <JosephChan@via.com.tw> Cc: Scott Fang <ScottFang@viatech.com.cn> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1134,45 +1134,33 @@ static void integrated_lvds_enable(struct lvds_setting_information
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*plvds_setting_info,
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*plvds_setting_info,
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struct lvds_chip_information *plvds_chip_info)
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struct lvds_chip_information *plvds_chip_info)
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{
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{
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bool turn_on_first_powersequence = false;
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bool turn_on_second_powersequence = false;
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DEBUG_MSG(KERN_INFO "integrated_lvds_enable, out_interface:%d\n",
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DEBUG_MSG(KERN_INFO "integrated_lvds_enable, out_interface:%d\n",
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plvds_chip_info->output_interface);
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plvds_chip_info->output_interface);
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if (plvds_setting_info->lcd_mode == LCD_SPWG)
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if (plvds_setting_info->lcd_mode == LCD_SPWG)
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viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT0 + BIT1);
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viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT0 + BIT1);
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else
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else
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viafb_write_reg_mask(CRD2, VIACR, 0x03, BIT0 + BIT1);
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viafb_write_reg_mask(CRD2, VIACR, 0x03, BIT0 + BIT1);
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if (INTERFACE_LVDS0LVDS1 == plvds_chip_info->output_interface)
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turn_on_first_powersequence = true;
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if (INTERFACE_LVDS0 == plvds_chip_info->output_interface)
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turn_on_first_powersequence = true;
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if (INTERFACE_LVDS1 == plvds_chip_info->output_interface)
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turn_on_second_powersequence = true;
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if (turn_on_second_powersequence) {
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switch (plvds_chip_info->output_interface) {
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/* Use second power sequence control: */
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case INTERFACE_LVDS0LVDS1:
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case INTERFACE_LVDS0:
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/* Use hardware control power sequence. */
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viafb_write_reg_mask(CRD3, VIACR, 0, BIT0);
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/* Turn on back light. */
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viafb_write_reg_mask(CRD3, VIACR, 0, BIT6 + BIT7);
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/* Turn on hardware power sequence. */
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viafb_write_reg_mask(CRD4, VIACR, 0x02, BIT1);
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}
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if (turn_on_first_powersequence) {
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/* Use first power sequence control: */
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/* Use first power sequence control: */
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/* Use hardware control power sequence. */
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/* Use hardware control power sequence. */
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viafb_write_reg_mask(CR91, VIACR, 0, BIT0);
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viafb_write_reg_mask(CR91, VIACR, 0, BIT0);
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/* Turn on back light. */
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/* Turn on back light. */
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viafb_write_reg_mask(CR91, VIACR, 0, BIT6 + BIT7);
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viafb_write_reg_mask(CR91, VIACR, 0, BIT6 + BIT7);
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/* Turn on hardware power sequence. */
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/* Turn on hardware power sequence. */
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viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
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viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
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break;
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case INTERFACE_LVDS1:
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/* Use second power sequence control: */
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/* Use hardware control power sequence. */
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viafb_write_reg_mask(CRD3, VIACR, 0, BIT0);
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/* Turn on back light. */
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viafb_write_reg_mask(CRD3, VIACR, 0, BIT6 + BIT7);
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/* Turn on hardware power sequence. */
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viafb_write_reg_mask(CRD4, VIACR, 0x02, BIT1);
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break;
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}
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}
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/* Turn DFP High/Low pad on. */
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/* Turn DFP High/Low pad on. */
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